int killProcessGroup(uid_t uid, int initialPid, int signal)
{
int processes;
const int sleep_us = 5 * 1000; // 5ms
int64_t startTime = android::uptimeMillis();
int retry = 40;
while ((processes = killProcessGroupOnce(uid, initialPid, signal)) > 0) {
SLOGV("killed %d processes for processgroup %d\n", processes, initialPid);
if (retry > 0) {
usleep(sleep_us);
--retry;
} else {
SLOGE("failed to kill %d processes for processgroup %d\n",
processes, initialPid);
break;
}
}
SLOGV("Killed process group uid %d pid %d in %" PRId64 "ms, %d procs remain", uid, initialPid,
android::uptimeMillis()-startTime, processes);
if (processes == 0) {
return removeProcessGroup(uid, initialPid);
} else {
return -1;
}
}
int killProcessGroup(uid_t uid, int initialPid, int signal)
{
std::chrono::steady_clock::time_point start = std::chrono::steady_clock::now();
int retry = 40;
int processes;
while ((processes = killProcessGroupOnce(uid, initialPid, signal)) > 0) {
SLOGV("killed %d processes for processgroup %d\n", processes, initialPid);
if (retry > 0) {
usleep(5 * 1000); // 5ms
--retry;
} else {
SLOGE("failed to kill %d processes for processgroup %d\n", processes, initialPid);
break;
}
}
std::chrono::steady_clock::time_point end = std::chrono::steady_clock::now();
SLOGV("Killed process group uid %d pid %d in %dms, %d procs remain", uid, initialPid,
static_cast<int>(std::chrono::duration_cast<std::chrono::milliseconds>(end - start).count()),
processes);
if (processes == 0) {
return removeProcessGroup(uid, initialPid);
} else {
return -1;
}
}