#include "util/u_thread.h"
#include "u_process.h"
+#if defined(__linux__)
+#include <sys/time.h>
+#include <sys/resource.h>
+#include <sys/syscall.h>
+#endif
+
+
/* Define 256MB */
#define S_256MB (256 * 1024 * 1024)
}
#endif
+#if defined(__linux__)
+ if (queue->flags & UTIL_QUEUE_INIT_USE_MINIMUM_PRIORITY) {
+ /* The nice() function can only set a maximum of 19. */
+ setpriority(PRIO_PROCESS, syscall(SYS_gettid), 19);
+ }
+#endif
+
if (strlen(queue->name) > 0) {
char name[16];
snprintf(name, sizeof(name), "%s%i", queue->name, thread_index);
}
if (queue->flags & UTIL_QUEUE_INIT_USE_MINIMUM_PRIORITY) {
-#if defined(__linux__) && defined(SCHED_IDLE)
+#if defined(__linux__) && defined(SCHED_BATCH)
struct sched_param sched_param = {0};
/* The nice() function can only set a maximum of 19.
- * SCHED_IDLE is the same as nice = 20.
+ * SCHED_BATCH gives the scheduler a hint that this is a latency
+ * insensitive thread.
*
* Note that Linux only allows decreasing the priority. The original
* priority can't be restored.
*/
- pthread_setschedparam(queue->threads[index], SCHED_IDLE, &sched_param);
+ pthread_setschedparam(queue->threads[index], SCHED_BATCH, &sched_param);
#endif
}
return true;