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debuggerd: waitpid for all children, and log the result.

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Change-Id: Ic575e6db76ab153b4b238589a8cd299812d0e046
This commit is contained in:
Josh Gao 2016-03-23 14:02:52 -07:00
parent 24464185eb
commit 2808005521
1 changed files with 12 additions and 1 deletions
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13
debuggerd/debuggerd.cpp
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@ -580,9 +580,20 @@ static void monitor_worker_process(int child_pid, const debugger_request_t& requ
siginfo_t siginfo;
int signal = TEMP_FAILURE_RETRY(sigtimedwait(&signal_set, &siginfo, &timeout));
if (signal == SIGCHLD) {
pid_t rc = waitpid(0, &status, WNOHANG | WUNTRACED);
pid_t rc = waitpid(-1, &status, WNOHANG | WUNTRACED);
if (rc != child_pid) {
ALOGE("debuggerd: waitpid returned unexpected pid (%d), committing murder-suicide", rc);
if (WIFEXITED(status)) {
ALOGW("debuggerd: pid %d exited with status %d", rc, WEXITSTATUS(status));
} else if (WIFSIGNALED(status)) {
ALOGW("debuggerd: pid %d received signal %d", rc, WTERMSIG(status));
} else if (WIFSTOPPED(status)) {
ALOGW("debuggerd: pid %d stopped by signal %d", rc, WSTOPSIG(status));
} else if (WIFCONTINUED(status)) {
ALOGW("debuggerd: pid %d continued", rc);
}
kill_worker = true;
kill_target = true;
kill_self = true;