254 lines
9.3 KiB
Diff
254 lines
9.3 KiB
Diff
commit 2a973ab7f1a6f6cd9be1c7257fd7b5d331515eab
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Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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Date: Wed Sep 12 10:30:46 2018 -0300
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posix: Add internal symbols for posix_spawn interface
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This patch adds internal hidden definition for mostly of the posix_spawn
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function so it can be used internally on both popen and system
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implementations.
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Checked on x86_64-linux-gnu.
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* include/spawn.h (__posix_spawn, posix_spawn_file_actions_addclose,
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__posix_spawn_file_actions_adddup2, __posix_spawn_file_actions_destroy,
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__posix_spawn_file_actions_init, __posix_spawnattr_init,
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__posix_spawnattr_destroy, __posix_spawnattr_setflags,
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__posix_spawnattr_setsigdefault, __posix_spawnattr_setsigmask): New
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prototype.
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* posix/spawn.c (__posix_spawn): Add libc_hidden_def.
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* posix/spawn_faction_addclose.c
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(__posix_spawn_file_actions_addclose): Add hidden definition.
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* posix/spawn_faction_adddup2.c
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(__posix_spawn_file_actions_adddup2): Likewise.
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* posix/spawn_faction_destroy.c
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(__posix_spawn_file_actions_destroy): Likewise.
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* posix/spawn_faction_init.c (__posix_spawn_file_actions_init):
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Likewise.
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* posix/spawnattr_destroy.c (__posix_spawnattr_destroy): Likewise.
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* posix/spawnattr_init.c (__posix_spawnattr_init): Likewise.
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* posix/spawnattr_setdefault.c (__posix_spawnattr_setsigdefault):
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Likewise.
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* posix/spawnattr_setflags.c (__posix_spawnattr_setflags): Likewise.
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* posix/spawnattr_setsigmask.c (__posix_spawnattr_setsigmask):
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Likewise.
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diff --git a/include/spawn.h b/include/spawn.h
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index a6c7a8adc361927e..7fdd965bd780f8de 100644
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--- a/include/spawn.h
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+++ b/include/spawn.h
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@@ -1 +1,36 @@
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+#ifndef _SPAWN_H
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#include <posix/spawn.h>
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+
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+# ifndef _ISOMAC
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+__typeof (posix_spawn) __posix_spawn;
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+libc_hidden_proto (__posix_spawn)
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+
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+__typeof (posix_spawn_file_actions_addclose)
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+ __posix_spawn_file_actions_addclose attribute_hidden;
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+
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+__typeof (posix_spawn_file_actions_adddup2)
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+ __posix_spawn_file_actions_adddup2 attribute_hidden;
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+
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+__typeof (posix_spawn_file_actions_destroy)
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+ __posix_spawn_file_actions_destroy attribute_hidden;
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+
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+__typeof (posix_spawn_file_actions_init) __posix_spawn_file_actions_init
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+ attribute_hidden;
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+
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+__typeof (posix_spawnattr_init) __posix_spawnattr_init
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+ attribute_hidden;
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+
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+__typeof (posix_spawnattr_destroy) __posix_spawnattr_destroy
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+ attribute_hidden;
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+
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+__typeof (posix_spawnattr_setflags) __posix_spawnattr_setflags
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+ attribute_hidden;
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+
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+__typeof (posix_spawnattr_setsigdefault) __posix_spawnattr_setsigdefault
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+ attribute_hidden;
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+
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+__typeof (posix_spawnattr_setsigmask) __posix_spawnattr_setsigmask
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+ attribute_hidden;
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+
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+# endif /* !_ISOMAC */
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+#endif /* spawn.h */
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diff --git a/posix/spawn.c b/posix/spawn.c
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index 51f67b2755bd4949..a82f1c84e299f018 100644
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--- a/posix/spawn.c
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+++ b/posix/spawn.c
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@@ -30,6 +30,7 @@ __posix_spawn (pid_t *pid, const char *path,
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return __spawni (pid, path, file_actions, attrp, argv, envp, 0);
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}
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versioned_symbol (libc, __posix_spawn, posix_spawn, GLIBC_2_15);
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+libc_hidden_def (__posix_spawn)
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#if SHLIB_COMPAT (libc, GLIBC_2_2, GLIBC_2_15)
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diff --git a/posix/spawn_faction_addclose.c b/posix/spawn_faction_addclose.c
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index 21081e19b55db44c..e1fafe438cf15c91 100644
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--- a/posix/spawn_faction_addclose.c
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+++ b/posix/spawn_faction_addclose.c
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@@ -24,8 +24,8 @@
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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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int
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-posix_spawn_file_actions_addclose (posix_spawn_file_actions_t *file_actions,
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- int fd)
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+__posix_spawn_file_actions_addclose (posix_spawn_file_actions_t *file_actions,
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+ int fd)
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{
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struct __spawn_action *rec;
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@@ -48,3 +48,5 @@ posix_spawn_file_actions_addclose (posix_spawn_file_actions_t *file_actions,
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return 0;
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}
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+weak_alias (__posix_spawn_file_actions_addclose,
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+ posix_spawn_file_actions_addclose)
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diff --git a/posix/spawn_faction_adddup2.c b/posix/spawn_faction_adddup2.c
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index 363bc29ae502bd60..371b1de3e6f1979a 100644
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--- a/posix/spawn_faction_adddup2.c
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+++ b/posix/spawn_faction_adddup2.c
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@@ -24,8 +24,8 @@
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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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int
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-posix_spawn_file_actions_adddup2 (posix_spawn_file_actions_t *file_actions,
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- int fd, int newfd)
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+__posix_spawn_file_actions_adddup2 (posix_spawn_file_actions_t *file_actions,
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+ int fd, int newfd)
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{
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struct __spawn_action *rec;
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@@ -49,3 +49,5 @@ posix_spawn_file_actions_adddup2 (posix_spawn_file_actions_t *file_actions,
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return 0;
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}
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+weak_alias (__posix_spawn_file_actions_adddup2,
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+ posix_spawn_file_actions_adddup2)
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diff --git a/posix/spawn_faction_destroy.c b/posix/spawn_faction_destroy.c
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index 46061ee3473d4475..2a2de4e41d6bd6d0 100644
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--- a/posix/spawn_faction_destroy.c
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+++ b/posix/spawn_faction_destroy.c
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@@ -22,7 +22,7 @@
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/* Deallocate the file actions. */
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int
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-posix_spawn_file_actions_destroy (posix_spawn_file_actions_t *file_actions)
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+__posix_spawn_file_actions_destroy (posix_spawn_file_actions_t *file_actions)
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{
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/* Free the paths in the open actions. */
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for (int i = 0; i < file_actions->__used; ++i)
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@@ -44,3 +44,5 @@ posix_spawn_file_actions_destroy (posix_spawn_file_actions_t *file_actions)
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free (file_actions->__actions);
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return 0;
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}
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+weak_alias (__posix_spawn_file_actions_destroy,
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+ posix_spawn_file_actions_destroy)
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diff --git a/posix/spawn_faction_init.c b/posix/spawn_faction_init.c
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index ddb42e6a77ba41ec..98432067c645021e 100644
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--- a/posix/spawn_faction_init.c
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+++ b/posix/spawn_faction_init.c
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@@ -45,9 +45,10 @@ __posix_spawn_file_actions_realloc (posix_spawn_file_actions_t *file_actions)
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/* Initialize data structure for file attribute for `spawn' call. */
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int
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-posix_spawn_file_actions_init (posix_spawn_file_actions_t *file_actions)
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+__posix_spawn_file_actions_init (posix_spawn_file_actions_t *file_actions)
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{
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/* Simply clear all the elements. */
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memset (file_actions, '\0', sizeof (*file_actions));
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return 0;
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}
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+weak_alias (__posix_spawn_file_actions_init, posix_spawn_file_actions_init)
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diff --git a/posix/spawnattr_destroy.c b/posix/spawnattr_destroy.c
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index 603e00fffefae2bf..043386778588913a 100644
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--- a/posix/spawnattr_destroy.c
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+++ b/posix/spawnattr_destroy.c
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@@ -19,8 +19,9 @@
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/* Initialize data structure for file attribute for `spawn' call. */
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int
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-posix_spawnattr_destroy (posix_spawnattr_t *attr)
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+__posix_spawnattr_destroy (posix_spawnattr_t *attr)
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{
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/* Nothing to do in the moment. */
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return 0;
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}
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+weak_alias (__posix_spawnattr_destroy, posix_spawnattr_destroy)
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diff --git a/posix/spawnattr_init.c b/posix/spawnattr_init.c
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index bab464e62bdf7889..4e1218ab44e3f779 100644
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--- a/posix/spawnattr_init.c
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+++ b/posix/spawnattr_init.c
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@@ -20,7 +20,7 @@
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/* Initialize data structure for file attribute for `spawn' call. */
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int
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-posix_spawnattr_init (posix_spawnattr_t *attr)
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+__posix_spawnattr_init (posix_spawnattr_t *attr)
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{
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/* All elements have to be initialized to the default values which
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is generally zero. */
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@@ -28,3 +28,4 @@ posix_spawnattr_init (posix_spawnattr_t *attr)
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return 0;
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}
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+weak_alias (__posix_spawnattr_init, posix_spawnattr_init)
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diff --git a/posix/spawnattr_setdefault.c b/posix/spawnattr_setdefault.c
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index c77cda59be3dda20..174bcfa423dc5666 100644
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--- a/posix/spawnattr_setdefault.c
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+++ b/posix/spawnattr_setdefault.c
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@@ -20,11 +20,12 @@
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/* Set signal mask for signals with default handling in ATTR to SIGDEFAULT. */
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int
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-posix_spawnattr_setsigdefault (posix_spawnattr_t *attr,
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- const sigset_t *sigdefault)
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+__posix_spawnattr_setsigdefault (posix_spawnattr_t *attr,
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+ const sigset_t *sigdefault)
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{
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/* Copy the sigset_t data to the user buffer. */
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memcpy (&attr->__sd, sigdefault, sizeof (sigset_t));
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return 0;
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}
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+weak_alias (__posix_spawnattr_setsigdefault, posix_spawnattr_setsigdefault)
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diff --git a/posix/spawnattr_setflags.c b/posix/spawnattr_setflags.c
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index cf9a60181dc91ccd..0a42e94770224a94 100644
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--- a/posix/spawnattr_setflags.c
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+++ b/posix/spawnattr_setflags.c
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@@ -30,7 +30,7 @@
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/* Store flags in the attribute structure. */
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int
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-posix_spawnattr_setflags (posix_spawnattr_t *attr, short int flags)
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+__posix_spawnattr_setflags (posix_spawnattr_t *attr, short int flags)
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{
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/* Check no invalid bits are set. */
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if (flags & ~ALL_FLAGS)
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@@ -41,3 +41,4 @@ posix_spawnattr_setflags (posix_spawnattr_t *attr, short int flags)
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return 0;
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}
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+weak_alias (__posix_spawnattr_setflags, posix_spawnattr_setflags)
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diff --git a/posix/spawnattr_setsigmask.c b/posix/spawnattr_setsigmask.c
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index 7ae81ad47025db6f..12c0111af441dd13 100644
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--- a/posix/spawnattr_setsigmask.c
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+++ b/posix/spawnattr_setsigmask.c
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@@ -20,7 +20,7 @@
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/* Set signal mask for the new process in ATTR to SIGMASK. */
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int
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-posix_spawnattr_setsigmask (posix_spawnattr_t *attr,
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+__posix_spawnattr_setsigmask (posix_spawnattr_t *attr,
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const sigset_t *sigmask)
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{
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/* Copy the sigset_t data to the user buffer. */
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@@ -28,3 +28,4 @@ posix_spawnattr_setsigmask (posix_spawnattr_t *attr,
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return 0;
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}
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+weak_alias (__posix_spawnattr_setsigmask, posix_spawnattr_setsigmask)
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