whitespaces

ugfx_release_2.6
Joel Bodenmann 2013-12-07 22:01:57 +01:00
parent e257074511
commit 395a4bda31
5 changed files with 103 additions and 56 deletions

View File

@ -97,3 +97,4 @@ gfxThreadHandle gfxThreadCreate(void *stackarea, size_t stacksz, threadpriority_
#endif /* GFX_USE_OS_CHIBIOS */
#endif /* _GOS_CHIBIOS_H */

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@ -101,8 +101,6 @@ threadreturn_t gfxThreadWait(gfxThreadHandle thread);
}
#endif
#endif /* GFX_USE_OS_WIN32 */
#endif /* _GOS_WIN32_H */

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@ -49,39 +49,47 @@ void *gfxRealloc(void *ptr, size_t oldsz, size_t newsz) {
void gfxSleepMilliseconds(delaytime_t ms) {
switch(ms) {
case TIME_IMMEDIATE: chThdYield(); return;
case TIME_INFINITE: chThdSleep(TIME_INFINITE); return;
default: chThdSleepMilliseconds(ms); return;
case TIME_IMMEDIATE: chThdYield(); return;
case TIME_INFINITE: chThdSleep(TIME_INFINITE); return;
default: chThdSleepMilliseconds(ms); return;
}
}
void gfxSleepMicroseconds(delaytime_t ms) {
switch(ms) {
case TIME_IMMEDIATE: return;
case TIME_INFINITE: chThdSleep(TIME_INFINITE); return;
default: chThdSleepMicroseconds(ms); return;
case TIME_IMMEDIATE: return;
case TIME_INFINITE: chThdSleep(TIME_INFINITE); return;
default: chThdSleepMicroseconds(ms); return;
}
}
void gfxSemInit(gfxSem *psem, semcount_t val, semcount_t limit) {
if (val > limit) val = limit;
if (val > limit)
val = limit;
psem->limit = limit;
chSemInit(&psem->sem, val);
}
void gfxSemDestroy(gfxSem *psem) {
chSemReset(&psem->sem, 1);
}
bool_t gfxSemWait(gfxSem *psem, delaytime_t ms) {
if (ms == TIME_INFINITE) {
chSemWait(&psem->sem);
return TRUE;
}
return chSemWaitTimeout(&psem->sem, MS2ST(ms)) != RDY_TIMEOUT;
}
void gfxSemSignal(gfxSem *psem) {
chSysLock();
if (gfxSemCounterI(psem) < psem->limit)
chSemSignalI(&psem->sem);
chSchRescheduleS();
chSysUnlock();
}
@ -97,9 +105,12 @@ gfxThreadHandle gfxThreadCreate(void *stackarea, size_t stacksz, threadpriority_
return chThdCreateFromHeap(0, stacksz, prio, fn, param);
}
if (!stacksz) return NULL;
if (!stacksz)
return NULL;
return chThdCreateStatic(stackarea, stacksz, prio, fn, param);
}
#endif /* GFX_USE_OS_CHIBIOS */
/** @} */

View File

@ -42,13 +42,20 @@ void gfxSleepMilliseconds(delaytime_t ms) {
struct timespec ts;
switch(ms) {
case TIME_IMMEDIATE: pthread_yield(); return;
case TIME_INFINITE: while(1) sleep(60); return;
default:
ts.tv_sec = ms / 1000;
ts.tv_nsec = (ms % 1000) * 1000;
nanosleep(&ts, 0);
return;
case TIME_IMMEDIATE:
pthread_yield();
return;
case TIME_INFINITE:
while(1)
sleep(60);
return;
default:
ts.tv_sec = ms / 1000;
ts.tv_nsec = (ms % 1000) * 1000;
nanosleep(&ts, 0);
return;
}
}
@ -56,13 +63,20 @@ void gfxSleepMicroseconds(delaytime_t ms) {
struct timespec ts;
switch(ms) {
case TIME_IMMEDIATE: pthread_yield(); return;
case TIME_INFINITE: while(1) sleep(60); return;
default:
ts.tv_sec = ms / 1000000;
ts.tv_nsec = ms % 1000000;
nanosleep(&ts, 0);
return;
case TIME_IMMEDIATE:
pthread_yield();
return;
case TIME_INFINITE:
while(1)
sleep(60);
return;
default:
ts.tv_sec = ms / 1000000;
ts.tv_nsec = ms % 1000000;
nanosleep(&ts, 0);
return;
}
}
@ -70,6 +84,7 @@ systemticks_t gfxSystemTicks(void) {
struct timespec ts;
clock_gettime(CLOCK_MONOTONIC, &ts);
return ts.tv_sec * 1000UL + ts.tv_nsec / 1000UL;
}
@ -77,14 +92,15 @@ gfxThreadHandle gfxThreadCreate(void *stackarea, size_t stacksz, threadpriority_
gfxThreadHandle th;
// Implementing priority with pthreads is a rats nest that is also pthreads implementation dependent.
// Only some pthreads schedulers support it, some implementations use the operating system process priority mechanisms.
// Even those that do support it can have different ranges of priority and "normal" priority is an undefined concept.
// Across different UNIX style operating systems things can be very different (let alone OS's such as Windows).
// Even just Linux changes the way priority works with different kernel schedulers and across kernel versions.
// For these reasons we ignore the priority.
// Only some pthreads schedulers support it, some implementations use the operating system process priority mechanisms.
// Even those that do support it can have different ranges of priority and "normal" priority is an undefined concept.
// Across different UNIX style operating systems things can be very different (let alone OS's such as Windows).
// Even just Linux changes the way priority works with different kernel schedulers and across kernel versions.
// For these reasons we ignore the priority.
if (pthread_create(&th, 0, fn, param))
return 0;
return th;
}
@ -93,6 +109,7 @@ threadreturn_t gfxThreadWait(gfxThreadHandle thread) {
if (pthread_join(thread, &retval))
return 0;
return retval;
}
@ -112,45 +129,52 @@ void gfxSemDestroy(gfxSem *pSem) {
bool_t gfxSemWait(gfxSem *pSem, delaytime_t ms) {
pthread_mutex_lock(&pSem->mtx);
switch (ms) {
case TIME_INFINITE:
while (!pSem->cnt)
pthread_cond_wait(&pSem->cond, &pSem->mtx);
break;
case TIME_IMMEDIATE:
if (!pSem->cnt) {
pthread_mutex_unlock(&pSem->mtx);
return FALSE;
}
break;
default:
{
struct timeval now;
struct timespec tm;
gettimeofday(&now);
tm.tv_sec = now.tv_sec + ms / 1000;
tm.tv_nsec = (now.tv_usec + ms % 1000) * 1000;
while (!pSem->cnt) {
if (pthread_cond_timedwait(&pSem->cond, &pSem->mtx, &tm) == ETIMEDOUT) {
pthread_mutex_unlock(&pSem->mtx);
return FALSE;
switch (ms) {
case TIME_INFINITE:
while (!pSem->cnt)
pthread_cond_wait(&pSem->cond, &pSem->mtx);
break;
case TIME_IMMEDIATE:
if (!pSem->cnt) {
pthread_mutex_unlock(&pSem->mtx);
return FALSE;
}
break;
default:
{
struct timeval now;
struct timespec tm;
gettimeofday(&now);
tm.tv_sec = now.tv_sec + ms / 1000;
tm.tv_nsec = (now.tv_usec + ms % 1000) * 1000;
while (!pSem->cnt) {
if (pthread_cond_timedwait(&pSem->cond, &pSem->mtx, &tm) == ETIMEDOUT) {
pthread_mutex_unlock(&pSem->mtx);
return FALSE;
}
}
}
}
break;
break;
}
pSem->cnt--;
pthread_mutex_unlock(&pSem->mtx);
return TRUE;
}
void gfxSemSignal(gfxSem *pSem) {
pthread_mutex_lock(&pSem->mtx);
if (pSem->cnt < pSem->max) {
pSem->cnt++;
pthread_cond_signal(&pSem->cond);
}
pthread_mutex_unlock(&pSem->mtx);
}
@ -162,6 +186,7 @@ semcount_t gfxSemCounter(gfxSem *pSem) {
pthread_mutex_lock(&pSem->mtx);
res = pSem->cnt;
pthread_mutex_unlock(&pSem->mtx);
return res;
}

View File

@ -18,11 +18,13 @@
static HANDLE SystemMutex;
void _gosInit(void) {
}
void gfxHalt(const char *msg) {
if (msg)
fprintf(stderr, "%s\n", msg);
ExitProcess(1);
}
@ -32,8 +34,13 @@ void gfxSleepMicroseconds(delaytime_t ms) {
LARGE_INTEGER t1, t2, tdiff;
switch(ms) {
case TIME_IMMEDIATE: return;
case TIME_INFINITE: while(1) Sleep(1000); return;
case TIME_IMMEDIATE:
return;
case TIME_INFINITE:
while(1)
Sleep(1000);
return;
}
if (!initflag) {
@ -81,6 +88,7 @@ semcount_t gfxSemCounter(gfxSem *pSem) {
NtQuerySemaphore = (_NtQuerySemaphore)GetProcAddress(GetModuleHandle("ntdll.dll"), "NtQuerySemaphore");
NtQuerySemaphore(*pSem, 0, &BasicInfo, sizeof(BasicInfo), NULL);
return BasicInfo.CurrentCount;
}
@ -90,8 +98,10 @@ gfxThreadHandle gfxThreadCreate(void *stackarea, size_t stacksz, threadpriority_
if (!(thd = CreateThread(NULL, stacksz, fn, param, CREATE_SUSPENDED, NULL)))
return FALSE;
SetThreadPriority(thd, prio);
ResumeThread(thd);
return thd;
}
@ -101,8 +111,10 @@ threadreturn_t gfxThreadWait(gfxThreadHandle thread) {
WaitForSingleObject(thread, INFINITE);
GetExitCodeThread(thread, &ret);
CloseHandle(thread);
return ret;
}
#endif /* GFX_USE_OS_WIN32 */
/** @} */