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Continue removing property debug.sys.noschedgroups

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Also 0 means gettid() for get_sched_policy() and set_sched_policy().

Change-Id: Ic12edc3df6c9b3e99eae5cffaf9f6fe56cf14043
This commit is contained in:
Glenn Kasten 2012-04-30 16:03:30 -07:00 committed by Alex Ray
parent 61db1669f4
commit fe34e45c21
1 changed files with 8 additions and 37 deletions
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45
libs/utils/Threads.cpp
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@ -68,20 +68,6 @@ 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;
@ -97,15 +83,10 @@ 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 if (prio > ANDROID_PRIORITY_AUDIO) {
set_sched_policy(androidGetTid(), SP_FOREGROUND);
} else {
// defaults to that of parent, or as set by requestPriority()
}
if (prio >= ANDROID_PRIORITY_BACKGROUND) {
set_sched_policy(0, SP_BACKGROUND);
} else {
set_sched_policy(0, SP_FOREGROUND);
}
if (name) {
@ -333,20 +314,10 @@ int androidSetThreadPriority(pid_t tid, int pri)
#if defined(HAVE_PTHREADS)
int lasterr = 0;
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(policy_tid, SP_BACKGROUND);
} else if (getpriority(PRIO_PROCESS, tid) >= ANDROID_PRIORITY_BACKGROUND) {
rc = set_sched_policy(policy_tid, SP_FOREGROUND);
}
if (pri >= ANDROID_PRIORITY_BACKGROUND) {
rc = set_sched_policy(tid, SP_BACKGROUND);
} else if (getpriority(PRIO_PROCESS, tid) >= ANDROID_PRIORITY_BACKGROUND) {
rc = set_sched_policy(tid, SP_FOREGROUND);
}
if (rc) {