Author: Pekka Riikonen <priikone@silcnet.org>
- Copyright (C) 2001 Pekka Riikonen
+ Copyright (C) 2001 - 2007 Pekka Riikonen
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
+ the Free Software Foundation; version 2 of the License.
+
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
*/
/* $Id$ */
-#include "silcincludes.h"
+#include "silc.h"
-#ifdef SILC_THREADS
+/**************************** SILC Thread API *******************************/
SilcThread silc_thread_create(SilcThreadStart start_func, void *context,
- bool waitable)
+ SilcBool waitable)
{
+#ifdef SILC_THREADS
pthread_attr_t attr;
pthread_t thread;
int ret;
}
if (pthread_attr_setdetachstate(&attr,
- waitable ? PTHREAD_CREATE_JOINABLE :
+ waitable ? PTHREAD_CREATE_JOINABLE :
PTHREAD_CREATE_DETACHED)) {
SILC_LOG_ERROR(("Thread error: %s", strerror(errno)));
pthread_attr_destroy(&attr);
return NULL;
}
- ret = pthread_create(&thread, &attr, (void * (*)(void *))start_func,
+ ret = pthread_create(&thread, &attr, (void * (*)(void *))start_func,
context);
if (ret) {
SILC_LOG_ERROR(("Thread error: %s", strerror(errno)));
SILC_LOG_DEBUG(("Created thread %p", (SilcThread)thread));
return (SilcThread)thread;
+#else
+ /* Call thread callback immediately */
+ (*start_func)(context);
+ return NULL;
+#endif
}
void silc_thread_exit(void *exit_value)
{
+#ifdef SILC_THREADS
pthread_exit(exit_value);
+#endif
}
SilcThread silc_thread_self(void)
{
+#ifdef SILC_THREADS
pthread_t self = pthread_self();
return (SilcThread)self;
+#else
+ return NULL;
+#endif
}
-bool silc_thread_wait(SilcThread thread, void **exit_value)
+SilcBool silc_thread_wait(SilcThread thread, void **exit_value)
{
+#ifdef SILC_THREADS
SILC_LOG_DEBUG(("Waiting for thread %p", thread));
if (!pthread_join(*(pthread_t *)thread, exit_value))
return TRUE;
return FALSE;
+#else
+ return FALSE;
+#endif
}
+void silc_thread_yield(void)
+{
+#ifdef SILC_THREADS
+#ifdef HAVE_SCHED_YIELD
+ sched_yield();
+#endif /* HAVE_SCHED_YIELD */
+#endif /* SILC_THREADS */
+}
+
+/***************************** SILC Mutex API *******************************/
+
+/* SILC Mutex structure */
+struct SilcMutexStruct {
+#ifdef SILC_THREADS
+ pthread_mutex_t mutex;
#endif /* SILC_THREADS */
+ unsigned int locked : 1;
+};
+
+SilcBool silc_mutex_alloc(SilcMutex *mutex)
+{
+#ifdef SILC_THREADS
+ *mutex = silc_calloc(1, sizeof(**mutex));
+ if (*mutex == NULL)
+ return FALSE;
+ pthread_mutex_init(&(*mutex)->mutex, NULL);
+ (*mutex)->locked = FALSE;
+ return TRUE;
+#else
+ return FALSE;
+#endif /* SILC_THREADS */
+}
+
+void silc_mutex_free(SilcMutex mutex)
+{
+#ifdef SILC_THREADS
+ if (mutex) {
+ pthread_mutex_destroy(&mutex->mutex);
+ silc_free(mutex);
+ }
+#endif /* SILC_THREADS */
+}
+
+void silc_mutex_lock(SilcMutex mutex)
+{
+#ifdef SILC_THREADS
+ if (mutex) {
+ SILC_VERIFY(pthread_mutex_lock(&mutex->mutex) == 0);
+ mutex->locked = TRUE;
+ }
+#endif /* SILC_THREADS */
+}
+
+void silc_mutex_unlock(SilcMutex mutex)
+{
+#ifdef SILC_THREADS
+ if (mutex) {
+ mutex->locked = FALSE;
+ SILC_VERIFY(pthread_mutex_unlock(&mutex->mutex) == 0);
+ }
+#endif /* SILC_THREADS */
+}
+
+void silc_mutex_assert_locked(SilcMutex mutex)
+{
+#ifdef SILC_THREADS
+ if (mutex)
+ SILC_VERIFY(mutex->locked);
+#endif /* SILC_THREADS */
+}
+
+/***************************** SILC Rwlock API ******************************/
+
+/* SILC read/write lock structure */
+struct SilcRwLockStruct {
+#ifdef SILC_THREADS
+ pthread_rwlock_t rwlock;
+#else
+ void *tmp;
+#endif /* SILC_THREADS */
+};
+
+SilcBool silc_rwlock_alloc(SilcRwLock *rwlock)
+{
+#ifdef SILC_THREADS
+ *rwlock = silc_calloc(1, sizeof(**rwlock));
+ if (*rwlock == NULL)
+ return FALSE;
+ pthread_rwlock_init(&(*rwlock)->rwlock, NULL);
+ return TRUE;
+#else
+ return FALSE;
+#endif /* SILC_THREADS */
+}
+
+void silc_rwlock_free(SilcRwLock rwlock)
+{
+#ifdef SILC_THREADS
+ if (rwlock) {
+ pthread_rwlock_destroy(&rwlock->rwlock);
+ silc_free(rwlock);
+ }
+#endif /* SILC_THREADS */
+}
+
+void silc_rwlock_rdlock(SilcRwLock rwlock)
+{
+#ifdef SILC_THREADS
+ if (rwlock)
+ pthread_rwlock_rdlock(&rwlock->rwlock);
+#endif /* SILC_THREADS */
+}
+
+void silc_rwlock_wrlock(SilcRwLock rwlock)
+{
+#ifdef SILC_THREADS
+ if (rwlock)
+ SILC_VERIFY(pthread_rwlock_wrlock(&rwlock->rwlock) == 0);
+#endif /* SILC_THREADS */
+}
+
+void silc_rwlock_unlock(SilcRwLock rwlock)
+{
+#ifdef SILC_THREADS
+ if (rwlock)
+ SILC_VERIFY(pthread_rwlock_unlock(&rwlock->rwlock) == 0);
+#endif /* SILC_THREADS */
+}
+
+/****************************** SILC Cond API *******************************/
+
+/* SILC Conditional Variable context */
+struct SilcCondStruct {
+#ifdef SILC_THREADS
+ pthread_cond_t cond;
+#else
+ void *tmp;
+#endif /* SILC_THREADS*/
+};
+
+SilcBool silc_cond_alloc(SilcCond *cond)
+{
+#ifdef SILC_THREADS
+ *cond = silc_calloc(1, sizeof(**cond));
+ if (*cond == NULL)
+ return FALSE;
+ pthread_cond_init(&(*cond)->cond, NULL);
+ return TRUE;
+#else
+ return FALSE;
+#endif /* SILC_THREADS*/
+}
+
+void silc_cond_free(SilcCond cond)
+{
+#ifdef SILC_THREADS
+ pthread_cond_destroy(&cond->cond);
+ silc_free(cond);
+#endif /* SILC_THREADS*/
+}
+
+void silc_cond_signal(SilcCond cond)
+{
+#ifdef SILC_THREADS
+ pthread_cond_signal(&cond->cond);
+#endif /* SILC_THREADS*/
+}
+
+void silc_cond_broadcast(SilcCond cond)
+{
+#ifdef SILC_THREADS
+ pthread_cond_broadcast(&cond->cond);
+#endif /* SILC_THREADS*/
+}
+
+void silc_cond_wait(SilcCond cond, SilcMutex mutex)
+{
+#ifdef SILC_THREADS
+ pthread_cond_wait(&cond->cond, &mutex->mutex);
+#endif /* SILC_THREADS*/
+}
+
+SilcBool silc_cond_timedwait(SilcCond cond, SilcMutex mutex,
+ int timeout)
+{
+#ifdef SILC_THREADS
+ struct timespec t;
+ if (timeout) {
+ t.tv_sec = timeout / 1000;
+ t.tv_nsec = (timeout % 1000) * 1000;
+ return pthread_cond_timedwait(&cond->cond, &mutex->mutex, &t) == 0;
+ }
+
+ return pthread_cond_wait(&cond->cond, &mutex->mutex) == 0;
+#else
+ return FALSE;
+#endif /* SILC_THREADS*/
+}
projects / crypto.git / blobdiff