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make priority of thread drop linux only - fallback. 

SVN revision: 51886
This commit is contained in:
Carsten Haitzler 2010-09-04 14:34:23 +00:00
parent 9049befccf
commit 360fb6511a
2 changed files with 28 additions and 5 deletions
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25
legacy/evas/src/lib/cache/evas_preload.c vendored
View File

@ -213,13 +213,30 @@ evas_preload_thread_run(void (*func_heavy) (void *data),
if (pthread_create(&pth->thread, NULL, (void *) _evas_preload_thread_worker, pth) == 0)
{
/* lower priority of async loader threads so they use up "bg cpu"
* as it was really intended to work */
#ifdef __linux__
struct sched_param param;
/* lower priority of async loader threads so they use up "bg cpu"
* as it was really intended to work.
* yes - this may fail if not root. there is no portable way to do
* this so try - if it fails. meh. nothnig to be done.
*/
memset(&param, 0, sizeof(param));
param.sched_priority = sched_get_priority_min(SCHED_RR);
pthread_setschedparam(pth->thread, SCHED_RR, &param);
param.sched_priority = sched_get_priority_max(SCHED_RR);
if (pthread_setschedparam(pth->thread, SCHED_RR, &param) != 0)
{
int newp;
errno = 0;
newp = getpriority(PRIO_PROCESS, 0);
if (errno == 0)
{
newp += 5;
if (newp > 19) newp = 19;
setpriority(PRIO_PROCESS, pth->thread, newp);
}
}
#endif
LKL(_mutex);
_evas_preload_thread_count++;

8
legacy/evas/src/lib/include/evas_common.h
View File

@ -133,7 +133,13 @@ extern EAPI int _evas_log_dom_global;
# include <pthread.h>
# include <sched.h>
# define LK(x) pthread_mutex_t x
#ifdef __linux__
# include <sys/time.h>
# include <sys/resource.h>
# include <errno.h>
#endif
#define LK(x) pthread_mutex_t x
#ifndef EVAS_FRAME_QUEUING
# define LKI(x) pthread_mutex_init(&(x), NULL);
#else