Continue removing property debug.sys.noschedgroups
Also 0 means gettid() for get_sched_policy() and set_sched_policy().
Change-Id: Ic12edc3df6c9b3e99eae5cffaf9f6fe56cf14043
diff --git a/libs/utils/Threads.cpp b/libs/utils/Threads.cpp
index a25a81f..f201fc7 100644
--- a/libs/utils/Threads.cpp
+++ b/libs/utils/Threads.cpp
@@ -68,20 +68,6 @@
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 @@
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 @@
#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) {