diff options
Diffstat (limited to 'libs/utils/Threads.cpp')
-rw-r--r-- | libs/utils/Threads.cpp | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/libs/utils/Threads.cpp b/libs/utils/Threads.cpp index 8b5da0e..df2fb19 100644 --- a/libs/utils/Threads.cpp +++ b/libs/utils/Threads.cpp @@ -332,10 +332,17 @@ int androidSetThreadPriority(pid_t tid, int pri) pthread_once(&gDoSchedulingGroupOnce, checkDoSchedulingGroup); if (gDoSchedulingGroup) { + // set_sched_policy does not support tid == 0 + int policy_tid; + if (tid == 0) { + policy_tid = androidGetTid(); + } else { + policy_tid = tid; + } if (pri >= ANDROID_PRIORITY_BACKGROUND) { - rc = set_sched_policy(tid, SP_BACKGROUND); + rc = set_sched_policy(policy_tid, SP_BACKGROUND); } else if (getpriority(PRIO_PROCESS, tid) >= ANDROID_PRIORITY_BACKGROUND) { - rc = set_sched_policy(tid, SP_FOREGROUND); + rc = set_sched_policy(policy_tid, SP_FOREGROUND); } } |