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[apple/xnu.git] / libsyscall / wrappers / spawn / spawn.h
diff --git a/libsyscall/wrappers/spawn/spawn.h b/libsyscall/wrappers/spawn/spawn.h
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+/*
+ * Copyright (c) 2006, 2010 Apple Inc. All rights reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ * 
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ * 
+ * @APPLE_LICENSE_HEADER_END@
+ */
+
+
+#ifndef        _SPAWN_H_
+#define        _SPAWN_H_
+
+/*
+ * [SPN] Support for _POSIX_SPAWN
+ */
+
+#include <sys/cdefs.h> 
+#include <_types.h>
+#include <sys/spawn.h> /* shared types */
+
+#include <Availability.h>
+
+/*
+ * [SPN] Inclusion of the <spawn.h> header may make visible symbols defined
+ * in the <sched.h>, <signal.h>, and <sys/types.h> headers.
+ */
+#include <sys/_types/_pid_t.h>
+#include <sys/_types/_sigset_t.h>
+#include <sys/_types/_mode_t.h>
+
+/*
+ * Opaque types for use with posix_spawn() family functions.  Internals are
+ * not defined, and should not be accessed directly.  Types are defined as
+ * mandated by POSIX.
+ */
+typedef  void *posix_spawnattr_t;
+typedef  void *posix_spawn_file_actions_t;
+
+__BEGIN_DECLS
+/*
+ * gcc under c99 mode won't compile "[ __restrict]" by itself.  As a workaround,
+ * a dummy argument name is added.
+ */
+int    posix_spawn(pid_t * __restrict, const char * __restrict,
+               const posix_spawn_file_actions_t *,
+               const posix_spawnattr_t * __restrict,
+               char *const __argv[ __restrict],
+               char *const __envp[ __restrict]) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_2_0);
+int    posix_spawnp(pid_t * __restrict, const char * __restrict,
+               const posix_spawn_file_actions_t *,
+               const posix_spawnattr_t * __restrict,
+               char *const __argv[ __restrict],
+               char *const __envp[ __restrict]) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_2_0);
+int    posix_spawn_file_actions_addclose(posix_spawn_file_actions_t *, int) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_2_0);
+int    posix_spawn_file_actions_adddup2(posix_spawn_file_actions_t *, int,
+               int) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_2_0);
+int    posix_spawn_file_actions_addopen(
+               posix_spawn_file_actions_t * __restrict, int,
+               const char * __restrict, int, mode_t) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_2_0);
+int    posix_spawn_file_actions_destroy(posix_spawn_file_actions_t *) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_2_0);
+int    posix_spawn_file_actions_init(posix_spawn_file_actions_t *) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_2_0);
+int    posix_spawnattr_destroy(posix_spawnattr_t *) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_2_0);
+int    posix_spawnattr_getsigdefault(const posix_spawnattr_t * __restrict,
+               sigset_t * __restrict) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_2_0);
+int    posix_spawnattr_getflags(const posix_spawnattr_t * __restrict,
+               short * __restrict) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_2_0);
+int    posix_spawnattr_getpgroup(const posix_spawnattr_t * __restrict,
+               pid_t * __restrict) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_2_0);
+int    posix_spawnattr_getsigmask(const posix_spawnattr_t * __restrict,
+               sigset_t * __restrict) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_2_0);
+int    posix_spawnattr_init(posix_spawnattr_t *) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_2_0);
+int    posix_spawnattr_setsigdefault(posix_spawnattr_t * __restrict,
+               const sigset_t * __restrict) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_2_0);
+int    posix_spawnattr_setflags(posix_spawnattr_t *, short) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_2_0);
+int    posix_spawnattr_setpgroup(posix_spawnattr_t *, pid_t) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_2_0);
+int    posix_spawnattr_setsigmask(posix_spawnattr_t * __restrict,
+               const sigset_t * __restrict) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_2_0);
+
+#if 0  /* _POSIX_PRIORITY_SCHEDULING [PS] : not supported */
+int    posix_spawnattr_setschedparam(posix_spawnattr_t * __restrict,
+               const struct sched_param * __restrict);
+int    posix_spawnattr_setschedpolicy(posix_spawnattr_t *, int);
+int    posix_spawnattr_getschedparam(const posix_spawnattr_t * __restrict,
+               struct sched_param * __restrict);
+int    posix_spawnattr_getschedpolicy(const posix_spawnattr_t * __restrict,
+               int * __restrict);
+#endif /* 0 */
+
+__END_DECLS
+
+#if    !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
+/*
+ * Darwin-specific extensions below
+ */
+#include <mach/exception_types.h>
+#include <mach/machine.h>
+#include <mach/port.h>
+
+#include <sys/_types/_size_t.h>
+
+__BEGIN_DECLS
+
+int    posix_spawnattr_getbinpref_np(const posix_spawnattr_t * __restrict,
+               size_t, cpu_type_t *__restrict, size_t *__restrict) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_2_0);
+int    posix_spawnattr_setauditsessionport_np(posix_spawnattr_t *__restrict,
+               mach_port_t) __OSX_AVAILABLE_STARTING(__MAC_10_6, __IPHONE_3_2);
+int    posix_spawnattr_setbinpref_np(posix_spawnattr_t * __restrict,
+               size_t, cpu_type_t *__restrict, size_t *__restrict) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_2_0);
+int    posix_spawnattr_setexceptionports_np(posix_spawnattr_t *__restrict,
+               exception_mask_t, mach_port_t,
+               exception_behavior_t, thread_state_flavor_t) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_2_0);
+int    posix_spawnattr_setspecialport_np(posix_spawnattr_t *__restrict,
+               mach_port_t, int) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_2_0);
+int    posix_spawn_file_actions_addinherit_np(posix_spawn_file_actions_t *,
+               int) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3);
+
+__END_DECLS
+
+#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
+#endif /* _SPAWN_H_ */