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removed cpu mask and thread affinity code from src/osd/sdl/sdlwork.c as suggested by couriersud (nw)

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Oliver Stöneberg 2014-09-20 08:40:48 +00:00
parent 83eb94cd34
commit a841aa4054
1 changed files with 0 additions and 47 deletions
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47
src/osd/sdl/sdlwork.c
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@ -45,7 +45,6 @@ int osd_num_processors = 0;
//============================================================
#define ENV_PROCESSORS "OSDPROCESSORS"
#define ENV_CPUMASKS "OSDCPUMASKS"
#define ENV_WORKQUEUEMAXTHREADS "OSDWORKQUEUEMAXTHREADS"
#define INFINITE (osd_ticks_per_second() * (osd_ticks_t) 10000)
@ -138,7 +137,6 @@ int osd_num_processors = 0;
//============================================================
static int effective_num_processors(void);
static UINT32 effective_cpu_mask(int index);
static void * worker_thread_entry(void *param);
static void worker_thread_process(osd_work_queue *queue, work_thread_info *thread);
@ -220,14 +218,6 @@ osd_work_queue *osd_work_queue_alloc(int flags)
osd_thread_adjust_priority(thread->handle, 1);
else
osd_thread_adjust_priority(thread->handle, 0);
// Bind main thread to cpu 0
osd_thread_cpu_affinity(NULL, effective_cpu_mask(0));
if (flags & WORK_QUEUE_FLAG_IO)
osd_thread_cpu_affinity(thread->handle, effective_cpu_mask(1));
else
osd_thread_cpu_affinity(thread->handle, effective_cpu_mask(2+threadnum) );
}
// start a timer going for "waittime" on the main thread
@ -593,43 +583,6 @@ static int effective_num_processors(void)
}
}
//============================================================
// effective_cpu_mask
//============================================================
static UINT32 effective_cpu_mask(int index)
{
char *s;
char buf[5];
UINT32 mask = 0xFFFF;
s = osd_getenv(ENV_CPUMASKS);
if (s != NULL && strcmp(s,"none"))
{
if (!strcmp(s,"auto"))
{
if (index<2)
mask = 0x01; /* main thread and io threads on cpu #0 */
else
mask = (1 << (((index - 1) % (osd_get_num_processors() - 1)) + 1));
}
else
{
if (strlen(s) % 4 != 0 || strlen(s) < (index+1)*4)
{
fprintf(stderr,"Invalid cpu mask @index %d: %s\n", index, s);
}
else
{
memcpy(buf,s+4*index,4);
buf[4] = 0;
if (sscanf(buf, "%04x", &mask) != 1)
fprintf(stderr,"Invalid cpu mask element %d: %s\n", index, buf);
}
}
}
return mask;
}
//============================================================
// worker_thread_entry