int32_t psCreateMutex(psMutex_t *mutex, uint32_t flags)
{
pthread_mutexattr_t attr;
int rc;
if (flags & ~PS_SHARED)
{
psErrorInt("psCreateMutex unsupported flag %u\n", flags);
return PS_PLATFORM_FAIL;
}
if ((rc = pthread_mutexattr_init(&attr)) < 0)
{
psErrorInt("pthread_mutexattr_init failed %d\n", rc);
return PS_PLATFORM_FAIL;
}
if ((flags & PS_SHARED) &&
(rc = pthread_mutexattr_setpshared(&attr,
PTHREAD_PROCESS_SHARED)) < 0)
{
pthread_mutexattr_destroy(&attr);
psErrorInt("pthread_mutexattr shared failed %d\n", rc);
return PS_PLATFORM_FAIL;
}
if ((rc = pthread_mutex_init(mutex, &attr)) != 0)
{
pthread_mutexattr_destroy(&attr);
psErrorInt("pthread_mutex_init failed %d\n", rc);
return PS_PLATFORM_FAIL;
}
if (pthread_mutexattr_destroy(&attr) != 0)
{
psTraceCore("pthread_mutexattr_destroy failed\n");
}
return PS_SUCCESS;
}
/*
Module open and close
*/
int osdepMutexOpen(void)
{
int32 rc;
if ((rc = pthread_mutexattr_init(&attr)) < 0) {
psErrorInt("pthread_mutexattr_init failed %d\n", rc);
return PS_PLATFORM_FAIL;
}
return PS_SUCCESS;
}
/*
Module open and close
*/
int osdepEntropyOpen(void)
{
/*
Open /dev/random access non-blocking.
*/
if ((urandfd = open("/dev/urandom", O_RDONLY)) < 0) {
psErrorInt("open of urandom failed %d\n", urandfd);
return PS_PLATFORM_FAIL;
}
/*
For platforms that don't have /dev/random, just assign it to urandom
*/
if ((randfd = open("/dev/random", O_RDONLY | O_NONBLOCK)) < 0) {
randfd=urandfd;
}
return PS_SUCCESS;
}
