Update.

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.

2 files changed, 7 insertions, 2 deletions

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