Add pthread_detach(3).
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14ca218453
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@ -28,6 +28,7 @@ pthread_cond_signal.o \
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pthread_cond_timedwait.o \
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pthread_cond_wait.o \
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pthread_create.o \
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pthread_detach.o \
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pthread_equal.o \
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pthread_exit.o \
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pthread_getspecific.o \
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@ -139,6 +139,7 @@ struct pthread
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{
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struct uthread uthread;
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pthread_mutex_t join_lock;
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pthread_mutex_t detach_lock;
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void* (*entry_function)(void*);
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void* entry_cookie;
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void* exit_result;
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@ -237,7 +238,7 @@ int pthread_create(pthread_t* __restrict,
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const pthread_attr_t* __restrict,
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void* (*)(void*),
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void* __restrict);
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/* TODO: pthread_detach */
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int pthread_detach(pthread_t);
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int pthread_equal(pthread_t, pthread_t);
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__attribute__((__noreturn__))
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void pthread_exit(void*);
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@ -207,6 +207,7 @@ int pthread_create(pthread_t* restrict thread_ptr,
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thread->join_lock.lock = 1 /* LOCKED_VALUE */;
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thread->join_lock.type = PTHREAD_MUTEX_NORMAL;
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thread->join_lock.owner = (unsigned long) thread;
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thread->detach_lock = PTHREAD_NORMAL_MUTEX_INITIALIZER_NP;
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thread->detach_state = attr->detach_state;
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thread->entry_function = entry_function;
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thread->entry_cookie = entry_cookie;
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@ -0,0 +1,36 @@
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/*******************************************************************************
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Copyright(C) Jonas 'Sortie' Termansen 2014.
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This file is part of Sortix libpthread.
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Sortix libpthread is free software: you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by the
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Free Software Foundation, either version 3 of the License, or (at your
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option) any later version.
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Sortix libpthread is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with Sortix libpthread. If not, see <http://www.gnu.org/licenses/>.
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pthread_detach.c++
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Detach a thread.
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*******************************************************************************/
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#include <assert.h>
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#include <pthread.h>
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extern "C" int pthread_detach(pthread_t thread)
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{
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if ( pthread_mutex_trylock(&thread->detach_lock) != 0 )
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return pthread_join(thread, NULL);
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assert(thread->detach_state == PTHREAD_CREATE_JOINABLE);
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thread->detach_state = PTHREAD_CREATE_DETACHED;
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pthread_mutex_unlock(&thread->detach_lock);
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return 0;
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}
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@ -61,6 +61,7 @@ void pthread_exit(void* return_value)
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pthread_mutex_unlock(&__pthread_num_threads_lock);
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if ( num_threads == 1 )
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exit(0);
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pthread_mutex_lock(&thread->detach_lock);
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thread->exit_result = return_value;
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struct exit_thread extended;
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memset(&extended, 0, sizeof(extended));
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@ -78,5 +78,6 @@ extern "C" void pthread_initialize(void)
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self->join_lock.lock = 1 /* LOCKED_VALUE */;
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self->join_lock.type = PTHREAD_MUTEX_NORMAL;
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self->join_lock.owner = (unsigned long) self;
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self->detach_lock = PTHREAD_NORMAL_MUTEX_INITIALIZER_NP;
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self->detach_state = PTHREAD_CREATE_JOINABLE;
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}
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