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authorUlrich Drepper <drepper@redhat.com>2000-04-15 16:51:16 +0000
committerUlrich Drepper <drepper@redhat.com>2000-04-15 16:51:16 +0000
commita5a6f9262eeffab9f78622258fae306d1bf99d04 (patch)
tree91ca75fd25219ba6b05beb0baf96b01ee60949fc /posix/spawn.h
parentb2d4446fd6d0d51f2c7f3c33805f658f9c7bb6c9 (diff)
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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.
Diffstat (limited to 'posix/spawn.h')
-rw-r--r--posix/spawn.h156
1 files changed, 156 insertions, 0 deletions
diff --git a/posix/spawn.h b/posix/spawn.h
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+++ 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 */