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* htl/cthreads-compat.c (__cthread_detach): Call __pthread_detach instead of pthread_detach. (__cthread_fork): Call __pthread_create instead of pthread_create. (__cthread_keycreate): Call __pthread_key_create instead of pthread_key_create. (__cthread_getspecific): Call __pthread_getspecific instead of pthread_getspecific. (__cthread_setspecific): Call __pthread_setspecific instead of pthread_setspecific. * htl/pt-alloc.c (__pthread_alloc): Call __pthread_mutex_lock and __pthread_mutex_unlock instead of pthread_mutex_lock and pthread_mutex_unlock. * htl/pt-cleanup.c (__pthread_get_cleanup_stack): Rename to ___pthread_get_cleanup_stack. (__pthread_get_cleanup_stack): New strong alias. * htl/pt-create.c: Include <pthreadP.h>. (entry_point): Call __pthread_exit instead of pthread_exit. (pthread_create): Rename to __pthread_create. (pthread_create): New strong alias. * htl/pt-detach.c (pthread_detach): Rename to __pthread_detach. (pthread_detach): New strong alias. (__pthread_detach): Call __pthread_cond_broadcast instead of pthread_cond_broadcast. * htl/pt-exit.c (__pthread_exit): Call __pthread_setcancelstate instead of pthread_setcancelstate. * htl/pt-testcancel.c: Include <pthreadP.h>. (pthread_testcancel): Call __pthread_exit instead of pthread_exit. * sysdeps/htl/pt-attr-getstack.c: Include <pthreadP.h> (__pthread_attr_getstack): Call __pthread_attr_getstackaddr and __pthread_attr_getstacksize instead of pthread_attr_getstackaddr and pthread_attr_getstacksize. * sysdeps/htl/pt-attr-getstackaddr.c (pthread_attr_getstackaddr): Rename to __pthread_attr_getstackaddr. (pthread_attr_getstackaddr): New strong alias. * sysdeps/htl/pt-attr-getstacksize.c (pthread_attr_getstacksize): Rename to __pthread_attr_getstacksize. (pthread_attr_getstacksize): New strong alias. * sysdeps/htl/pt-attr-setstack.c: Include <pthreadP.h>. (pthread_attr_setstack): Rename to __pthread_attr_setstack. (pthread_attr_setstack): New strong alias. (__pthread_attr_setstack): Call __pthread_attr_getstacksize, __pthread_attr_setstacksize and __pthread_attr_setstackaddr instead of pthread_attr_getstacksize, pthread_attr_setstacksize and pthread_attr_setstackaddr. * sysdeps/htl/pt-attr-setstackaddr.c (pthread_attr_setstackaddr): Rename to __pthread_attr_setstackaddr. (pthread_attr_setstackaddr): New strong alias. * sysdeps/htl/pt-attr-setstacksize.c (pthread_attr_setstacksize): Rename to __pthread_attr_setstacksize. (pthread_attr_setstacksize): New strong alias. * sysdeps/htl/pt-cond-timedwait.c: Include <pthreadP.h>. (__pthread_cond_timedwait_internal): Use __pthread_exit instead of pthread_exit. * sysdeps/htl/pt-key-create.c: Include <pthreadP.h>. (__pthread_key_create): New hidden def. * sysdeps/htl/pt-key.h: Include <pthreadP.h>. * sysdeps/htl/pthreadP.h (_pthread_mutex_init, __pthread_cond_broadcast, __pthread_create, __pthread_detach, __pthread_exit, __pthread_key_create, __pthread_getspecific, __pthread_setspecific, __pthread_setcancelstate, __pthread_attr_getstackaddr, __pthread_attr_setstackaddr, __pthread_attr_getstacksize, __pthread_attr_setstacksize, __pthread_attr_setstack, ___pthread_get_cleanup_stack): New declarations. (__pthread_key_create, _pthread_mutex_init): New hidden declarations. * sysdeps/mach/hurd/htl/pt-attr-setstackaddr.c (pthread_attr_setstackaddr): Rename to __pthread_attr_setstackaddr. (pthread_attr_setstackaddr): New strong alias. * sysdeps/mach/hurd/htl/pt-attr-setstacksize.c (pthread_attr_setstacksize): Rename to __pthread_attr_setstacksize. (pthread_attr_setstacksize): New strong alias. * sysdeps/mach/hurd/htl/pt-docancel.c: Include <pthreadP.h>. (call_exit): Call __pthread_exit instead of pthread_exit. * sysdeps/mach/hurd/htl/pt-mutex-init.c: Include <pthreadP.h>. (_pthread_mutex_init): New hidden definition. * sysdeps/mach/hurd/htl/pt-sysdep.c: Include <pthreadP.h>. (_init_routine): Call __pthread_attr_init and __pthread_attr_setstack instead of pthread_attr_init and pthread_attr_setstack.
81 lines
2.5 KiB
C
81 lines
2.5 KiB
C
/* Detach a thread.
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Copyright (C) 2000-2018 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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<http://www.gnu.org/licenses/>. */
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#include <errno.h>
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#include <pthread.h>
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#include <stddef.h>
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#include <pt-internal.h>
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/* Indicate that the storage for THREAD can be reclaimed when it
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terminates. */
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int
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__pthread_detach (pthread_t thread)
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{
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struct __pthread *pthread;
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int err = 0;
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/* Lookup the thread structure for THREAD. */
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pthread = __pthread_getid (thread);
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if (pthread == NULL)
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return ESRCH;
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__pthread_mutex_lock (&pthread->state_lock);
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switch (pthread->state)
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{
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case PTHREAD_JOINABLE:
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/* THREAD still running. Mark it as detached such that its
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resources can be reclaimed as soon as the thread exits. */
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pthread->state = PTHREAD_DETACHED;
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/* Broadcast the condition. This will make threads that are
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waiting to join THREAD continue with hopefully disastrous
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consequences instead of blocking indefinitely. */
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__pthread_cond_broadcast (&pthread->state_cond);
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__pthread_mutex_unlock (&pthread->state_lock);
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__pthread_dealloc (pthread);
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break;
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case PTHREAD_EXITED:
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__pthread_mutex_unlock (&pthread->state_lock);
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/* THREAD has already exited. PTHREAD remained after the thread
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exited in order to provide the exit status, but it turns out
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it won't be needed. */
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__pthread_dealloc (pthread);
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break;
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case PTHREAD_TERMINATED:
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/* Pretend THREAD wasn't there in the first place. */
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__pthread_mutex_unlock (&pthread->state_lock);
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err = ESRCH;
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break;
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default:
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/* Thou shalt not detach non-joinable threads! */
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__pthread_mutex_unlock (&pthread->state_lock);
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err = EINVAL;
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break;
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}
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return err;
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}
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strong_alias (__pthread_detach, pthread_detach)
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