From patchwork Sat Sep 15 15:16:20 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Adhemerval Zanella Netto X-Patchwork-Id: 29394 Received: (qmail 88678 invoked by alias); 15 Sep 2018 15:18:10 -0000 Mailing-List: contact libc-alpha-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: libc-alpha-owner@sourceware.org Delivered-To: mailing list libc-alpha@sourceware.org Received: (qmail 88652 invoked by uid 89); 15 Sep 2018 15:18:08 -0000 Authentication-Results: sourceware.org; auth=none X-Spam-SWARE-Status: No, score=-25.7 required=5.0 tests=AWL, BAYES_00, GIT_PATCH_0, GIT_PATCH_1, GIT_PATCH_2, GIT_PATCH_3, RCVD_IN_DNSWL_NONE, SPF_PASS autolearn=ham version=3.3.2 spammy=Simply, actions X-HELO: mail-qt0-f193.google.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:subject:date:message-id; bh=lR7VB5qhzYZD6omRXeaqcyqB7PBTkc3xa6SA+usFC+I=; b=f3Tc5EbbrGCrrjqgz/mAW2FFv6D62yBi3Eb0W7cZ4Qctbeu8Uce3gjM7a3MVO709PM cDm+hwkJEeRy9q6CYYkb4CPOyo9IuhMzDVadKcgJ/GhtLv7f8lNZINDyMGWFd5QcfNe7 cT40D4Obz+EGu4suqoUuP3PcF084vDv7t+hIo= Return-Path: From: Adhemerval Zanella To: libc-alpha@sourceware.org Subject: [PATCH 1/3] posix: Add internal symbols for posix_spawn interface Date: Sat, 15 Sep 2018 12:16:20 -0300 Message-Id: <20180915151622.17789-1-adhemerval.zanella@linaro.org> This patch adds internal hidden definition for mostly of the posix_spawn function so it can be used internally on both popen and system implementations. Checked on x86_64-linux-gnu. * include/spawn.h (__posix_spawn, posix_spawn_file_actions_addclose, __posix_spawn_file_actions_adddup2, __posix_spawn_file_actions_destroy, __posix_spawn_file_actions_init, __posix_spawnattr_init, __posix_spawnattr_destroy, __posix_spawnattr_setflags, __posix_spawnattr_setsigdefault, __posix_spawnattr_setsigmask): New prototype. * posix/spawn.c (__posix_spawn): Add libc_hidden_def. * posix/spawn_faction_addclose.c (__posix_spawn_file_actions_addclose): Add hidden definition. * posix/spawn_faction_adddup2.c (__posix_spawn_file_actions_adddup2): Likewise. * posix/spawn_faction_destroy.c (__posix_spawn_file_actions_destroy): Likewise. * posix/spawn_faction_init.c (__posix_spawn_file_actions_init): Likewise. * posix/spawnattr_destroy.c (__posix_spawnattr_destroy): Likewise. * posix/spawnattr_init.c (__posix_spawnattr_init): Likewise. * posix/spawnattr_setdefault.c (__posix_spawnattr_setsigdefault): Likewise. * posix/spawnattr_setflags.c (__posix_spawnattr_setflags): Likewise. * posix/spawnattr_setsigmask.c (__posix_spawnattr_setsigmask): Likewise. --- ChangeLog | 25 ++++++++++++++++++++++++ include/spawn.h | 35 ++++++++++++++++++++++++++++++++++ posix/spawn.c | 1 + posix/spawn_faction_addclose.c | 6 ++++-- posix/spawn_faction_adddup2.c | 6 ++++-- posix/spawn_faction_destroy.c | 4 +++- posix/spawn_faction_init.c | 3 ++- posix/spawnattr_destroy.c | 3 ++- posix/spawnattr_init.c | 3 ++- posix/spawnattr_setdefault.c | 5 +++-- posix/spawnattr_setflags.c | 3 ++- posix/spawnattr_setsigmask.c | 3 ++- 12 files changed, 85 insertions(+), 12 deletions(-) diff --git a/include/spawn.h b/include/spawn.h index a6c7a8adc3..7fdd965bd7 100644 --- a/include/spawn.h +++ b/include/spawn.h @@ -1 +1,36 @@ +#ifndef _SPAWN_H #include + +# ifndef _ISOMAC +__typeof (posix_spawn) __posix_spawn; +libc_hidden_proto (__posix_spawn) + +__typeof (posix_spawn_file_actions_addclose) + __posix_spawn_file_actions_addclose attribute_hidden; + +__typeof (posix_spawn_file_actions_adddup2) + __posix_spawn_file_actions_adddup2 attribute_hidden; + +__typeof (posix_spawn_file_actions_destroy) + __posix_spawn_file_actions_destroy attribute_hidden; + +__typeof (posix_spawn_file_actions_init) __posix_spawn_file_actions_init + attribute_hidden; + +__typeof (posix_spawnattr_init) __posix_spawnattr_init + attribute_hidden; + +__typeof (posix_spawnattr_destroy) __posix_spawnattr_destroy + attribute_hidden; + +__typeof (posix_spawnattr_setflags) __posix_spawnattr_setflags + attribute_hidden; + +__typeof (posix_spawnattr_setsigdefault) __posix_spawnattr_setsigdefault + attribute_hidden; + +__typeof (posix_spawnattr_setsigmask) __posix_spawnattr_setsigmask + attribute_hidden; + +# endif /* !_ISOMAC */ +#endif /* spawn.h */ diff --git a/posix/spawn.c b/posix/spawn.c index 51f67b2755..a82f1c84e2 100644 --- a/posix/spawn.c +++ b/posix/spawn.c @@ -30,6 +30,7 @@ __posix_spawn (pid_t *pid, const char *path, return __spawni (pid, path, file_actions, attrp, argv, envp, 0); } versioned_symbol (libc, __posix_spawn, posix_spawn, GLIBC_2_15); +libc_hidden_def (__posix_spawn) #if SHLIB_COMPAT (libc, GLIBC_2_2, GLIBC_2_15) diff --git a/posix/spawn_faction_addclose.c b/posix/spawn_faction_addclose.c index 21081e19b5..e1fafe438c 100644 --- a/posix/spawn_faction_addclose.c +++ b/posix/spawn_faction_addclose.c @@ -24,8 +24,8 @@ /* 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) +__posix_spawn_file_actions_addclose (posix_spawn_file_actions_t *file_actions, + int fd) { struct __spawn_action *rec; @@ -48,3 +48,5 @@ posix_spawn_file_actions_addclose (posix_spawn_file_actions_t *file_actions, return 0; } +weak_alias (__posix_spawn_file_actions_addclose, + posix_spawn_file_actions_addclose) diff --git a/posix/spawn_faction_adddup2.c b/posix/spawn_faction_adddup2.c index 363bc29ae5..371b1de3e6 100644 --- a/posix/spawn_faction_adddup2.c +++ b/posix/spawn_faction_adddup2.c @@ -24,8 +24,8 @@ /* 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) +__posix_spawn_file_actions_adddup2 (posix_spawn_file_actions_t *file_actions, + int fd, int newfd) { struct __spawn_action *rec; @@ -49,3 +49,5 @@ posix_spawn_file_actions_adddup2 (posix_spawn_file_actions_t *file_actions, return 0; } +weak_alias (__posix_spawn_file_actions_adddup2, + posix_spawn_file_actions_adddup2) diff --git a/posix/spawn_faction_destroy.c b/posix/spawn_faction_destroy.c index 46061ee347..2a2de4e41d 100644 --- a/posix/spawn_faction_destroy.c +++ b/posix/spawn_faction_destroy.c @@ -22,7 +22,7 @@ /* Deallocate the file actions. */ int -posix_spawn_file_actions_destroy (posix_spawn_file_actions_t *file_actions) +__posix_spawn_file_actions_destroy (posix_spawn_file_actions_t *file_actions) { /* Free the paths in the open actions. */ for (int i = 0; i < file_actions->__used; ++i) @@ -44,3 +44,5 @@ posix_spawn_file_actions_destroy (posix_spawn_file_actions_t *file_actions) free (file_actions->__actions); return 0; } +weak_alias (__posix_spawn_file_actions_destroy, + posix_spawn_file_actions_destroy) diff --git a/posix/spawn_faction_init.c b/posix/spawn_faction_init.c index ddb42e6a77..98432067c6 100644 --- a/posix/spawn_faction_init.c +++ b/posix/spawn_faction_init.c @@ -45,9 +45,10 @@ __posix_spawn_file_actions_realloc (posix_spawn_file_actions_t *file_actions) /* Initialize data structure for file attribute for `spawn' call. */ int -posix_spawn_file_actions_init (posix_spawn_file_actions_t *file_actions) +__posix_spawn_file_actions_init (posix_spawn_file_actions_t *file_actions) { /* Simply clear all the elements. */ memset (file_actions, '\0', sizeof (*file_actions)); return 0; } +weak_alias (__posix_spawn_file_actions_init, posix_spawn_file_actions_init) diff --git a/posix/spawnattr_destroy.c b/posix/spawnattr_destroy.c index 603e00fffe..0433867785 100644 --- a/posix/spawnattr_destroy.c +++ b/posix/spawnattr_destroy.c @@ -19,8 +19,9 @@ /* Initialize data structure for file attribute for `spawn' call. */ int -posix_spawnattr_destroy (posix_spawnattr_t *attr) +__posix_spawnattr_destroy (posix_spawnattr_t *attr) { /* Nothing to do in the moment. */ return 0; } +weak_alias (__posix_spawnattr_destroy, posix_spawnattr_destroy) diff --git a/posix/spawnattr_init.c b/posix/spawnattr_init.c index bab464e62b..4e1218ab44 100644 --- a/posix/spawnattr_init.c +++ b/posix/spawnattr_init.c @@ -20,7 +20,7 @@ /* Initialize data structure for file attribute for `spawn' call. */ int -posix_spawnattr_init (posix_spawnattr_t *attr) +__posix_spawnattr_init (posix_spawnattr_t *attr) { /* All elements have to be initialized to the default values which is generally zero. */ @@ -28,3 +28,4 @@ posix_spawnattr_init (posix_spawnattr_t *attr) return 0; } +weak_alias (__posix_spawnattr_init, posix_spawnattr_init) diff --git a/posix/spawnattr_setdefault.c b/posix/spawnattr_setdefault.c index c77cda59be..174bcfa423 100644 --- a/posix/spawnattr_setdefault.c +++ b/posix/spawnattr_setdefault.c @@ -20,11 +20,12 @@ /* Set signal mask for signals with default handling in ATTR to SIGDEFAULT. */ int -posix_spawnattr_setsigdefault (posix_spawnattr_t *attr, - const sigset_t *sigdefault) +__posix_spawnattr_setsigdefault (posix_spawnattr_t *attr, + const sigset_t *sigdefault) { /* Copy the sigset_t data to the user buffer. */ memcpy (&attr->__sd, sigdefault, sizeof (sigset_t)); return 0; } +weak_alias (__posix_spawnattr_setsigdefault, posix_spawnattr_setsigdefault) diff --git a/posix/spawnattr_setflags.c b/posix/spawnattr_setflags.c index cf9a60181d..0a42e94770 100644 --- a/posix/spawnattr_setflags.c +++ b/posix/spawnattr_setflags.c @@ -30,7 +30,7 @@ /* Store flags in the attribute structure. */ int -posix_spawnattr_setflags (posix_spawnattr_t *attr, short int flags) +__posix_spawnattr_setflags (posix_spawnattr_t *attr, short int flags) { /* Check no invalid bits are set. */ if (flags & ~ALL_FLAGS) @@ -41,3 +41,4 @@ posix_spawnattr_setflags (posix_spawnattr_t *attr, short int flags) return 0; } +weak_alias (__posix_spawnattr_setflags, posix_spawnattr_setflags) diff --git a/posix/spawnattr_setsigmask.c b/posix/spawnattr_setsigmask.c index 7ae81ad470..12c0111af4 100644 --- a/posix/spawnattr_setsigmask.c +++ b/posix/spawnattr_setsigmask.c @@ -20,7 +20,7 @@ /* Set signal mask for the new process in ATTR to SIGMASK. */ int -posix_spawnattr_setsigmask (posix_spawnattr_t *attr, +__posix_spawnattr_setsigmask (posix_spawnattr_t *attr, const sigset_t *sigmask) { /* Copy the sigset_t data to the user buffer. */ @@ -28,3 +28,4 @@ posix_spawnattr_setsigmask (posix_spawnattr_t *attr, return 0; } +weak_alias (__posix_spawnattr_setsigmask, posix_spawnattr_setsigmask)