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add sthread_isself

This commit is contained in:
zeromus 2016-03-21 01:33:12 +00:00
parent 4d1374a675
commit 60d5004d14
4 changed files with 69 additions and 18 deletions
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13
desmume/src/libretro-common/include/rthreads/rthreads.h
View File

@ -74,6 +74,19 @@ int sthread_detach(sthread_t *thread);
*/
void sthread_join(sthread_t *thread);
/**
* sthread_isself:
* @thread : pointer to thread object
*
* Join with a terminated thread. Waits for the thread specified by
* @thread to terminate. If that thread has already terminated, then
* it will return immediately. The thread specified by @thread must
* be joinable.
*
* Returns: true (1) if calling thread is the specified thread
*/
bool sthread_isself(sthread_t *thread);
/**
* slock_new:
*

6
desmume/src/libretro-common/rthreads/gx_pthread.h
View File

@ -107,6 +107,12 @@ static INLINE int pthread_create(pthread_t *thread,
0, STACKSIZE, 64, 0 /* unused */);
}
static INLINE pthread_t pthread_self(void)
{
/* zero 20-mar-2016: untested */
return LWP_GetSelf();
}
static INLINE int pthread_mutex_init(pthread_mutex_t *mutex,
const pthread_mutexattr_t *attr)
{

7
desmume/src/libretro-common/rthreads/psp_pthread.h
View File

@ -190,4 +190,11 @@ static INLINE void pthread_exit(void *retval)
(void)retval;
}
static INLINE pthread_t pthread_self(void)
{
/* zero 20-mar-2016: untested */
return sceKernelGetThreadId();
}
#endif //_PSP_PTHREAD_WRAP__

61
desmume/src/libretro-common/rthreads/rthreads.c
View File

@ -25,7 +25,10 @@
#include <boolean.h>
#include <rthreads/rthreads.h>
#if defined(_WIN32)
/* with RETRO_WIN32_USE_PTHREADS, pthreads can be used even on win32. Maybe only supported in MSVC>=2005 */
#if defined(_WIN32) && !defined(RETRO_WIN32_USE_PTHREADS)
#define USE_WIN32_THREADS
#ifdef _XBOX
#include <xtl.h>
#else
@ -54,7 +57,7 @@ struct thread_data
struct sthread
{
#ifdef _WIN32
#ifdef USE_WIN32_THREADS
HANDLE thread;
#else
pthread_t id;
@ -63,7 +66,7 @@ struct sthread
struct slock
{
#ifdef _WIN32
#ifdef USE_WIN32_THREADS
HANDLE lock;
#else
pthread_mutex_t lock;
@ -72,14 +75,14 @@ struct slock
struct scond
{
#ifdef _WIN32
#ifdef USE_WIN32_THREADS
HANDLE event;
#else
pthread_cond_t cond;
#endif
};
#ifdef _WIN32
#ifdef USE_WIN32_THREADS
static DWORD CALLBACK thread_wrap(void *data_)
#else
static void *thread_wrap(void *data_)
@ -119,7 +122,7 @@ sthread_t *sthread_create(void (*thread_func)(void*), void *userdata)
data->func = thread_func;
data->userdata = userdata;
#ifdef _WIN32
#ifdef USE_WIN32_THREADS
thread->thread = CreateThread(NULL, 0, thread_wrap, data, 0, NULL);
thread_created = thread->thread;
#else
@ -151,7 +154,7 @@ error:
*/
int sthread_detach(sthread_t *thread)
{
#ifdef _WIN32
#ifdef USE_WIN32_THREADS
CloseHandle(thread->thread);
free(thread);
return 0;
@ -173,7 +176,7 @@ int sthread_detach(sthread_t *thread)
*/
void sthread_join(sthread_t *thread)
{
#ifdef _WIN32
#ifdef USE_WIN32_THREADS
WaitForSingleObject(thread->thread, INFINITE);
CloseHandle(thread->thread);
#else
@ -182,6 +185,26 @@ void sthread_join(sthread_t *thread)
free(thread);
}
/**
* sthread_isself:
* @thread : pointer to thread object
*
* Join with a terminated thread. Waits for the thread specified by
* @thread to terminate. If that thread has already terminated, then
* it will return immediately. The thread specified by @thread must
* be joinable.
*
* Returns: true (1) if calling thread is the specified thread
*/
bool sthread_isself(sthread_t *thread)
{
#ifdef USE_WIN32_THREADS
return GetCurrentThread() == thread->thread;
#else
return pthread_equal(pthread_self(),thread->id);
#endif
}
/**
* slock_new:
*
@ -197,7 +220,7 @@ slock_t *slock_new(void)
if (!lock)
return NULL;
#ifdef _WIN32
#ifdef USE_WIN32_THREADS
lock->lock = CreateMutex(NULL, FALSE, NULL);
mutex_created = lock->lock;
#else
@ -225,7 +248,7 @@ void slock_free(slock_t *lock)
if (!lock)
return;
#ifdef _WIN32
#ifdef USE_WIN32_THREADS
CloseHandle(lock->lock);
#else
pthread_mutex_destroy(&lock->lock);
@ -243,7 +266,7 @@ void slock_free(slock_t *lock)
**/
void slock_lock(slock_t *lock)
{
#ifdef _WIN32
#ifdef USE_WIN32_THREADS
WaitForSingleObject(lock->lock, INFINITE);
#else
pthread_mutex_lock(&lock->lock);
@ -258,7 +281,7 @@ void slock_lock(slock_t *lock)
**/
void slock_unlock(slock_t *lock)
{
#ifdef _WIN32
#ifdef USE_WIN32_THREADS
ReleaseMutex(lock->lock);
#else
pthread_mutex_unlock(&lock->lock);
@ -282,7 +305,7 @@ scond_t *scond_new(void)
if (!cond)
return NULL;
#ifdef _WIN32
#ifdef USE_WIN32_THREADS
cond->event = CreateEvent(NULL, FALSE, FALSE, NULL);
event_created = cond->event;
#else
@ -310,7 +333,7 @@ void scond_free(scond_t *cond)
if (!cond)
return;
#ifdef _WIN32
#ifdef USE_WIN32_THREADS
CloseHandle(cond->event);
#else
pthread_cond_destroy(&cond->cond);
@ -327,7 +350,7 @@ void scond_free(scond_t *cond)
**/
void scond_wait(scond_t *cond, slock_t *lock)
{
#ifdef _WIN32
#ifdef USE_WIN32_THREADS
WaitForSingleObject(cond->event, 0);
SignalObjectAndWait(lock->lock, cond->event, INFINITE, FALSE);
@ -346,7 +369,7 @@ void scond_wait(scond_t *cond, slock_t *lock)
**/
int scond_broadcast(scond_t *cond)
{
#ifdef _WIN32
#ifdef USE_WIN32_THREADS
/* FIXME _- check how this function should differ
* from scond_signal implementation. */
SetEvent(cond->event);
@ -365,7 +388,7 @@ int scond_broadcast(scond_t *cond)
**/
void scond_signal(scond_t *cond)
{
#ifdef _WIN32
#ifdef USE_WIN32_THREADS
SetEvent(cond->event);
#else
pthread_cond_signal(&cond->cond);
@ -386,7 +409,7 @@ void scond_signal(scond_t *cond)
**/
bool scond_wait_timeout(scond_t *cond, slock_t *lock, int64_t timeout_us)
{
#ifdef _WIN32
#ifdef USE_WIN32_THREADS
DWORD ret;
WaitForSingleObject(cond->event, 0);
@ -423,6 +446,8 @@ bool scond_wait_timeout(scond_t *cond, slock_t *lock, int64_t timeout_us)
gettimeofday(&tm, NULL);
now.tv_sec = tm.tv_sec;
now.tv_nsec = tm.tv_usec * 1000;
#elif defined(RETRO_WIN32_USE_PTHREADS)
_ftime64_s(&now);
#elif !defined(GEKKO)
/* timeout on libogc is duration, not end time. */
clock_gettime(CLOCK_REALTIME, &now);