<spawn.h>: Add missing nonnull attributes and __restrict qualifiers
For consistency with execve, the __argv arguments are not marked nonnull.
This commit is contained in:
Florian Weimer
parent
8692ebdb12
commit
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22
ChangeLog
22
ChangeLog
@ -1,3 +1,25 @@
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2019-02-04 Florian Weimer <fweimer@redhat.com>
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* posix/spawn.h (posix_spawn, posix_spawnp): Add __nonnull attribute.
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(posix_spawnattr_init, posix_spawnattr_destroy): Likewise.
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(posix_spawnattr_getsigdefault, posix_spawnattr_setsigdefault):
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Likewise.
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(posix_spawnattr_getsigmask, posix_spawnattr_setsigmask): Likewise.
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(posix_spawnattr_getflags, posix_spawnattr_setflags): Likewise.
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(posix_spawnattr_getpgroup, posix_spawnattr_setpgroup): Likewise.
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(posix_spawnattr_getschedpolicy, posix_spawnattr_setschedpolicy):
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Likewise.
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(posix_spawnattr_getschedparam, posix_spawnattr_setschedparam):
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Likewise.
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(posix_spawn_file_actions_init, posix_spawn_file_actions_destroy):
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Likewise.
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(posix_spawn_file_actions_addopen): Likewise.
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(posix_spawn_file_actions_addclose): Likewise.
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(posix_spawn_file_actions_adddup2): Likewise.
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(posix_spawn_file_actions_addchdir_np): Likewise. Add __restrict
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qualifiers.
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(posix_spawn_file_actions_addfchdir_np): Likewise.
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2019-02-04 David Newall <glibc@davidnewall.com>
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elf: Implement --preload option for the dynamic linker.
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@ -75,7 +75,8 @@ extern int posix_spawn (pid_t *__restrict __pid,
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__file_actions,
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const posix_spawnattr_t *__restrict __attrp,
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char *const __argv[__restrict_arr],
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char *const __envp[__restrict_arr]);
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char *const __envp[__restrict_arr])
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__nonnull ((2, 5));
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/* Similar to `posix_spawn' but search for FILE in the PATH.
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@ -84,85 +85,97 @@ extern int posix_spawn (pid_t *__restrict __pid,
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extern int posix_spawnp (pid_t *__pid, const char *__file,
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const posix_spawn_file_actions_t *__file_actions,
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const posix_spawnattr_t *__attrp,
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char *const __argv[], char *const __envp[]);
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char *const __argv[], char *const __envp[])
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__nonnull ((2, 5));
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/* Initialize data structure with attributes for `spawn' to default values. */
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extern int posix_spawnattr_init (posix_spawnattr_t *__attr) __THROW;
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extern int posix_spawnattr_init (posix_spawnattr_t *__attr)
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__THROW __nonnull ((1));
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/* Free resources associated with ATTR. */
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extern int posix_spawnattr_destroy (posix_spawnattr_t *__attr) __THROW;
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extern int posix_spawnattr_destroy (posix_spawnattr_t *__attr)
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__THROW __nonnull ((1));
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/* Store signal mask for signals with default handling from ATTR in
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SIGDEFAULT. */
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extern int posix_spawnattr_getsigdefault (const posix_spawnattr_t *
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__restrict __attr,
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sigset_t *__restrict __sigdefault)
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__THROW;
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__THROW __nonnull ((1, 2));
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/* Set signal mask for signals with default handling in ATTR to SIGDEFAULT. */
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extern int posix_spawnattr_setsigdefault (posix_spawnattr_t *__restrict __attr,
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const sigset_t *__restrict
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__sigdefault)
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__THROW;
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__THROW __nonnull ((1, 2));
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/* Store signal mask for the new process from ATTR in SIGMASK. */
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extern int posix_spawnattr_getsigmask (const posix_spawnattr_t *__restrict
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__attr,
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sigset_t *__restrict __sigmask) __THROW;
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sigset_t *__restrict __sigmask)
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__THROW __nonnull ((1, 2));
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/* Set signal mask for the new process in ATTR to SIGMASK. */
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extern int posix_spawnattr_setsigmask (posix_spawnattr_t *__restrict __attr,
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const sigset_t *__restrict __sigmask)
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__THROW;
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__THROW __nonnull ((1, 2));
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/* Get flag word from the attribute structure. */
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extern int posix_spawnattr_getflags (const posix_spawnattr_t *__restrict
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__attr,
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short int *__restrict __flags) __THROW;
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short int *__restrict __flags)
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__THROW __nonnull ((1, 2));
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/* Store flags in the attribute structure. */
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extern int posix_spawnattr_setflags (posix_spawnattr_t *_attr,
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short int __flags) __THROW;
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short int __flags)
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__THROW __nonnull ((1));
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/* Get process group ID from the attribute structure. */
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extern int posix_spawnattr_getpgroup (const posix_spawnattr_t *__restrict
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__attr, pid_t *__restrict __pgroup)
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__THROW;
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__THROW __nonnull ((1, 2));
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/* Store process group ID in the attribute structure. */
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extern int posix_spawnattr_setpgroup (posix_spawnattr_t *__attr,
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pid_t __pgroup) __THROW;
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pid_t __pgroup)
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__THROW __nonnull ((1));
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/* Get scheduling policy from the attribute structure. */
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extern int posix_spawnattr_getschedpolicy (const posix_spawnattr_t *
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__restrict __attr,
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int *__restrict __schedpolicy)
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__THROW;
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__THROW __nonnull ((1, 2));
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/* Store scheduling policy in the attribute structure. */
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extern int posix_spawnattr_setschedpolicy (posix_spawnattr_t *__attr,
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int __schedpolicy) __THROW;
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int __schedpolicy)
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__THROW __nonnull ((1));
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/* Get scheduling parameters from the attribute structure. */
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extern int posix_spawnattr_getschedparam (const posix_spawnattr_t *
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__restrict __attr,
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struct sched_param *__restrict
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__schedparam) __THROW;
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__schedparam)
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__THROW __nonnull ((1, 2));
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/* Store scheduling parameters in the attribute structure. */
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extern int posix_spawnattr_setschedparam (posix_spawnattr_t *__restrict __attr,
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const struct sched_param *
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__restrict __schedparam) __THROW;
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__restrict __schedparam)
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__THROW __nonnull ((1, 2));
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/* Initialize data structure for file attribute for `spawn' call. */
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extern int posix_spawn_file_actions_init (posix_spawn_file_actions_t *
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__file_actions) __THROW;
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__file_actions)
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__THROW __nonnull ((1));
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/* Free resources associated with FILE-ACTIONS. */
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extern int posix_spawn_file_actions_destroy (posix_spawn_file_actions_t *
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__file_actions) __THROW;
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__file_actions)
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__THROW __nonnull ((1));
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/* Add an action to FILE-ACTIONS which tells the implementation to call
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`open' for the given file during the `spawn' call. */
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@ -171,31 +184,35 @@ extern int posix_spawn_file_actions_addopen (posix_spawn_file_actions_t *
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int __fd,
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const char *__restrict __path,
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int __oflag, mode_t __mode)
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__THROW;
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__THROW __nonnull ((1, 3));
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/* Add an action to FILE-ACTIONS which tells the implementation to call
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`close' for the given file descriptor during the `spawn' call. */
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extern int posix_spawn_file_actions_addclose (posix_spawn_file_actions_t *
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__file_actions, int __fd)
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__THROW;
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__THROW __nonnull ((1));
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/* Add an action to FILE-ACTIONS which tells the implementation to call
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`dup2' for the given file descriptors during the `spawn' call. */
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extern int posix_spawn_file_actions_adddup2 (posix_spawn_file_actions_t *
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__file_actions,
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int __fd, int __newfd) __THROW;
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int __fd, int __newfd)
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__THROW __nonnull ((1));
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#ifdef __USE_GNU
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/* Add an action changing the directory to PATH during spawn. This
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affects the subsequent file actions. */
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extern int posix_spawn_file_actions_addchdir_np (posix_spawn_file_actions_t *,
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const char *__path) __THROW;
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extern int posix_spawn_file_actions_addchdir_np (posix_spawn_file_actions_t *
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__restrict __actions,
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const char *__restrict __path)
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__THROW __nonnull ((1, 2));
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/* Add an action changing the directory to FD during spawn. This
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affects the subsequent file actions. FD is not duplicated and must
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be open when the file action is executed. */
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extern int posix_spawn_file_actions_addfchdir_np (posix_spawn_file_actions_t *,
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int __fd) __THROW;
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int __fd)
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__THROW __nonnull ((1));
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#endif
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__END_DECLS
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