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htl: Get sem_open/sem_close/sem_unlink support [BZ #25524]
This just moves the existing nptl implementation to reuse as it is in htl.
This commit is contained in:
Samuel Thibault
parent
a28296e778
commit
749cd2ca78
@ -128,8 +128,8 @@ libpthread-routines := pt-attr pt-attr-destroy pt-attr-getdetachstate \
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pt-getschedparam pt-setschedparam pt-setschedprio \
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pt-yield \
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\
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sem-close sem-destroy sem-getvalue sem-init sem-open \
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sem-post sem-timedwait sem-trywait sem-unlink \
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sem_close sem-destroy sem-getvalue sem-init sem_open \
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sem-post sem-timedwait sem-trywait sem_unlink \
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sem-wait sem-waitfast \
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\
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shm-directory \
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49
htl/semaphoreP.h
Normal file
49
htl/semaphoreP.h
Normal file
@ -0,0 +1,49 @@
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/* Copyright (C) 2002-2020 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <semaphore.h>
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#include "pt-internal.h"
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#define SEM_SHM_PREFIX "sem."
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/* Keeping track of currently used mappings. */
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struct inuse_sem
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{
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dev_t dev;
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ino_t ino;
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int refcnt;
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sem_t *sem;
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char name[0];
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};
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/* The search tree for existing mappings. */
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extern void *__sem_mappings attribute_hidden;
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/* Lock to protect the search tree. */
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extern int __sem_mappings_lock attribute_hidden;
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/* Comparison function for search in tree with existing mappings. */
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extern int __sem_search (const void *a, const void *b) attribute_hidden;
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static inline void __new_sem_open_init (struct new_sem *sem, unsigned value)
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{
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/* This always is a shared semaphore. */
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*sem = (struct new_sem) __SEMAPHORE_INITIALIZER (1, value);
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}
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@ -1,31 +0,0 @@
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/* Close a named semaphore. Generic version.
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Copyright (C) 2005-2020 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <semaphore.h>
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#include <errno.h>
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#include <pt-internal.h>
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int
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__sem_close (sem_t *sem)
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{
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errno = EOPNOTSUPP;
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return -1;
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}
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strong_alias (__sem_close, sem_close);
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@ -1,31 +0,0 @@
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/* Open a named semaphore. Generic version.
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Copyright (C) 2005-2020 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <semaphore.h>
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#include <errno.h>
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#include <pt-internal.h>
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sem_t *
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__sem_open (const char *name, int open_flags, ...)
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{
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errno = ENOSYS;
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return SEM_FAILED;
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}
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strong_alias (__sem_open, sem_open);
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@ -1,31 +0,0 @@
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/* Unlink a named semaphore. Generic version.
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Copyright (C) 2005-2020 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <semaphore.h>
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#include <errno.h>
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#include <pt-internal.h>
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int
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__sem_unlink (const char *name)
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{
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errno = EOPNOTSUPP;
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return -1;
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}
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strong_alias (__sem_unlink, sem_unlink);
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@ -129,13 +129,6 @@ test-xfail-tst-signal2 = yes
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test-xfail-tst-cond24 = yes
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test-xfail-tst-cond25 = yes
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# For bug 25524
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# (sem_open support)
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test-xfail-tst-sem4 = yes
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test-xfail-tst-sem7 = yes
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test-xfail-tst-sem8 = yes
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test-xfail-tst-sem9 = yes
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# For bug 25563
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# (robust support against dead threads)
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test-xfail-tst-robust1 = yes
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