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-rw-r--r--include/spawn.h265
1 files changed, 144 insertions, 121 deletions
diff --git a/include/spawn.h b/include/spawn.h
index 8b07bb800..95fff356f 100644
--- a/include/spawn.h
+++ b/include/spawn.h
@@ -19,36 +19,39 @@
#ifndef _SPAWN_H
#define _SPAWN_H 1
-#include <errno.h>
-#include <string.h>
-#include <stdlib.h>
-
#include <features.h>
#include <sched.h>
#define __need_sigset_t
#include <signal.h>
#include <sys/types.h>
+/* For the tiny inlines (errno/free/memset). */
+#include <errno.h>
+#include <string.h>
+#include <stdlib.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];
+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];
+typedef struct
+{
+ int __allocated;
+ int __used;
+ struct __spawn_action *__actions;
+ int __pad[16];
} posix_spawn_file_actions_t;
@@ -59,7 +62,9 @@ typedef struct {
#define POSIX_SPAWN_SETSIGMASK 0x08
#define POSIX_SPAWN_SETSCHEDPARAM 0x10
#define POSIX_SPAWN_SETSCHEDULER 0x20
-#define POSIX_SPAWN_USEVFORK 0x40 /* GNU extension */
+#ifdef __USE_GNU
+# define POSIX_SPAWN_USEVFORK 0x40
+#endif
#define __POSIX_SPAWN_MASK (POSIX_SPAWN_RESETIDS \
@@ -77,189 +82,207 @@ __BEGIN_DECLS
This function is a possible cancellation point and therefore not
marked with __THROW. */
-int posix_spawn(pid_t * restrict pid, const char * restrict path,
- const posix_spawn_file_actions_t * restrict file_actions,
- const posix_spawnattr_t * restrict attrp,
- char * const argv[restrict],
- char * const envp[restrict]);
+extern int posix_spawn (pid_t *__restrict __pid,
+ const char *__restrict __path,
+ const posix_spawn_file_actions_t *__restrict
+ __file_actions,
+ const posix_spawnattr_t *__restrict __attrp,
+ char *const __argv[__restrict_arr],
+ char *const __envp[__restrict_arr]);
/* Similar to `posix_spawn' but search for FILE in the PATH.
This function is a possible cancellation point and therefore not
marked with __THROW. */
-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[]);
-
-/* Initialize data structure with attributes for `spawn' to default values. */
-inline static int
-posix_spawnattr_init(posix_spawnattr_t *attr)
+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[]);
+
+
+/* Initialize data structure with attributes for `spawn' to default values. */
+static inline
+int posix_spawnattr_init (posix_spawnattr_t *__attr)
{
- memset(attr, 0, sizeof(*attr));
- return 0;
+ memset (__attr, 0, sizeof (*__attr));
+ return 0;
}
/* Free resources associated with ATTR. */
-inline static int
-posix_spawnattr_destroy(posix_spawnattr_t *attr)
+static inline
+int posix_spawnattr_destroy (posix_spawnattr_t *__attr)
{
- return 0;
+ return 0;
}
/* Store signal mask for signals with default handling from ATTR in
SIGDEFAULT. */
-inline static int
-posix_spawnattr_getsigdefault(const posix_spawnattr_t *attr,
- sigset_t *sigdefault)
+static inline
+int posix_spawnattr_getsigdefault (const posix_spawnattr_t *
+ __restrict __attr,
+ sigset_t *__restrict __sigdefault)
{
- memcpy(sigdefault, &attr->__sd, sizeof(sigset_t));
- return 0;
+ memcpy (__sigdefault, &__attr->__sd, sizeof (sigset_t));
+ return 0;
}
-
/* Set signal mask for signals with default handling in ATTR to SIGDEFAULT. */
-inline static int
-posix_spawnattr_setsigdefault(posix_spawnattr_t *attr,
- const sigset_t *sigdefault)
+static inline
+int posix_spawnattr_setsigdefault (posix_spawnattr_t *__restrict __attr,
+ const sigset_t *__restrict
+ __sigdefault)
{
- memcpy(&attr->__sd, sigdefault, sizeof(sigset_t));
- return 0;
+ memcpy (&__attr->__sd, __sigdefault, sizeof (sigset_t));
+ return 0;
}
/* Store signal mask for the new process from ATTR in SIGMASK. */
-inline static int
-posix_spawnattr_getsigmask(const posix_spawnattr_t *attr,
- sigset_t *sigmask)
+static inline
+int posix_spawnattr_getsigmask (const posix_spawnattr_t *__restrict
+ __attr,
+ sigset_t *__restrict __sigmask)
{
- memcpy(sigmask, &attr->__ss, sizeof(sigset_t));
- return 0;
+ memcpy (__sigmask, &__attr->__ss, sizeof (sigset_t));
+ return 0;
}
-
/* Set signal mask for the new process in ATTR to SIGMASK. */
-inline static int
-posix_spawnattr_setsigmask(posix_spawnattr_t *attr,
- const sigset_t *sigmask)
+static inline
+int posix_spawnattr_setsigmask (posix_spawnattr_t *__restrict __attr,
+ const sigset_t *__restrict __sigmask)
{
- memcpy(&attr->__ss, sigmask, sizeof(sigset_t));
- return 0;
+ memcpy (&__attr->__ss, __sigmask, sizeof (sigset_t));
+ return 0;
}
/* Get flag word from the attribute structure. */
-inline static int
-posix_spawnattr_getflags(const posix_spawnattr_t *attr, short int *flags)
+static inline
+int posix_spawnattr_getflags (const posix_spawnattr_t *__restrict
+ __attr,
+ short int *__restrict __flags)
{
- *flags = attr->__flags;
- return 0;
+ *__flags = __attr->__flags;
+ return 0;
}
/* Store flags in the attribute structure. */
-inline static int
-posix_spawnattr_setflags(posix_spawnattr_t *attr, short int flags)
+static inline
+int posix_spawnattr_setflags (posix_spawnattr_t *_attr,
+ short int __flags)
{
- /* Check no invalid bits are set. */
- if (flags & ~__POSIX_SPAWN_MASK)
- return EINVAL;
+ /* Check no invalid bits are set. */
+ if (__flags & ~__POSIX_SPAWN_MASK)
+ return EINVAL;
- attr->__flags = flags;
- return 0;
+ _attr->__flags = __flags;
+ return 0;
}
/* Get process group ID from the attribute structure. */
-inline static int
-posix_spawnattr_getpgroup(const posix_spawnattr_t *attr, pid_t *pgroup)
+static inline
+int posix_spawnattr_getpgroup (const posix_spawnattr_t *__restrict
+ __attr, pid_t *__restrict __pgroup)
{
- *pgroup = attr->__pgrp;
- return 0;
+ *__pgroup = __attr->__pgrp;
+ return 0;
}
/* Store process group ID in the attribute structure. */
-inline static int
-posix_spawnattr_setpgroup(posix_spawnattr_t *attr, pid_t pgroup)
+static inline
+int posix_spawnattr_setpgroup (posix_spawnattr_t *__attr,
+ pid_t __pgroup)
{
- attr->__pgrp = pgroup;
- return 0;
+ __attr->__pgrp = __pgroup;
+ return 0;
}
/* Get scheduling policy from the attribute structure. */
-inline static int
-posix_spawnattr_getschedpolicy(const posix_spawnattr_t *attr,
- int *schedpolicy)
+static inline
+int posix_spawnattr_getschedpolicy (const posix_spawnattr_t *
+ __restrict __attr,
+ int *__restrict __schedpolicy)
{
- *schedpolicy = attr->__policy;
- return 0;
+ *__schedpolicy = __attr->__policy;
+ return 0;
}
/* Store scheduling policy in the attribute structure. */
-inline static int
-posix_spawnattr_setschedpolicy(posix_spawnattr_t *attr, int schedpolicy)
+static inline
+int posix_spawnattr_setschedpolicy (posix_spawnattr_t *__attr,
+ int __schedpolicy)
{
- switch (schedpolicy) {
- case SCHED_OTHER:
- case SCHED_FIFO:
- case SCHED_RR:
- break;
- default:
- return EINVAL;
- }
-
- attr->__policy = schedpolicy;
- return 0;
+ switch (__schedpolicy) {
+ case SCHED_OTHER:
+ case SCHED_FIFO:
+ case SCHED_RR:
+ break;
+ default:
+ return EINVAL;
+ }
+
+ __attr->__policy = __schedpolicy;
+ return 0;
}
/* Get scheduling parameters from the attribute structure. */
-static inline int
-posix_spawnattr_getschedparam(const posix_spawnattr_t *attr,
- struct sched_param *schedparam)
+static inline
+int posix_spawnattr_getschedparam (const posix_spawnattr_t *
+ __restrict __attr,
+ struct sched_param *__restrict
+ __schedparam)
{
- memcpy(schedparam, &attr->__sp, sizeof(attr->__sp));
- return 0;
+ memcpy (__schedparam, &__attr->__sp, sizeof (__attr->__sp));
+ return 0;
}
/* Store scheduling parameters in the attribute structure. */
-static inline int
-posix_spawnattr_setschedparam(posix_spawnattr_t *attr,
- const struct sched_param *schedparam)
+static inline
+int posix_spawnattr_setschedparam (posix_spawnattr_t *__restrict __attr,
+ const struct sched_param *
+ __restrict __schedparam)
{
- attr->__sp = *schedparam;
- return 0;
+ __attr->__sp = *__schedparam;
+ return 0;
}
/* Initialize data structure for file attribute for `spawn' call. */
-inline static int
-posix_spawn_file_actions_init(posix_spawn_file_actions_t *file_actions)
+static inline
+int posix_spawn_file_actions_init (posix_spawn_file_actions_t *
+ __file_actions)
{
- memset(file_actions, 0, sizeof(*file_actions));
- return 0;
+ memset (__file_actions, 0, sizeof (*__file_actions));
+ return 0;
}
/* Free resources associated with FILE-ACTIONS. */
-inline static int
-posix_spawn_file_actions_destroy(posix_spawn_file_actions_t *file_actions)
+static inline
+int posix_spawn_file_actions_destroy (posix_spawn_file_actions_t *
+ __file_actions)
{
- free(file_actions->__actions);
- return 0;
+ free (__file_actions->__actions);
+ return 0;
}
/* Add an action to FILE-ACTIONS which tells the implementation to call
`open' for the given file during the `spawn' call. */
-int posix_spawn_file_actions_addopen(posix_spawn_file_actions_t * restrict
- file_actions, int fd,
- const char * restrict path,
- int oflag, mode_t mode)
+extern int posix_spawn_file_actions_addopen (posix_spawn_file_actions_t *
+ __restrict __file_actions,
+ int __fd,
+ const char *__restrict __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. */
-int posix_spawn_file_actions_addclose(posix_spawn_file_actions_t *file_actions,
- int fd)
+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. */
-int posix_spawn_file_actions_adddup2(posix_spawn_file_actions_t *file_actions,
- int fd, int newfd) __THROW;
+extern int posix_spawn_file_actions_adddup2 (posix_spawn_file_actions_t *
+ __file_actions,
+ int __fd, int __newfd) __THROW;
__END_DECLS