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Fix errno handling for pthreads wrappers

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* src/util/threads-pthread.c: pthreads APIs do not set errno, instead
  the return value is the positive errno. Set errno based on the return
  value in the wrappers
This commit is contained in:
Daniel P. Berrange 2009-10-28 19:54:07 +00:00
parent dd9e9c3b54
commit 15a9144609
1 changed files with 15 additions and 11 deletions
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26
src/util/threads-pthread.c
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@ -35,8 +35,9 @@ void virThreadOnExit(void)
int virMutexInit(virMutexPtr m)
{
if (pthread_mutex_init(&m->lock, NULL) != 0) {
errno = EINVAL;
int ret;
if ((ret = pthread_mutex_init(&m->lock, NULL)) != 0) {
errno = ret;
return -1;
}
return 0;
@ -57,11 +58,11 @@ void virMutexUnlock(virMutexPtr m)
}
int virCondInit(virCondPtr c)
{
if (pthread_cond_init(&c->cond, NULL) != 0) {
errno = EINVAL;
int ret;
if ((ret = pthread_cond_init(&c->cond, NULL)) != 0) {
errno = ret;
return -1;
}
return 0;
@ -69,8 +70,9 @@ int virCondInit(virCondPtr c)
int virCondDestroy(virCondPtr c)
{
if (pthread_cond_destroy(&c->cond) != 0) {
errno = EINVAL;
int ret;
if ((ret = pthread_cond_destroy(&c->cond)) != 0) {
errno = ret;
return -1;
}
return 0;
@ -78,8 +80,9 @@ int virCondDestroy(virCondPtr c)
int virCondWait(virCondPtr c, virMutexPtr m)
{
if (pthread_cond_wait(&c->cond, &m->lock) != 0) {
errno = EINVAL;
int ret;
if ((ret = pthread_cond_wait(&c->cond, &m->lock)) != 0) {
errno = ret;
return -1;
}
return 0;
@ -99,8 +102,9 @@ void virCondBroadcast(virCondPtr c)
int virThreadLocalInit(virThreadLocalPtr l,
virThreadLocalCleanup c)
{
if (pthread_key_create(&l->key, c) != 0) {
errno = EINVAL;
int ret;
if ((ret = pthread_key_create(&l->key, c)) != 0) {
errno = ret;
return -1;
}
return 0;