diff options
| author | 2010-09-09 15:50:18 -0700 | |
|---|---|---|
| committer | 2010-09-09 22:12:25 -0700 | |
| commit | a8512a71d3c2e3e67bbccf11251ed594d66f1f25 (patch) | |
| tree | 8550bb81ded879af0ce408e8028e6a87812335eb /libs/utils/Threads.cpp | |
| parent | a7d868d4f99dfaf85e13498210aecf1ad8efd859 (diff) | |
Always set the scheduling group when starting a new thread.
Change-Id: Ia33acf13fc3752707f3819928c36315e223fa1bd
Diffstat (limited to 'libs/utils/Threads.cpp')
| -rw-r--r-- | libs/utils/Threads.cpp | 39 |
1 files changed, 23 insertions, 16 deletions
diff --git a/libs/utils/Threads.cpp b/libs/utils/Threads.cpp index e5ece8e8a25a..f6c55e4d89de 100644 --- a/libs/utils/Threads.cpp +++ b/libs/utils/Threads.cpp @@ -65,6 +65,20 @@ using namespace android; typedef void* (*android_pthread_entry)(void*); +static pthread_once_t gDoSchedulingGroupOnce = PTHREAD_ONCE_INIT; +static bool gDoSchedulingGroup = true; + +static void checkDoSchedulingGroup(void) { + char buf[PROPERTY_VALUE_MAX]; + int len = property_get("debug.sys.noschedgroups", buf, ""); + if (len > 0) { + int temp; + if (sscanf(buf, "%d", &temp) == 1) { + gDoSchedulingGroup = temp == 0; + } + } +} + struct thread_data_t { thread_func_t entryFunction; void* userData; @@ -80,6 +94,15 @@ struct thread_data_t { char * name = t->threadName; delete t; setpriority(PRIO_PROCESS, 0, prio); + pthread_once(&gDoSchedulingGroupOnce, checkDoSchedulingGroup); + if (gDoSchedulingGroup) { + if (prio >= ANDROID_PRIORITY_BACKGROUND) { + set_sched_policy(androidGetTid(), SP_BACKGROUND); + } else { + set_sched_policy(androidGetTid(), SP_FOREGROUND); + } + } + if (name) { #if defined(HAVE_PRCTL) // Mac OS doesn't have this, and we build libutil for the host too @@ -281,22 +304,6 @@ pid_t androidGetTid() #endif } -#if defined(HAVE_PTHREADS) -static pthread_once_t gDoSchedulingGroupOnce = PTHREAD_ONCE_INIT; -static bool gDoSchedulingGroup = true; - -static void checkDoSchedulingGroup(void) { - char buf[PROPERTY_VALUE_MAX]; - int len = property_get("debug.sys.noschedgroups", buf, ""); - if (len > 0) { - int temp; - if (sscanf(buf, "%d", &temp) == 1) { - gDoSchedulingGroup = temp == 0; - } - } -} -#endif - int androidSetThreadSchedulingGroup(pid_t tid, int grp) { if (grp > ANDROID_TGROUP_MAX || grp < 0) { |