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android: cgroups: Don't switch threads >= nice 10 when moving all threads to default

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Signed-off-by: San Mehat <san@google.com>
This commit is contained in:
San Mehat
2009-08-06 13:19:19 -07:00
parent 3efbdf6f25
commit 7e63789a0e
1 changed files with 18 additions and 1 deletions
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19
core/jni/android_util_Process.cpp
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@@ -251,10 +251,27 @@ void android_os_Process_setProcessGroup(JNIEnv* env, jobject clazz, int pid, jin
}
while ((de = readdir(d))) {
int t_pid;
int t_pri;
if (de->d_name[0] == '.')
continue;
t_pid = atoi(de->d_name);
if (add_pid_to_cgroup(atoi(de->d_name), grp)) {
if (!t_pid) {
LOGE("Error getting pid for '%s'\n", de->d_name);
continue;
}
t_pri = getpriority(PRIO_PROCESS, t_pid);
if (grp == ANDROID_TGROUP_DEFAULT &&
t_pri >= ANDROID_PRIORITY_BACKGROUND) {
// This task wants to stay at background
continue;
}
if (add_pid_to_cgroup(t_pid, grp)) {
// If the thread exited on us, ignore it and keep going
if (errno != ESRCH && errno != ENOENT) {
signalExceptionForGroupError(env, clazz, errno);