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.

1 files changed, 156 insertions, 0 deletions

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 */