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Diffstat (limited to 'devel/linuxthreads/files/wraputhread.c')
| -rw-r--r-- | devel/linuxthreads/files/wraputhread.c | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/devel/linuxthreads/files/wraputhread.c b/devel/linuxthreads/files/wraputhread.c new file mode 100644 index 000000000000..7898d49ceb6f --- /dev/null +++ b/devel/linuxthreads/files/wraputhread.c @@ -0,0 +1,191 @@ +/* + * Copyright (c) 2001 Daniel Eischen <deischen@FreeBSD.org>. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY DANIEL EISCHEN AND CONTRIBUTORS ``AS IS'' + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD: /tmp/pcvs/ports/devel/linuxthreads/files/wraputhread.c,v 1.1 2001-02-20 00:34:57 tegge Exp $ + */ + +#include <pthread.h> +#include <stdlib.h> +#include <sys/errno.h> + + +void * +_pthread_getspecific(pthread_key_t key) +{ + return __pthread_getspecific(key); +} + +int +_pthread_key_create(pthread_key_t *key, void (*destructor) (void *)) +{ + return __pthread_key_create(key, destructor); +} + +int +_pthread_key_delete(pthread_key_t key) +{ + return pthread_key_delete(key); +} + +int +_pthread_mutex_destroy(pthread_mutex_t **mutex) +{ + int ret; + + ret = __pthread_mutex_destroy(*mutex); + if (ret == 0) + free(*mutex); + return ret; +} + + +static pthread_mutex_t allocmutexlock = PTHREAD_MUTEX_INITIALIZER; + +static int +allocmutex(pthread_mutex_t **mutex) +{ + pthread_mutex_t *m; + int ret; + + m = malloc(sizeof(pthread_mutex_t)); + if (m == NULL) + return ENOMEM; + ret = __pthread_mutex_init(m, NULL); + if (ret != 0) { + free(m); + return ret; + } + __pthread_mutex_lock(&allocmutexlock); + if (*mutex != NULL) { + __pthread_mutex_unlock(&allocmutexlock); + __pthread_mutex_destroy(m); + free(m); + return 0; + } + *mutex = m; + __pthread_mutex_unlock(&allocmutexlock); + return 0; +} + +int +_pthread_mutex_init(pthread_mutex_t **mutex, const pthread_mutexattr_t *mattr) +{ + (void) mattr; + *mutex = malloc(sizeof(pthread_mutex_t)); + return __pthread_mutex_init(*mutex, NULL); // XXX +} + +int +_pthread_mutex_lock(pthread_mutex_t **mutex) +{ + int ret; + if (*mutex == NULL) { + ret = allocmutex(mutex); + if (ret != 0) + return ret; + } + return __pthread_mutex_lock(*mutex); +} + +int +_pthread_mutex_trylock(pthread_mutex_t **mutex) +{ + int ret; + if (*mutex == NULL) { + ret = allocmutex(mutex); + if (ret != 0) + return ret; + } + return __pthread_mutex_trylock(*mutex); +} + +int +_pthread_mutex_unlock(pthread_mutex_t **mutex) +{ + int ret; + if (*mutex == NULL) { + ret = allocmutex(mutex); + if (ret != 0) + return ret; + } + return __pthread_mutex_unlock(*mutex); +} + +int +_pthread_mutexattr_init(pthread_mutexattr_t *mattr) +{ + return EINVAL; +} + +int +_pthread_mutexattr_destroy(pthread_mutexattr_t *mattr) +{ + return EINVAL; +} + +int +_pthread_mutexattr_settype(pthread_mutexattr_t *mattr, int type) +{ + return EINVAL; +} + +struct uthread_pthread_once { + int state; + pthread_mutex_t *mutex; +}; +typedef struct uthread_pthread_once uthread_pthread_once_t; + +/* + * Flags for once initialization. + */ +#define UTHREAD_PTHREAD_NEEDS_INIT 0 +#define UTHREAD_PTHREAD_DONE_INIT 1 + +int +_pthread_once(uthread_pthread_once_t *once_control, + void (*init_routine) (void)) +{ + if (once_control->state == UTHREAD_PTHREAD_NEEDS_INIT) { + _pthread_mutex_lock(&(once_control->mutex)); + if (once_control->state == UTHREAD_PTHREAD_NEEDS_INIT) { + init_routine(); + once_control->state = UTHREAD_PTHREAD_DONE_INIT; + } + _pthread_mutex_unlock(&(once_control->mutex)); + } + return (0); +} + +pthread_t +_pthread_self(void) +{ + return pthread_self(); +} + +int +_pthread_setspecific(pthread_key_t key, const void *value) +{ + return __pthread_setspecific(key, value); +} |