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-rw-r--r--ChangeLog45
-rw-r--r--linuxthreads/ChangeLog7
-rw-r--r--linuxthreads/internals.h6
-rw-r--r--linuxthreads/spinlock.c4
-rw-r--r--linuxthreads/sysdeps/alpha/pt-machine.h4
-rw-r--r--linuxthreads/sysdeps/sparc/sparc64/pt-machine.h5
-rw-r--r--posix/Makefile13
-rw-r--r--posix/Versions12
-rw-r--r--posix/spawn.c31
-rw-r--r--posix/spawn.h156
-rw-r--r--posix/spawn_faction_addclose.c50
-rw-r--r--posix/spawn_faction_adddup2.c51
-rw-r--r--posix/spawn_faction_addopen.c54
-rw-r--r--posix/spawn_faction_destroy.c29
-rw-r--r--posix/spawn_faction_init.c53
-rw-r--r--posix/spawn_int.h38
-rw-r--r--posix/spawnattr_destroy.c27
-rw-r--r--posix/spawnattr_getdefault.c32
-rw-r--r--posix/spawnattr_getflags.c30
-rw-r--r--posix/spawnattr_getpgroup.c30
-rw-r--r--posix/spawnattr_getschedparam.c31
-rw-r--r--posix/spawnattr_getschedpolicy.c31
-rw-r--r--posix/spawnattr_getsigmask.c31
-rw-r--r--posix/spawnattr_init.c31
-rw-r--r--posix/spawnattr_setdefault.c31
-rw-r--r--posix/spawnattr_setflags.c30
-rw-r--r--posix/spawnattr_setpgroup.c30
-rw-r--r--posix/spawnattr_setschedparam.c31
-rw-r--r--posix/spawnattr_setschedpolicy.c34
-rw-r--r--posix/spawnattr_setsigmask.c31
-rw-r--r--posix/spawni.c275
-rw-r--r--posix/spawnp.c31
32 files changed, 1286 insertions, 8 deletions
diff --git a/ChangeLog b/ChangeLog
index d54a90e49a..02eff57bdf 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,48 @@
+2000-04-15  Ulrich Drepper  <drepper@redhat.com>
+
+	* posix/Makefile (headers): Add spawn.h.
+	(distribute): Add spawn_int.h.
+	(routines): Add spawn_faction_init, spawn_faction_destroy,
+	spawn_faction_addclose, spawn_faction_addopen, spawn_faction_adddup2,
+	spawnattr_init, spawnattr_destroy, spawnattr_getdefault,
+	spawnattr_setdefault, spawnattr_getflags, spawnattr_setflags,
+	spawnattr_getpgroup, spawnattr_setpgroup, spawn, spawnp, and spawni.
+	* posix/Versions [libc] (GLIBC_2.2): Add posix_spawn_file_actions_init,
+	posix_spawn_file_actions_destroy, posix_spawn_file_actions_addclose,
+	posix_spawn_file_actions_addopen, posix_spawn_file_actions_adddup2,
+	posix_spawnattr_init, posix_spawnattr_destroy,
+	posix_spawnattr_getdefault, posix_spawnattr_setdefault,
+	posix_spawnattr_getflags, posix_spawnattr_setflags,
+	posix_spawnattr_getpgroup, posix_spawnattr_setpgroup, posix_spawn,
+	and posix_spawnp.
+	* posix/spawn.c: New file.
+	* posix/spawn.h: New file.
+	* posix/spawn_faction_addclose.c: New file.
+	* posix/spawn_faction_adddup2.c: New file.
+	* posix/spawn_faction_addopen.c: New file.
+	* posix/spawn_faction_destroy.c: New file.
+	* posix/spawn_faction_init.c: New file.
+	* posix/spawn_int.h: New file.
+	* posix/spawnattr_destroy.c: New file.
+	* posix/spawnattr_getdefault.c: New file.
+	* posix/spawnattr_getflags.c: New file.
+	* posix/spawnattr_getpgroup.c: New file.
+	* posix/spawnattr_getschedparam.c: New file.
+	* posix/spawnattr_getschedpolicy.c: New file.
+	* posix/spawnattr_getsigmask.c: New file.
+	* posix/spawnattr_init.c: New file.
+	* posix/spawnattr_setdefault.c: New file.
+	* posix/spawnattr_setflags.c: New file.
+	* posix/spawnattr_setpgroup.c: New file.
+	* posix/spawnattr_setschedparam.c: New file.
+	* posix/spawnattr_setschedpolicy.c: New file.
+	* posix/spawnattr_setsigmask.c: New file.
+	* posix/spawni.c: New file.
+	* posix/spawnp.c: New file.
+
+	* sysdeps/mach/hurd/bits/posix_opt.h: Add _POSIX_SPAWN.
+	* sysdeps/unix/sysv/linux/bits/posix_opt.h: Likewise.
+
 2000-04-14  Ulrich Drepper  <drepper@redhat.com>
 
 	* malloc/Versions [libc] (GLIBC_2.2): Add posix_memalign.
diff --git a/linuxthreads/ChangeLog b/linuxthreads/ChangeLog
index 8bdc6094a0..50fa766fc6 100644
--- a/linuxthreads/ChangeLog
+++ b/linuxthreads/ChangeLog
@@ -1,5 +1,12 @@
 2000-04-15  Ulrich Drepper  <drepper@redhat.com>
 
+	* internals.h (WRITE_MEMORY_BARRIER): Define as MEMORY_BARRIER if
+	undefined.
+	* spinlock.c: Use WRITE_MEMORY_BARRIER instead of MEMORY_BARRIER
+	where possible.
+	* sysdeps/alpha/pt-machine.h: Define WRITE_MEMORY_BARRIER.
+	* sysdeps/sparc/sparc64/pt-machine.h: Likewise.
+
 	* sysdeps/unix/sysv/linux/bits/posix_opt.h: Add _POSIX_SPAWN.
 	* sysdeps/unix/sysv/linux/i386/bits/posix_opt.h: Likewise.
 
diff --git a/linuxthreads/internals.h b/linuxthreads/internals.h
index 6b115beaa2..17c8e4d4d6 100644
--- a/linuxthreads/internals.h
+++ b/linuxthreads/internals.h
@@ -358,11 +358,15 @@ static inline pthread_descr thread_self (void)
 }
 
 /* If MEMORY_BARRIER isn't defined in pt-machine.h, assume the architecture
-   doesn't need a memory barrier instruction (e.g. Intel x86) */
+   doesn't need a memory barrier instruction (e.g. Intel x86).  Some
+   architectures distinguish between normal/read and write barriers.  */
 
 #ifndef MEMORY_BARRIER
 #define MEMORY_BARRIER()
 #endif
+#ifndef WRITE_MEMORY_BARRIER
+#define WRITE_MEMORY_BARRIER() MEMORY_BARRIER()
+#endif
 
 /* Max number of times we must spin on a spinlock calling sched_yield().
    After MAX_SPIN_COUNT iterations, we put the calling thread to sleep. */
diff --git a/linuxthreads/spinlock.c b/linuxthreads/spinlock.c
index 6e7eb12e57..ac94001bda 100644
--- a/linuxthreads/spinlock.c
+++ b/linuxthreads/spinlock.c
@@ -56,7 +56,7 @@ void internal_function __pthread_lock(pthread_spinlock_t * lock,
       THREAD_SETMEM(self, p_nextlock, (pthread_descr) oldstatus);
       /* Make sure the store in p_nextlock completes before performing
          the compare-and-swap */
-      MEMORY_BARRIER();
+      WRITE_MEMORY_BARRIER();
     }
   } while(! compare_and_swap(&lock->__status, oldstatus, newstatus,
                              &lock->__spinlock));
@@ -198,7 +198,7 @@ int __pthread_compare_and_swap(long * ptr, long oldval, long newval,
     res = 0;
   }
   /* Prevent reordering of store to *ptr above and store to *spinlock below */
-  MEMORY_BARRIER();
+  WRITE_MEMORY_BARRIER();
   *spinlock = 0;
   return res;
 }
diff --git a/linuxthreads/sysdeps/alpha/pt-machine.h b/linuxthreads/sysdeps/alpha/pt-machine.h
index 25ba634528..99c9bb6b28 100644
--- a/linuxthreads/sysdeps/alpha/pt-machine.h
+++ b/linuxthreads/sysdeps/alpha/pt-machine.h
@@ -1,6 +1,6 @@
 /* Machine-dependent pthreads configuration and inline functions.
    Alpha version.
-   Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
+   Copyright (C) 1996, 1997, 1998, 2000 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Richard Henderson <rth@tamu.edu>.
 
@@ -34,6 +34,8 @@ register char *stack_pointer __asm__("$30");
 
 /* Memory barrier; default is to do nothing */
 #define MEMORY_BARRIER() __asm__ __volatile__("mb" : : : "memory")
+/* Write barrier.  */
+#define WRITE_MEMORY_BARRIER() __asm__ __volatile__("wmb" : : : "memory")
 
 
 /* Spinlock implementation; required.  */
diff --git a/linuxthreads/sysdeps/sparc/sparc64/pt-machine.h b/linuxthreads/sysdeps/sparc/sparc64/pt-machine.h
index 02167bd601..e22f4fed3c 100644
--- a/linuxthreads/sysdeps/sparc/sparc64/pt-machine.h
+++ b/linuxthreads/sysdeps/sparc/sparc64/pt-machine.h
@@ -1,6 +1,6 @@
 /* Machine-dependent pthreads configuration and inline functions.
    Sparc v9 version.
-   Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
+   Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Richard Henderson <rth@tamu.edu>.
 
@@ -41,6 +41,9 @@ testandset (int *spinlock)
 /* FIXME: is stbar OK, or should we use the more general membar instruction?
    If so, which mode to pass to membar? */
 #define MEMORY_BARRIER() __asm__ __volatile__("stbar" : : : "memory")
+/* Write barrier.  */
+#define WRITE_MEMORY_BARRIER() \
+     __asm__ __volatile__("membar #StoreLoad | #StoreStore" : : : "memory")
 
 
 /* Get some notion of the current stack.  Need not be exactly the top
diff --git a/posix/Makefile b/posix/Makefile
index 566c558af3..c988027e1f 100644
--- a/posix/Makefile
+++ b/posix/Makefile
@@ -27,11 +27,12 @@ headers	:= sys/utsname.h sys/times.h sys/wait.h sys/types.h unistd.h	      \
 	   bits/local_lim.h tar.h bits/utsname.h bits/confname.h	      \
 	   bits/waitflags.h bits/waitstatus.h sys/unistd.h sched.h	      \
 	   bits/sched.h re_comp.h wait.h bits/environments.h cpio.h	      \
-	   sys/sysmacros.h
+	   sys/sysmacros.h spawn.h
 
 distribute := confstr.h TESTS TESTS2C.sed testcases.h \
 	      PTESTS PTESTS2C.sed ptestcases.h \
-	      globtest.c globtest.sh wordexp-tst.sh annexc.c fnmatch_loop.c
+	      globtest.c globtest.sh wordexp-tst.sh annexc.c fnmatch_loop.c   \
+	      spawn_int.h
 
 routines :=								      \
 	uname								      \
@@ -51,7 +52,13 @@ routines :=								      \
 	sched_setp sched_getp sched_sets sched_gets sched_yield sched_primax  \
 	sched_primin sched_rr_gi					      \
 	getaddrinfo gai_strerror wordexp				      \
-	pread pwrite pread64 pwrite64
+	pread pwrite pread64 pwrite64					      \
+	spawn_faction_init spawn_faction_destroy spawn_faction_addclose	      \
+	spawn_faction_addopen spawn_faction_adddup2			      \
+	spawnattr_init spawnattr_destroy				      \
+	spawnattr_getdefault spawnattr_setdefault			      \
+	spawnattr_getflags spawnattr_setflags				      \
+	spawnattr_getpgroup spawnattr_setpgroup spawn spawnp spawni
 
 include ../Makeconfig
 
diff --git a/posix/Versions b/posix/Versions
index da7c479ffb..92c51b5e33 100644
--- a/posix/Versions
+++ b/posix/Versions
@@ -92,4 +92,16 @@ libc {
     # For the cancelation wrappers.
     __libc_pread; __libc_pread64; __libc_pwrite; __libc_pwrite64;
   }
+  GLIBC_2.2 {
+    # p*
+    posix_spawn_file_actions_init; posix_spawn_file_actions_destroy;
+    posix_spawn_file_actions_addclose; posix_spawn_file_actions_addopen;
+    posix_spawn_file_actions_adddup2;
+    posix_spawnattr_init; posix_spawnattr_destroy;
+    posix_spawnattr_getdefault; posix_spawnattr_setdefault;
+    posix_spawnattr_getflags; posix_spawnattr_setflags;
+    posix_spawnattr_getpgroup; posix_spawnattr_setpgroup;
+    posix_spawnattr_setsigmask; posix_spawnattr_getsigmask;
+    posix_spawn; posix_spawnp;
+  }
 }
diff --git a/posix/spawn.c b/posix/spawn.c
new file mode 100644
index 0000000000..93258c5624
--- /dev/null
+++ b/posix/spawn.c
@@ -0,0 +1,31 @@
+/* Copyright (C) 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <spawn.h>
+#include "spawn_int.h"
+
+/* Spawn a new process executing PATH with the attributes describes in *ATTRP.
+   Before running the process perform the actions described in FILE-ACTIONS. */
+int
+posix_spawn (pid_t *pid, const char *path,
+	     const posix_spawn_file_actions_t *file_actions,
+	     const posix_spawnattr_t *attrp, char *const argv[],
+	     char *const envp[])
+{
+  return __spawni (pid, path, file_actions, attrp, argv, envp, 0);
+}
diff --git a/posix/spawn.h b/posix/spawn.h
new file mode 100644
index 0000000000..ea6dbf2772
--- /dev/null
+++ b/posix/spawn.h
@@ -0,0 +1,156 @@
+/* Definitions for POSIX spawn interface.
+   Copyright (C) 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef	_SPAWN_H
+#define	_SPAWN_H	1
+
+#include <features.h>
+#include <sched.h>
+#include <signal.h>
+#include <sys/types.h>
+
+
+/* Data structure to contain attributes for thread creation.  */
+typedef struct
+{
+  short int __flags;
+  pid_t __pgrp;
+  sigset_t __sd;
+  sigset_t __ss;
+  struct sched_param __sp;
+  int __policy;
+  int __pad[16];
+} posix_spawnattr_t;
+
+
+/* Data structure to contain information about the actions to be
+   performed in the new process with respect to file descriptors.  */
+typedef struct
+{
+  int __allocated;
+  int __used;
+  struct __spawn_action *__actions;
+  int __pad[16];
+} posix_spawn_file_actions_t;
+
+
+/* Flags to be set in the `posix_spawnattr_t'.  */
+#define POSIX_SPAWN_RESETIDS		0x01
+#define POSIX_SPAWN_SETPGROUP		0x02
+#define POSIX_SPAWN_SETSIGDEF		0x04
+#define POSIX_SPAWN_SETSIGMASK		0x08
+#define POSIX_SPAWN_SETSCHEDPARAM	0x10
+#define POSIX_SPAWN_SETSCHEDULER	0x20
+
+
+__BEGIN_DECLS
+
+/* Spawn a new process executing PATH with the attributes describes in *ATTRP.
+   Before running the process perform the actions described in FILE-ACTIONS. */
+extern int posix_spawn (pid_t *__pid, __const char *__path,
+			__const posix_spawn_file_actions_t *__file_actions,
+			__const posix_spawnattr_t *__attrp,
+			char *__const argv[], char *__const envp[]) __THROW;
+
+/* Similar to `posix_spawn' but search for FILE in the PATH.  */
+extern int posix_spawnp (pid_t *__pid, __const char *__file,
+			 __const posix_spawn_file_actions_t *__file_actions,
+			 __const posix_spawnattr_t *__attrp,
+			 char *__const argv[], char *__const envp[]) __THROW;
+
+
+/* Initialize data structure with attributes for `spawn' to default values.  */
+extern int posix_spawnattr_init (posix_spawnattr_t *__attr) __THROW;
+
+/* Free resources associated with ATTR.  */
+extern int posix_spawnattr_destroy (posix_spawnattr_t *__attr) __THROW;
+
+/* Store signal mask for signals with default handling from ATTR in
+   SIGDEFAULT.  */
+extern int posix_spawnattr_getdefault (__const posix_spawnattr_t *__attr,
+				       sigset_t *__sigdefault) __THROW;
+
+/* Set signal mask for signals with default handling in ATTR to SIGDEFAULT.  */
+extern int posix_spawnattr_setdefault (posix_spawnattr_t *__attr,
+				       __const sigset_t *__sigdefault) __THROW;
+
+/* Store signal mask for the new process from ATTR in SIGMASK.  */
+extern int posix_spawnattr_getsigmask (__const posix_spawnattr_t *__attr,
+				       sigset_t *__sigmask) __THROW;
+
+/* Set signal mask for the new process in ATTR to SIGMASK.  */
+extern int posix_spawnattr_setsigmask (posix_spawnattr_t *__attr,
+				       __const sigset_t *__sigmask) __THROW;
+
+/* Get flag word from the attribute structure.  */
+extern int posix_spawnattr_getflags (__const posix_spawnattr_t *__attr,
+				     short int *__flags) __THROW;
+
+/* Store flags in the attribute structure.  */
+extern int posix_spawnattr_setflags (posix_spawnattr_t *_attr,
+				     short int __flags) __THROW;
+
+/* Get process group ID from the attribute structure.  */
+extern int posix_spawnattr_getpgroup (__const posix_spawnattr_t *__attr,
+				      pid_t *__pgroup) __THROW;
+
+/* Store process group ID in the attribute structure.  */
+extern int posix_spawnattr_setpgroup (posix_spawnattr_t *__attr,
+				      pid_t __pgroup) __THROW;
+
+/* Get scheduling policy from the attribute structure.  */
+extern int posix_spawnattr_getschedpolicy (__const posix_spawnattr_t *__attr,
+					   int *__schedpolicy) __THROW;
+
+/* Store scheduling policy in the attribute structure.  */
+extern int posix_spawnattr_setschedpolicy (posix_spawnattr_t *__attr,
+					   int __schedpolicy) __THROW;
+
+
+/* Initialize data structure for file attribute for `spawn' call.  */
+extern int posix_spawn_file_actions_init (posix_spawn_file_actions_t *
+					  __file_actions) __THROW;
+
+/* Free resources associated with FILE-ACTIONS.  */
+extern int posix_spawn_file_actions_destroy (posix_spawn_file_actions_t *
+					     __file_actions) __THROW;
+
+/* Add an action to FILE-ACTIONS which tells the implementation to call
+   `open' for the given file during the `spawn' call.  */
+extern int posix_spawn_file_actions_addopen (posix_spawn_file_actions_t *
+					     __file_actions,
+					     int __fd, __const char *__path,
+					     int __oflag, mode_t __mode)
+     __THROW;
+
+/* Add an action to FILE-ACTIONS which tells the implementation to call
+   `close' for the given file descriptor during the `spawn' call.  */
+extern int posix_spawn_file_actions_addclose (posix_spawn_file_actions_t *
+					      __file_actions, int __fd)
+     __THROW;
+
+/* Add an action to FILE-ACTIONS which tells the implementation to call
+   `dup2' for the given file descriptors during the `spawn' call.  */
+extern int posix_spawn_file_actions_adddup2 (posix_spawn_file_actions_t *
+					     __file_actions,
+					     int __fd, int __newfd) __THROW;
+
+__END_DECLS
+
+#endif /* spawn.h */
diff --git a/posix/spawn_faction_addclose.c b/posix/spawn_faction_addclose.c
new file mode 100644
index 0000000000..565f4b43f7
--- /dev/null
+++ b/posix/spawn_faction_addclose.c
@@ -0,0 +1,50 @@
+/* Copyright (C) 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <errno.h>
+#include <spawn.h>
+#include <unistd.h>
+
+#include "spawn_int.h"
+
+/* Add an action to FILE-ACTIONS which tells the implementation to call
+   `close' for the given file descriptor during the `spawn' call.  */
+int
+posix_spawn_file_actions_addclose (posix_spawn_file_actions_t *file_actions,
+				   int fd)
+{
+  int maxfd = sysconf (_SC_OPEN_MAX);
+  struct __spawn_action *rec;
+
+  /* Test for the validity of the file descriptor.  */
+  if (fd < 0 || fd >= maxfd)
+    return EBADF;
+
+  /* Allocate more memory of needed.  */
+  if (file_actions->__used == file_actions->__allocated
+      && __posix_spawn_file_actions_realloc (file_actions) != 0)
+    /* THis can only mean we ran out of memory.  */
+    return ENOMEM;
+
+  /* Add the new value.  */
+  rec = &file_actions->__actions[file_actions->__allocated];
+  rec->tag = spawn_do_close;
+  rec->action.open_action.fd = fd;
+
+  return 0;
+}
diff --git a/posix/spawn_faction_adddup2.c b/posix/spawn_faction_adddup2.c
new file mode 100644
index 0000000000..482318ff9e
--- /dev/null
+++ b/posix/spawn_faction_adddup2.c
@@ -0,0 +1,51 @@
+/* Copyright (C) 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <errno.h>
+#include <spawn.h>
+#include <unistd.h>
+
+#include "spawn_int.h"
+
+/* Add an action to FILE-ACTIONS which tells the implementation to call
+   `dup2' for the given file descriptors during the `spawn' call.  */
+int
+posix_spawn_file_actions_adddup2 (posix_spawn_file_actions_t *file_actions,
+				  int fd, int newfd)
+{
+  int maxfd = sysconf (_SC_OPEN_MAX);
+  struct __spawn_action *rec;
+
+  /* Test for the validity of the file descriptor.  */
+  if (fd < 0 || newfd < 0 || fd >= maxfd || newfd >= maxfd)
+    return EBADF;
+
+  /* Allocate more memory of needed.  */
+  if (file_actions->__used == file_actions->__allocated
+      && __posix_spawn_file_actions_realloc (file_actions) != 0)
+    /* THis can only mean we ran out of memory.  */
+    return ENOMEM;
+
+  /* Add the new value.  */
+  rec = &file_actions->__actions[file_actions->__allocated];
+  rec->tag = spawn_do_dup2;
+  rec->action.dup2_action.fd = fd;
+  rec->action.dup2_action.newfd = newfd;
+
+  return 0;
+}
diff --git a/posix/spawn_faction_addopen.c b/posix/spawn_faction_addopen.c
new file mode 100644
index 0000000000..1405e91013
--- /dev/null
+++ b/posix/spawn_faction_addopen.c
@@ -0,0 +1,54 @@
+/* Copyright (C) 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <errno.h>
+#include <spawn.h>
+#include <unistd.h>
+
+#include "spawn_int.h"
+
+/* Add an action to FILE-ACTIONS which tells the implementation to call
+   `open' for the given file during the `spawn' call.  */
+int
+posix_spawn_file_actions_addopen (posix_spawn_file_actions_t *file_actions,
+				  int fd, const char *path, int oflag,
+				  mode_t mode)
+{
+  int maxfd = sysconf (_SC_OPEN_MAX);
+  struct __spawn_action *rec;
+
+  /* Test for the validity of the file descriptor.  */
+  if (fd < 0 || fd >= maxfd)
+    return EBADF;
+
+  /* Allocate more memory of needed.  */
+  if (file_actions->__used == file_actions->__allocated
+      && __posix_spawn_file_actions_realloc (file_actions) != 0)
+    /* THis can only mean we ran out of memory.  */
+    return ENOMEM;
+
+  /* Add the new value.  */
+  rec = &file_actions->__actions[file_actions->__allocated];
+  rec->tag = spawn_do_open;
+  rec->action.open_action.fd = fd;
+  rec->action.open_action.path = path;
+  rec->action.open_action.oflag = oflag;
+  rec->action.open_action.mode = mode;
+
+  return 0;
+}
diff --git a/posix/spawn_faction_destroy.c b/posix/spawn_faction_destroy.c
new file mode 100644
index 0000000000..16d087f2d9
--- /dev/null
+++ b/posix/spawn_faction_destroy.c
@@ -0,0 +1,29 @@
+/* Copyright (C) 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <spawn.h>
+#include <stdlib.h>
+
+/* Initialize data structure for file attribute for `spawn' call.  */
+int
+posix_spawn_file_actions_destroy (posix_spawn_file_actions_t *file_actions)
+{
+  /* Free the memory allocated.  */
+  free (file_actions->__actions);
+  return 0;
+}
diff --git a/posix/spawn_faction_init.c b/posix/spawn_faction_init.c
new file mode 100644
index 0000000000..edd41ddd6f
--- /dev/null
+++ b/posix/spawn_faction_init.c
@@ -0,0 +1,53 @@
+/* Copyright (C) 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <errno.h>
+#include <spawn.h>
+#include <stdlib.h>
+#include <string.h>
+
+
+/* Function used to increase the size of the allocated array.  This
+   function is called from the `add'-functions.  */
+int
+__posix_spawn_file_actions_realloc (posix_spawn_file_actions_t *file_actions)
+{
+  void *newmem = realloc (file_actions->__actions,
+			  file_actions->__allocated += 8);
+
+  if (newmem == NULL)
+    {
+      /* Not enough memory.  */
+      file_actions->__allocated -= 8;
+      return ENOMEM;
+    }
+
+  file_actions->__actions = (struct __spawn_action *) newmem;
+
+  return 0;
+}
+
+
+/* Initialize data structure for file attribute for `spawn' call.  */
+int
+posix_spawn_file_actions_init (posix_spawn_file_actions_t *file_actions)
+{
+  /* Simply clear all the elements.  */
+  memset (file_actions, '\0', sizeof (*file_actions));
+  return 0;
+}
diff --git a/posix/spawn_int.h b/posix/spawn_int.h
new file mode 100644
index 0000000000..a3e934754f
--- /dev/null
+++ b/posix/spawn_int.h
@@ -0,0 +1,38 @@
+/* Data structure to contain the action information.  */
+struct __spawn_action
+{
+  enum
+  {
+    spawn_do_close,
+    spawn_do_dup2,
+    spawn_do_open
+  } tag;
+
+  union
+  {
+    struct
+    {
+      int fd;
+    } close_action;
+    struct
+    {
+      int fd;
+      int newfd;
+    } dup2_action;
+    struct
+    {
+      int fd;
+      const char *path;
+      int oflag;
+      mode_t mode;
+    } open_action;
+  } action;
+};
+
+extern int __posix_spawn_file_actions_realloc (posix_spawn_file_actions_t *
+					       file_actions);
+
+extern int __spawni (pid_t *pid, const char *path,
+		     const posix_spawn_file_actions_t *file_actions,
+		     const posix_spawnattr_t *attrp, char *const argv[],
+		     char *const envp[], int use_path);
diff --git a/posix/spawnattr_destroy.c b/posix/spawnattr_destroy.c
new file mode 100644
index 0000000000..d45e369a6e
--- /dev/null
+++ b/posix/spawnattr_destroy.c
@@ -0,0 +1,27 @@
+/* Copyright (C) 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <spawn.h>
+
+/* Initialize data structure for file attribute for `spawn' call.  */
+int
+posix_spawnattr_destroy (posix_spawnattr_t *attr)
+{
+  /* Nothing to do in the moment.  */
+  return 0;
+}
diff --git a/posix/spawnattr_getdefault.c b/posix/spawnattr_getdefault.c
new file mode 100644
index 0000000000..e51567ba63
--- /dev/null
+++ b/posix/spawnattr_getdefault.c
@@ -0,0 +1,32 @@
+/* Copyright (C) 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <spawn.h>
+#include <string.h>
+
+/* Store signal mask for signals with default handling from ATTR in
+   SIGDEFAULT.  */
+int
+posix_spawnattr_getdefault (const posix_spawnattr_t *attr,
+			    sigset_t *sigdefault)
+{
+  /* Copy the sigset_t data to the user buffer.  */
+  memcpy (sigdefault, &attr->__sd, sizeof (sigset_t));
+
+  return 0;
+}
diff --git a/posix/spawnattr_getflags.c b/posix/spawnattr_getflags.c
new file mode 100644
index 0000000000..dd102f5b4c
--- /dev/null
+++ b/posix/spawnattr_getflags.c
@@ -0,0 +1,30 @@
+/* Copyright (C) 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <spawn.h>
+#include <string.h>
+
+/* Get flag word from the attribute structure.  */
+int
+posix_spawnattr_getflags (const posix_spawnattr_t *attr, short int *flags)
+{
+  /* Copy the flag word.  */
+  *flags = attr->__flags;
+
+  return 0;
+}
diff --git a/posix/spawnattr_getpgroup.c b/posix/spawnattr_getpgroup.c
new file mode 100644
index 0000000000..dc179baad9
--- /dev/null
+++ b/posix/spawnattr_getpgroup.c
@@ -0,0 +1,30 @@
+/* Copyright (C) 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <spawn.h>
+#include <string.h>
+
+/* Get process group ID from the attribute structure.  */
+int
+posix_spawnattr_getpgroup (const posix_spawnattr_t *attr, pid_t *pgroup)
+{
+  /* Copy the process group ID.  */
+  *pgroup = attr->__pgrp;
+
+  return 0;
+}
diff --git a/posix/spawnattr_getschedparam.c b/posix/spawnattr_getschedparam.c
new file mode 100644
index 0000000000..790a0fb670
--- /dev/null
+++ b/posix/spawnattr_getschedparam.c
@@ -0,0 +1,31 @@
+/* Copyright (C) 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <spawn.h>
+#include <string.h>
+
+/* Get scheduling parameters from the attribute structure.  */
+int
+posix_spawnattr_getschedparam (const posix_spawnattr_t *attr,
+			       struct sched_param *schedparam)
+{
+  /* Copy the scheduling parameters.  */
+  memcpy (schedparam, &attr->__sp, sizeof (*attr));
+
+  return 0;
+}
diff --git a/posix/spawnattr_getschedpolicy.c b/posix/spawnattr_getschedpolicy.c
new file mode 100644
index 0000000000..4a9714d613
--- /dev/null
+++ b/posix/spawnattr_getschedpolicy.c
@@ -0,0 +1,31 @@
+/* Copyright (C) 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <spawn.h>
+#include <string.h>
+
+/* Get scheduling policy from the attribute structure.  */
+int
+posix_spawnattr_getschedpolicy (const posix_spawnattr_t *attr,
+				int *schedpolicy)
+{
+  /* Copy the scheduling policy.  */
+  *schedpolicy = attr->__policy;
+
+  return 0;
+}
diff --git a/posix/spawnattr_getsigmask.c b/posix/spawnattr_getsigmask.c
new file mode 100644
index 0000000000..c5a61d42f5
--- /dev/null
+++ b/posix/spawnattr_getsigmask.c
@@ -0,0 +1,31 @@
+/* Copyright (C) 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <spawn.h>
+#include <string.h>
+
+/* Store signal mask for the new process from ATTR in SIGMASK.  */
+int
+posix_spawnattr_getsigmask (const posix_spawnattr_t *attr,
+			    sigset_t *sigmask)
+{
+  /* Copy the sigset_t data to the user buffer.  */
+  memcpy (sigmask, &attr->__ss, sizeof (sigset_t));
+
+  return 0;
+}
diff --git a/posix/spawnattr_init.c b/posix/spawnattr_init.c
new file mode 100644
index 0000000000..58039a2e23
--- /dev/null
+++ b/posix/spawnattr_init.c
@@ -0,0 +1,31 @@
+/* Copyright (C) 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <spawn.h>
+#include <string.h>
+
+/* Initialize data structure for file attribute for `spawn' call.  */
+int
+posix_spawnattr_init (posix_spawnattr_t *attr)
+{
+  /* All elements have to be initialized to the default values which
+     is generally zero.  */
+  memset (attr, '\0', sizeof (*attr));
+
+  return 0;
+}
diff --git a/posix/spawnattr_setdefault.c b/posix/spawnattr_setdefault.c
new file mode 100644
index 0000000000..334ed8443e
--- /dev/null
+++ b/posix/spawnattr_setdefault.c
@@ -0,0 +1,31 @@
+/* Copyright (C) 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <spawn.h>
+#include <string.h>
+
+/* Set signal mask for signals with default handling in ATTR to SIGDEFAULT.  */
+int
+posix_spawnattr_setdefault (posix_spawnattr_t *attr,
+			    const sigset_t *sigdefault)
+{
+  /* Copy the sigset_t data to the user buffer.  */
+  memcpy (&attr->__sd, sigdefault, sizeof (sigset_t));
+
+  return 0;
+}
diff --git a/posix/spawnattr_setflags.c b/posix/spawnattr_setflags.c
new file mode 100644
index 0000000000..d587690074
--- /dev/null
+++ b/posix/spawnattr_setflags.c
@@ -0,0 +1,30 @@
+/* Copyright (C) 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <spawn.h>
+#include <string.h>
+
+/* Store flags in the attribute structure.  */
+int
+posix_spawnattr_setflags (posix_spawnattr_t *attr, short int flags)
+{
+  /* Store the flag word.  */
+  attr->__flags = flags;
+
+  return 0;
+}
diff --git a/posix/spawnattr_setpgroup.c b/posix/spawnattr_setpgroup.c
new file mode 100644
index 0000000000..701717a84d
--- /dev/null
+++ b/posix/spawnattr_setpgroup.c
@@ -0,0 +1,30 @@
+/* Copyright (C) 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <spawn.h>
+#include <string.h>
+
+/* Store process group ID in the attribute structure.  */
+int
+posix_spawnattr_setpgroup (posix_spawnattr_t *attr, pid_t pgroup)
+{
+  /* Store the process group ID.  */
+  attr->__pgrp = pgroup;
+
+  return 0;
+}
diff --git a/posix/spawnattr_setschedparam.c b/posix/spawnattr_setschedparam.c
new file mode 100644
index 0000000000..ffcd893d97
--- /dev/null
+++ b/posix/spawnattr_setschedparam.c
@@ -0,0 +1,31 @@
+/* Copyright (C) 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <spawn.h>
+#include <string.h>
+
+/* Store scheduling parameters in the attribute structure.  */
+int
+posix_spawnattr_setschedparam (posix_spawnattr_t *attr,
+			       const struct shed_param *schedparam)
+{
+  /* Store the flag word.  */
+  attr->__flags = flags;
+
+  return 0;
+}
diff --git a/posix/spawnattr_setschedpolicy.c b/posix/spawnattr_setschedpolicy.c
new file mode 100644
index 0000000000..b3dcaec311
--- /dev/null
+++ b/posix/spawnattr_setschedpolicy.c
@@ -0,0 +1,34 @@
+/* Copyright (C) 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <errno.h>
+#include <spawn.h>
+
+/* Store scheduling policy in the attribute structure.  */
+int
+posix_spawnattr_setschedpolicy (posix_spawnattr_t *attr, int schedpolicy)
+{
+  if (schedpolicy != SCHED_OTHER && schedpolicy != SCHED_FIFO
+      && schedpolicy != SCHED_RR)
+    return EINVAL;
+
+  /* Store the policy.  */
+  attr->__policy = schedpolicy;
+
+  return 0;
+}
diff --git a/posix/spawnattr_setsigmask.c b/posix/spawnattr_setsigmask.c
new file mode 100644
index 0000000000..aa917ff60d
--- /dev/null
+++ b/posix/spawnattr_setsigmask.c
@@ -0,0 +1,31 @@
+/* Copyright (C) 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <spawn.h>
+#include <string.h>
+
+/* Set signal mask for the new process in ATTR to SIGMASK.  */
+int
+posix_spawnattr_setsigmask (posix_spawnattr_t *attr,
+			    const sigset_t *sigmask)
+{
+  /* Copy the sigset_t data to the user buffer.  */
+  memcpy (&attr->__ss, sigdefault, sizeof (sigset_t));
+
+  return 0;
+}
diff --git a/posix/spawni.c b/posix/spawni.c
new file mode 100644
index 0000000000..e93f488f04
--- /dev/null
+++ b/posix/spawni.c
@@ -0,0 +1,275 @@
+/* Copyright (C) 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <paths.h>
+#include <spawn.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include "spawn_int.h"
+
+
+/* The Unix standard contains a long explanation of the way to signal
+   an error after the fork() was successful.  Since no new wait status
+   was wanted there is no way to signal an error using one of the
+   available methods.  The committee chose to signal an error by a
+   normal program exit with the exit code 127.  */
+#define SPAWN_ERROR	127
+
+
+/* The file is accessible but it is not an executable file.  Invoke
+   the shell to interpret it as a script.  */
+static void
+internal_function
+script_execute (const char *file, char *const argv[], char *const envp[])
+{
+  /* Count the arguments.  */
+  int argc = 0;
+  while (argv[argc++])
+    ;
+
+  /* Construct an argument list for the shell.  */
+  {
+    char *new_argv[argc + 1];
+    new_argv[0] = (char *) _PATH_BSHELL;
+    new_argv[1] = (char *) file;
+    while (argc > 1)
+      {
+	new_argv[argc] = argv[argc - 1];
+	--argc;
+      }
+
+    /* Execute the shell.  */
+    __execve (new_argv[0], new_argv, envp);
+  }
+}
+
+
+/* Spawn a new process executing PATH with the attributes describes in *ATTRP.
+   Before running the process perform the actions described in FILE-ACTIONS. */
+int
+__spawni (pid_t *pid, const char *file,
+	  const posix_spawn_file_actions_t *file_actions,
+	  const posix_spawnattr_t *attrp, char *const argv[],
+	  char *const envp[], int use_path)
+{
+  pid_t new_pid;
+  char *path, *p, *name;
+  size_t len;
+  size_t pathlen;
+  short int flags;
+
+  /* Generate the new process.  */
+  new_pid = fork ();
+  if (new_pid != 0)
+    {
+      if (new_pid < 0)
+	return errno;
+
+      /* The call was successful.  Store the PID if necessary.  */
+      if (pid != NULL)
+	*pid = new_pid;
+
+      return 0;
+    }
+
+  /* Do this once.  */
+  flags = attrp == NULL ? 0 : attrp->__flags;
+
+  /* Set signal mask.  */
+  if ((flags & POSIX_SPAWN_SETSIGMASK) != 0
+      && __sigprocmask (SIG_SETMASK, &attrp->__ss, NULL) != 0)
+    _exit (SPAWN_ERROR);
+
+  /* Set signal default action.  */
+  if ((flags & POSIX_SPAWN_SETSIGDEF) != 0)
+    {
+      /* We have to iterate over all signals.  This could possibly be
+	 done better but it requires system specific solutions since
+	 the sigset_t data type can be very different on different
+	 architectures.  */
+      int sig;
+      struct sigaction sa;
+
+      memset (&sa, '\0', sizeof (sa));
+      sa.sa_handler = SIG_DFL;
+
+      for (sig = 1; sig >= _NSIG; ++sig)
+	if (sigismember (&attrp->__sd, sig) != 0
+	    && __sigaction (sig, &sa, NULL) != 0)
+	  _exit (SPAWN_ERROR);
+
+    }
+
+#ifdef _POSIX_PRIORITY_SCHEDULING
+  /* Set the scheduling algorithm and parameters.  */
+  if ((flags & (POSIX_SPAWN_SETSCHEDPARAM | POSIX_SPAWN_SETSCHEDULER))
+      == POSIX_SPAWN_SETSCHEDPARAM)
+    {
+      if (__sched_setparam (0, &attrp->__sp) == -1)
+	_exit (SPAWN_ERROR);
+    }
+  else if ((flags & POSIX_SPAWN_SETSCHEDULER) != 0)
+    {
+      if (__sched_setscheduler (0, attrp->__policy,
+				(flags & POSIX_SPAWN_SETSCHEDPARAM) != 0
+				? &attrp->__sp : NULL) == -1)
+	_exit (SPAWN_ERROR);
+    }
+#endif
+
+  /* Set the process group ID.  */
+  if ((flags & POSIX_SPAWN_SETPGROUP) != 0
+      && __setpgid (0, attrp->__pgrp) != 0)
+    _exit (SPAWN_ERROR);
+
+  /* Set the effective user and group IDs.  */
+  if ((flags & POSIX_SPAWN_RESETIDS) != 0
+      && (seteuid (__getuid ()) != 0 || setegid (__getgid ()) != 0))
+    _exit (SPAWN_ERROR);
+
+  /* Execute the file actions.  */
+  if (file_actions != NULL)
+    {
+      int cnt;
+
+      for (cnt = 0; cnt < file_actions->__used; ++cnt)
+	{
+	  struct __spawn_action *action = &file_actions->__actions[cnt];
+
+	  switch (action->tag)
+	    {
+	    case spawn_do_close:
+	      if (close (action->action.close_action.fd) != 0)
+		/* Signal the error.  */
+		_exit (SPAWN_ERROR);
+	      break;
+
+	    case spawn_do_open:
+	      {
+		int new_fd = open (action->action.open_action.path,
+				   action->action.open_action.oflag,
+				   action->action.open_action.mode);
+
+		if (new_fd == -1)
+		  /* The `open' call failed.  */
+		  _exit (SPAWN_ERROR);
+
+		/* Make sure the desired file descriptor is used.  */
+		if (new_fd != action->action.open_action.fd)
+		  {
+		    if (__dup2 (new_fd, action->action.open_action.fd) != 0)
+		      /* The `dup2' call failed.  */
+		      _exit (SPAWN_ERROR);
+
+		    if (close (new_fd) != 0)
+		      /* The `close' call failed.  */
+		      _exit (SPAWN_ERROR);
+		  }
+	      }
+	      break;
+
+	    case spawn_do_dup2:
+	      if (__dup2 (action->action.dup2_action.fd,
+			  action->action.dup2_action.newfd) != 0)
+		/* The `dup2' call failed.  */
+		_exit (SPAWN_ERROR);
+	      break;
+	    }
+	}
+    }
+
+  if (! use_path || strchr (file, '/') != NULL)
+    {
+      /* The FILE parameter is actually a path.  */
+      __execve (file, argv, envp);
+
+      if (errno == ENOEXEC)
+	script_execute (file, argv, envp);
+
+      /* Oh, oh.  `execve' returns.  This is bad.  */
+      _exit (SPAWN_ERROR);
+    }
+
+  /* We have to search for FILE on the path.  */
+  path = getenv ("PATH");
+  if (path == NULL)
+    {
+      /* There is no `PATH' in the environment.
+	 The default search path is the current directory
+	 followed by the path `confstr' returns for `_CS_PATH'.  */
+      len = confstr (_CS_PATH, (char *) NULL, 0);
+      path = (char *) __alloca (1 + len);
+      path[0] = ':';
+      (void) confstr (_CS_PATH, path + 1, len);
+    }
+
+  len = strlen (file) + 1;
+  pathlen = strlen (path);
+  name = __alloca (pathlen + len + 1);
+  /* Copy the file name at the top.  */
+  name = (char *) memcpy (name + pathlen + 1, file, len);
+  /* And add the slash.  */
+  *--name = '/';
+
+  p = path;
+  do
+    {
+      char *startp;
+
+      path = p;
+      p = __strchrnul (path, ':');
+
+      if (p == path)
+	/* Two adjacent colons, or a colon at the beginning or the end
+	   of `PATH' means to search the current directory.  */
+	startp = name + 1;
+      else
+	startp = (char *) memcpy (name - (p - path), path, p - path);
+
+      /* Try to execute this name.  If it works, execv will not return.  */
+      __execve (startp, argv, envp);
+
+      if (errno == ENOEXEC)
+	script_execute (startp, argv, envp);
+
+      switch (errno)
+	{
+	case EACCES:
+	case ENOENT:
+	case ESTALE:
+	case ENOTDIR:
+	  /* Those errors indicate the file is missing or not executable
+	     by us, in which case we want to just try the next path
+	     directory.  */
+	  break;
+
+	default:
+	  /* Some other error means we found an executable file, but
+	     something went wrong executing it; return the error to our
+	     caller.  */
+	  _exit (SPAWN_ERROR);
+	    }
+    }
+  while (*p++ != '\0');
+
+  /* Return with an error.  */
+  _exit (SPAWN_ERROR);
+}
diff --git a/posix/spawnp.c b/posix/spawnp.c
new file mode 100644
index 0000000000..bfb3c6e0f6
--- /dev/null
+++ b/posix/spawnp.c
@@ -0,0 +1,31 @@
+/* Copyright (C) 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <spawn.h>
+#include "spawn_int.h"
+
+/* Spawn a new process executing FILE with the attributes describes in *ATTRP.
+   Before running the process perform the actions described in FILE-ACTIONS. */
+int
+posix_spawnp (pid_t *pid, const char *file,
+	      const posix_spawn_file_actions_t *file_actions,
+	      const posix_spawnattr_t *attrp, char *const argv[],
+	      char *const envp[])
+{
+  return __spawni (pid, file, file_actions, attrp, argv, envp, 1);
+}