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(loc_RunThread, empth_init, empth_threadMain, empth_yield)

Browse source 
(empth_select, empth_sleep, empth_wait_for_signal)
(empth_sem_wait) [EMPTH_W32]: Add the ability to wait additional
event in loc_RunThread() when acquiring the hThread mutex.

(empth_rwlock_t, empth_rwlock_create, empth_rwlock_destroy)
(empth_rwlock_wrlock, empth_rwlock_rdlock, empth_rwlock_unlock): New.

(empth_rwlock_t, empth_rwlock_create, empth_rwlock_destroy)
(empth_rwlock_wrlock, empth_rwlock_rdlock, empth_rwlock_unlock)
[EMPTH_W32]: WIN32 implementation.

(empth_rwlock_t, empth_rwlock_create, empth_rwlock_destroy)
(empth_rwlock_wrlock, empth_rwlock_rdlock, empth_rwlock_unlock)
(lwp_rwlock, lwp_rwlock_create, lwp_rwlock_destroy)
(lwp_rwlock_wrlock, lwp_rwlock_rdlock, lwp_rwlock_unlock)
[EMPTH_LWP]: LWP implementation.

(empth_rwlock_t, empth_rwlock_create, empth_rwlock_destroy)
(empth_rwlock_wrlock, empth_rwlock_rdlock, empth_rwlock_unlock)
[EMPTH_POSIX]: pthread implementation.
This commit is contained in:
Ron Koenderink 2007-01-15 12:45:35 +00:00
parent 8c65fbc2be
commit 71e0f98825
6 changed files with 409 additions and 14 deletions
Download patch file Download diff file Expand all files Collapse all files

57
src/lib/empthread/pthread.c
View file

@ -30,7 +30,8 @@
* Known contributors to this file:
* Sasha Mikheev
* Steve McClure, 1998
* Markus Armbruster, 2005-2006
* Markus Armbruster, 2005-2007
* Ron Koenderink, 2007
*/
/* Required for PTHREAD_STACK_MIN on some systems, e.g. Solaris: */
@ -75,6 +76,11 @@ struct empth_sem_t {
pthread_cond_t cnd_sem;
};
struct empth_rwlock_t {
char *name;
pthread_rwlock_t lock;
};
/* Thread-specific data key */
static pthread_key_t ctx_key;
@ -455,3 +461,52 @@ empth_sem_wait(empth_sem_t *sm)
} else
pthread_mutex_unlock(&sm->mtx_update);
}
empth_rwlock_t *
empth_rwlock_create(char *name)
{
empth_rwlock_t *rwlock;
rwlock = malloc(sizeof(*rwlock));
if (!rwlock)
return NULL;
if (pthread_rwlock_init(&rwlock->lock, NULL) != 0) {
free(rwlock);
return NULL;
}
rwlock->name = strdup(name);
return rwlock;
}
void
empth_rwlock_destroy(empth_rwlock_t *rwlock)
{
pthread_rwlock_destroy(&rwlock->lock);
free(rwlock);
}
void
empth_rwlock_wrlock(empth_rwlock_t *rwlock)
{
pthread_mutex_unlock(&mtx_ctxsw);
pthread_rwlock_wrlock(&rwlock->lock);
pthread_mutex_lock(&mtx_ctxsw);
empth_restorectx();
}
void
empth_rwlock_rdlock(empth_rwlock_t *rwlock)
{
pthread_mutex_unlock(&mtx_ctxsw);
pthread_rwlock_rdlock(&rwlock->lock);
pthread_mutex_lock(&mtx_ctxsw);
empth_restorectx();
}
void
empth_rwlock_unlock(empth_rwlock_t *rwlock)
{
pthread_rwlock_unlock(&rwlock->lock);
}