initial import

23 files changed, 545 insertions, 0 deletions

diff --git a/sysdeps/unix/sysv/sco3.2.4/Dist b/sysdeps/unix/sysv/sco3.2.4/Dist
new file mode 100644
index 0000000000..462b9fb1a6
--- /dev/null
+++ b/sysdeps/unix/sysv/sco3.2.4/Dist
@@ -0,0 +1,2 @@
+pgrpsys.S
+sco_getgrp.S
diff --git a/sysdeps/unix/sysv/sco3.2.4/Makefile b/sysdeps/unix/sysv/sco3.2.4/Makefile
new file mode 100644
index 0000000000..23525e527d
--- /dev/null
+++ b/sysdeps/unix/sysv/sco3.2.4/Makefile
@@ -0,0 +1,3 @@
+ifeq (posix,$(subdir))
+sysdep_routines := $(sysdep_routines) pgrpsys sco_getgrp
+endif
diff --git a/sysdeps/unix/sysv/sco3.2.4/__setpgid.c b/sysdeps/unix/sysv/sco3.2.4/__setpgid.c
new file mode 100644
index 0000000000..3c4304c633
--- /dev/null
+++ b/sysdeps/unix/sysv/sco3.2.4/__setpgid.c
@@ -0,0 +1,30 @@
+/* Copyright (C) 1994 Free Software Foundation, Inc.
+
+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., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <ansidecl.h>
+#include <errno.h>
+#include <unistd.h>
+#include <sys/types.h>
+
+extern int __pgrpsys __P ((int type, ...));
+
+/* Get the process group ID of process PID.  */
+int
+DEFUN(__setpgid, (pid, pgid), pid_t pid AND pid_t pgid)
+{
+  return __pgrpsys (2, pid, pgid);
+}
diff --git a/sysdeps/unix/sysv/sco3.2.4/confname.h b/sysdeps/unix/sysv/sco3.2.4/confname.h
new file mode 100644
index 0000000000..0408951863
--- /dev/null
+++ b/sysdeps/unix/sysv/sco3.2.4/confname.h
@@ -0,0 +1,50 @@
+/* `sysconf', `pathconf', and `confstr' NAME values.  Generic version.
+Copyright (C) 1993 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., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+/* Values for the NAME argument to `pathconf' and `fpathconf'.  */
+#define _PC_LINK_MAX		0
+#define _PC_MAX_CANON		1
+#define _PC_MAX_INPUT		2
+#define _PC_NAME_MAX		3
+#define _PC_PATH_MAX		4
+#define _PC_PIPE_BUF		5
+#define _PC_CHOWN_RESTRICTED	6
+#define _PC_NO_TRUNC		7
+#define _PC_VDISABLE		8
+
+/* Values for the argument to `sysconf'.  */
+#define _SC_ARG_MAX		0
+#define _SC_CHILD_MAX		1
+#define _SC_CLK_TCK		2
+#define _SC_NGROUPS_MAX		3
+#define _SC_OPEN_MAX		4
+#define _SC_JOB_CONTROL		5
+#define _SC_SAVED_IDS		6
+#define _SC_VERSION		7
+#define _SC_PASS_MAX		8
+#define _SC_XOPEN_VERSION	9
+#define _SC_TZNAME_MAX		666 /* Not handled by SCO's system call.  */
+
+#ifdef __USE_POSIX2
+/* Values for the NAME argument to `confstr'.  */
+enum
+  {
+    _CS_PATH			/* The default search path.  */
+  };
+#endif
diff --git a/sysdeps/unix/sysv/sco3.2.4/direct.h b/sysdeps/unix/sysv/sco3.2.4/direct.h
new file mode 100644
index 0000000000..b3eaa54c8b
--- /dev/null
+++ b/sysdeps/unix/sysv/sco3.2.4/direct.h
@@ -0,0 +1,22 @@
+#ifndef	MAXNAMLEN
+#define	MAXNAMLEN	512
+#endif
+#define DIRBUF	        1048	/* minimum buffer size for call to getdents */
+
+struct direct
+  {
+    unsigned short int d_fileno;
+    short int d_pad;
+    long int d_off;
+    unsigned short int d_reclen;
+    char d_name[1];		/* Actually longer. */
+  };
+
+#include <stddef.h>
+
+/* We calculate the length of the name by taking the length of the whole
+   `struct direct' record, subtracting the size of everything before the
+   name, and subtracting one for the terminating null.  */
+
+#define D_NAMLEN(d) \
+  ((d)->d_reclen - offsetof (struct direct, d_name) - 1)
diff --git a/sysdeps/unix/sysv/sco3.2.4/getgroups.c b/sysdeps/unix/sysv/sco3.2.4/getgroups.c
new file mode 100644
index 0000000000..68966bc5df
--- /dev/null
+++ b/sysdeps/unix/sysv/sco3.2.4/getgroups.c
@@ -0,0 +1,45 @@
+/* Copyright (C) 1994, 1995 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., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <ansidecl.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <limits.h>
+#include <alloca.h>
+
+extern int __sco_getgroups __P ((int size, unsigned short int *list));
+
+int
+DEFUN(__getgroups, (size, list), int size AND gid_t *list)
+{
+  int i;
+  unsigned short int *shortlist;
+
+  if (size <= 0)
+    return __sco_getgroups (size, NULL);
+
+  shortlist = __alloca (size * sizeof (*shortlist));
+
+  size = __sco_getgroups (size, shortlist);
+  for (i = 0; i < size; ++i)
+    list[i] = shortlist[i];
+
+  return size;
+}
+
+weak_alias (__getgroups, getgroups)
diff --git a/sysdeps/unix/sysv/sco3.2.4/getpgid.c b/sysdeps/unix/sysv/sco3.2.4/getpgid.c
new file mode 100644
index 0000000000..3b47d9dee2
--- /dev/null
+++ b/sysdeps/unix/sysv/sco3.2.4/getpgid.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/sysv4/getpgid.c>
diff --git a/sysdeps/unix/sysv/sco3.2.4/pathconf.S b/sysdeps/unix/sysv/sco3.2.4/pathconf.S
new file mode 100644
index 0000000000..1c4dd9571c
--- /dev/null
+++ b/sysdeps/unix/sysv/sco3.2.4/pathconf.S
@@ -0,0 +1,24 @@
+/* Copyright (C) 1993, 1995 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., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <sysdep.h>
+
+SYSCALL__ (pathconf, 2)
+	ret
+
+weak_alias (__pathconf, pathconf)
diff --git a/sysdeps/unix/sysv/sco3.2.4/pgrpsys.S b/sysdeps/unix/sysv/sco3.2.4/pgrpsys.S
new file mode 100644
index 0000000000..2c7d994c28
--- /dev/null
+++ b/sysdeps/unix/sysv/sco3.2.4/pgrpsys.S
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/sysv4/pgrpsys.S>
diff --git a/sysdeps/unix/sysv/sco3.2.4/pipestream.c b/sysdeps/unix/sysv/sco3.2.4/pipestream.c
new file mode 100644
index 0000000000..b768e62043
--- /dev/null
+++ b/sysdeps/unix/sysv/sco3.2.4/pipestream.c
@@ -0,0 +1,3 @@
+/* SCO 3.2v4 does have `waitpid'.
+   Avoid unix/pipestream.c, which says we don't.  */
+#include <sysdeps/posix/pipestream.c>
diff --git a/sysdeps/unix/sysv/sco3.2.4/sco_getgrp.S b/sysdeps/unix/sysv/sco3.2.4/sco_getgrp.S
new file mode 100644
index 0000000000..e68c300821
--- /dev/null
+++ b/sysdeps/unix/sysv/sco3.2.4/sco_getgrp.S
@@ -0,0 +1,22 @@
+/* Copyright (C) 1994 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., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <sysdep.h>
+
+PSEUDO (__sco_getgroups, getgroups, 2)
+	ret
diff --git a/sysdeps/unix/sysv/sco3.2.4/setpgid.c b/sysdeps/unix/sysv/sco3.2.4/setpgid.c
new file mode 100644
index 0000000000..cc9c4cd61b
--- /dev/null
+++ b/sysdeps/unix/sysv/sco3.2.4/setpgid.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/sysv4/setpgid.c>
diff --git a/sysdeps/unix/sysv/sco3.2.4/setsid.c b/sysdeps/unix/sysv/sco3.2.4/setsid.c
new file mode 100644
index 0000000000..6337652552
--- /dev/null
+++ b/sysdeps/unix/sysv/sco3.2.4/setsid.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/sysv4/setsid.c>
diff --git a/sysdeps/unix/sysv/sco3.2.4/sigaction.S b/sysdeps/unix/sysv/sco3.2.4/sigaction.S
new file mode 100644
index 0000000000..dc1bb418d6
--- /dev/null
+++ b/sysdeps/unix/sysv/sco3.2.4/sigaction.S
@@ -0,0 +1,29 @@
+/* Copyright (C) 1993, 1994, 1995 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., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <sysdep.h>
+
+.globl C_SYMBOL_NAME(__sigreturn)
+
+ENTRY (__sigaction)
+	movl $C_SYMBOL_NAME(__sigreturn), %ecx
+	DO_CALL (sigaction, 3)
+	jb syscall_error
+	ret
+
+weak_alias (__sigaction, sigaction)
diff --git a/sysdeps/unix/sysv/sco3.2.4/sigaction.h b/sysdeps/unix/sysv/sco3.2.4/sigaction.h
new file mode 100644
index 0000000000..c6344f0810
--- /dev/null
+++ b/sysdeps/unix/sysv/sco3.2.4/sigaction.h
@@ -0,0 +1,39 @@
+/* The proper definitions for SCO's sigaction.
+Copyright (C) 1993, 1994 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, 1992 Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+/* Structure describing the action to be taken when a signal arrives.  */
+struct sigaction
+  {
+    /* Signal handler.  */
+    __sighandler_t sa_handler;
+
+    /* Additional set of signals to be blocked.  */
+    __sigset_t sa_mask;
+
+    /* Special flags.  */
+    int sa_flags;
+  };
+
+/* Bits in `sa_flags'.  */
+#define	SA_NOCLDSTOP	0x01	/* Don't send SIGCHLD when children stop.  */
+
+/* Values for the HOW argument to `sigprocmask'.  */
+#define	SIG_SETMASK	0	/* Set the set of blocked signals.  */
+#define	SIG_BLOCK	1	/* Block signals.  */
+#define	SIG_UNBLOCK	2	/* Unblock signals.  */
diff --git a/sysdeps/unix/sysv/sco3.2.4/sigpending.S b/sysdeps/unix/sysv/sco3.2.4/sigpending.S
new file mode 100644
index 0000000000..bc05b2ef6e
--- /dev/null
+++ b/sysdeps/unix/sysv/sco3.2.4/sigpending.S
@@ -0,0 +1,22 @@
+/* Copyright (C) 1993 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., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <sysdep.h>
+
+SYSCALL (sigpending, 1)
+	ret
diff --git a/sysdeps/unix/sysv/sco3.2.4/sigprocmask.S b/sysdeps/unix/sysv/sco3.2.4/sigprocmask.S
new file mode 100644
index 0000000000..ff199158a4
--- /dev/null
+++ b/sysdeps/unix/sysv/sco3.2.4/sigprocmask.S
@@ -0,0 +1,24 @@
+/* Copyright (C) 1993, 1995 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., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <sysdep.h>
+
+SYSCALL__ (sigprocmask, 3)
+	ret
+
+weak_alias (__sigprocmask, sigprocmask)
diff --git a/sysdeps/unix/sysv/sco3.2.4/sigsuspend.S b/sysdeps/unix/sysv/sco3.2.4/sigsuspend.S
new file mode 100644
index 0000000000..9bce3878fd
--- /dev/null
+++ b/sysdeps/unix/sysv/sco3.2.4/sigsuspend.S
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/sysv4/sigsuspend.S>
diff --git a/sysdeps/unix/sysv/sco3.2.4/syscall.h b/sysdeps/unix/sysv/sco3.2.4/syscall.h
new file mode 100644
index 0000000000..316bd0d0ce
--- /dev/null
+++ b/sysdeps/unix/sysv/sco3.2.4/syscall.h
@@ -0,0 +1,107 @@
+/* From Scott Bartram.  */
+
+#ifndef _SYSCALL_H
+#define _SYSCALL_H
+
+#define SYS_access	33
+#define SYS_acct	51
+#define SYS_advfs	70
+#define SYS_alarm	27
+#define SYS_break	17
+#define SYS_brk		17
+#define SYS_chdir	12
+#define SYS_chmod	15
+#define SYS_chown	16
+#define SYS_chroot	61
+#define SYS_chsize	0x0a28
+#define SYS_close	6
+#define SYS_creat	8
+#define SYS_dup		41
+#define SYS_exec	11
+#define SYS_exece	59
+#define SYS_exit	1
+#define SYS_fcntl	62
+#define SYS_fork	2
+#define SYS_fpathconf	0x2f28
+#define SYS_fstat	28
+#define SYS_fstatfs	38
+#define SYS_ftime	0x0b28
+#define SYS_getdents	81
+#define SYS_getgid	47
+#define SYS_getgroups	0x2b28
+#define SYS_getitimer	0x3728
+#define SYS_getmsg	85
+#define SYS_getpid	20
+#define SYS_getuid	24
+#define SYS_gtty	32
+#define SYS_ioctl	54
+#define SYS_kill	37
+#define SYS_link	9
+#define SYS_lock	45
+#define SYS_lseek	19
+#define SYS_lstat	91
+#define SYS_mkdir	80
+#define SYS_mknod	14
+#define SYS_mount	21
+#define SYS_msgsys	49
+#define SYS_nap		0x0c28
+#define SYS_nice	34
+#define SYS_open	5
+#define SYS_pathconf	0x2e28
+#define SYS_pause	29
+#define SYS_pgrpsys	39
+#define SYS_pipe	42
+#define SYS_plock	45
+#define SYS_poll	87
+#define SYS_prof	44
+#define SYS_ptrace	26
+#define SYS_putmsg	86
+#define SYS_rdebug	76
+#define SYS_read	3
+#define SYS_readlink	92
+#define SYS_rename	0x3028
+#define SYS_rfstart	74
+#define SYS_rfstop	77
+#define SYS_rfsys	78
+#define SYS_rmdir	79
+#define SYS_rmount	72
+#define SYS_rumount	73
+#define SYS_seek	19
+#define SYS_select	0x2428
+#define SYS_semsys	53
+#define SYS_setgid	46
+#define SYS_setgroups	0x2c28
+#define SYS_setitimer	0x3828
+#define SYS_setpgrp	39
+#define SYS_setuid	23
+#define SYS_shmsys	52
+#define SYS_sigaction	0x2728
+#define SYS_signal	48
+#define SYS_sigpending	0x2928
+#define SYS_sigprocmask	0x2828
+#define SYS_sigsuspend	0x2a28
+#define SYS_stat	18
+#define SYS_statfs	35
+#define SYS_stime	25
+#define SYS_stty	31
+#define SYS_symlink	90
+#define SYS_sync	36
+#define SYS_sys3b	50
+#define SYS_sysacct	51
+#define SYS_sysconf	0x2d28
+#define SYS_sysfs	84
+#define SYS_sysi86  	50
+#define SYS_time	13
+#define SYS_times	43
+#define SYS_uadmin	55
+#define SYS_ulimit	63
+#define SYS_umask	60
+#define SYS_umount	22
+#define SYS_unadvfs	71
+#define SYS_unlink	10
+#define SYS_utime	30
+#define SYS_utssys	57
+#define SYS_wait	7
+#define SYS_write	4
+
+#endif
diff --git a/sysdeps/unix/sysv/sco3.2.4/sysconf.S b/sysdeps/unix/sysv/sco3.2.4/sysconf.S
new file mode 100644
index 0000000000..631e5e977a
--- /dev/null
+++ b/sysdeps/unix/sysv/sco3.2.4/sysconf.S
@@ -0,0 +1,30 @@
+/* Copyright (C) 1993, 1994, 1995 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., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <sysdep.h>
+#include <confname.h>
+
+.globl	__tzname_max
+ENTRY (__sysconf)
+	cmpl $_SC_TZNAME_MAX, 4(%esp) /* Is the arg _SC_TZNAME_MAX?  */
+	je tzname
+	DO_CALL (sysconf, 1)	/* No; use the SCO system call.  */
+	ret
+tzname:	jmp C_SYMBOL_NAME(__tzname_max) /* Yes; bounce to __tzname_max (). */
+
+weak_alias (__sysconf, sysconf)
diff --git a/sysdeps/unix/sysv/sco3.2.4/system.c b/sysdeps/unix/sysv/sco3.2.4/system.c
new file mode 100644
index 0000000000..06dc066b88
--- /dev/null
+++ b/sysdeps/unix/sysv/sco3.2.4/system.c
@@ -0,0 +1,10 @@
+/* SCO has a bug where `waitpid' will never return if SIGCHLD is blocked.
+   They have acknowledged that this is a bug but I have not seen nor heard
+   of any forthcoming fix.  */
+
+#define WAITPID_CANNOT_BLOCK_SIGCHLD
+
+/* SCO 3.2v4 does have `waitpid'.
+   Avoid unix/system.c, which says we don't.  */
+
+#include <sysdeps/posix/system.c>
diff --git a/sysdeps/unix/sysv/sco3.2.4/uname.S b/sysdeps/unix/sysv/sco3.2.4/uname.S
new file mode 100644
index 0000000000..a22d18a3e6
--- /dev/null
+++ b/sysdeps/unix/sysv/sco3.2.4/uname.S
@@ -0,0 +1,42 @@
+/* Copyright (C) 1993, 1994 Free Software Foundation, Inc.
+   Contributed by Scott Bartram.
+
+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., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <sysdep.h>
+
+/* 
+    before lcall, stack contents should be:
+
+	4(%esp) -> name
+	8(%esp) -> unspecified
+	12(%esp) -> 0
+ */
+
+ENTRY (uname)
+	pushl $0x0		/* Push the discriminator flag.  */
+	pushl $0x0		/* Push dummy placeholder.  */
+	pushl 12(%esp,1)	/* Push NAME (ptr to struct utsname)  */
+	subl $0x4, %esp		/* Adjust stack pointer.  */
+	DO_CALL (utssys, 3)
+	jb error		/* Test for error.  */
+	addl $0x10, %esp	/* Adjust the stack pointer.  */
+	xorl %eax, %eax		/* Clear return value.  */
+	ret
+error:	addl $0x10, %esp	/* Adjust the stack pointer.  */
+	jmp syscall_error
diff --git a/sysdeps/unix/sysv/sco3.2.4/waitpid.S b/sysdeps/unix/sysv/sco3.2.4/waitpid.S
new file mode 100644
index 0000000000..523ef37e53
--- /dev/null
+++ b/sysdeps/unix/sysv/sco3.2.4/waitpid.S
@@ -0,0 +1,36 @@
+/* Copyright (C) 1993, 1994, 1995 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., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <sysdep.h>
+
+ENTRY (__waitpid)
+	/* The `waitpid' system call is distinguished from plain
+	   `wait' by setting lots of bits in the processor flags.  */
+	pushfl			/* Push the flags word.  */
+	popl %eax		/* Pop it into the accumulator.  */
+	orl $0x8c4, %eax	/* Set lots of bits.  */
+	pushl %eax		/* Push the new flags word.  */
+	popfl			/* Pop it into the flags.  */
+	DO_CALL (wait, 2)
+	movl 8(%esp), scratch	/* Put status pointer in scratch register.  */
+	testl scratch, scratch	/* Is it non-nil?  */
+	je null
+	movl r1, (scratch)	/* Yes; store the status there.  */
+null:	ret
+
+weak_alias (__waitpid, waitpid)