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SIM: In SMP simulation, use pthread_yield(), not up_hostusleep() to reliquish the CPU.

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This commit is contained in:
Gregory Nutt 2016-02-12 08:13:44 -06:00
parent 62e6275fe5
commit d22aa4b588
1 changed files with 5 additions and 6 deletions
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11
arch/sim/src/up_idle.c
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@ -99,8 +99,11 @@ void up_idle(void)
if (up_testset(&lock) != SP_UNLOCKED)
{
/* We didn't get it... just return and try again later */
/* We didn't get it... Give other pthreads/CPUs a shot and try again
* later.
*/
pthread_yield();
return;
}
#endif
@ -189,12 +192,8 @@ void up_idle(void)
lock = SP_UNLOCKED;
#if !defined(CONFIG_SIM_WALLTIME) && !defined(CONFIG_SIM_X11FB)
/* Give other pthreads/CPUs a shot */
//pthread_yield();
up_hostusleep(25*1000);
#endif
pthread_yield();
#endif
}