unify term/crash handlers, include SIGINT

We print different things for crashes and for external termination
signals, which is a waste.  Might as well print the union for all.

This adds SIGINT (Ctrl-C, signal 2, exit code 130) to the list too.

(The flag to ignore sigint should still work.)

Change-Id: I91db023eb68e4798eed15d1f4d76b20b52a174cc
Reviewed-on: https://skia-review.googlesource.com/138160
Auto-Submit: Mike Klein <mtklein@google.com>
Reviewed-by: Joe Gregorio <jcgregorio@google.com>
Commit-Queue: Joe Gregorio <jcgregorio@google.com>
This commit is contained in:
Mike Klein 2018-06-28 14:08:19 +00:00 committed by Skia Commit-Bot
parent 2df9b45ab9
commit 701a35812e

View File

@ -268,7 +268,10 @@ static void find_culprit() {
static void crash_handler(int sig) {
SkAutoMutexAcquire lock(gMutex);
info("\nCaught signal %d [%s], was running:\n", sig, strsignal(sig));
info("\nCaught signal %d [%s] (%dMB RAM, peak %dMB), was running:\n",
sig, strsignal(sig),
sk_tools::getCurrResidentSetSizeMB(), sk_tools::getMaxResidentSetSizeMB());
for (auto& task : gRunning) {
task.dump();
}
@ -289,21 +292,11 @@ static void find_culprit() {
raise(sig);
}
static void term_handler(int sig) {
info("\nWe have been politely asked to die by %s (%d)."
"\nCurrently using %dMB RAM, peak %dMB.\n",
strsignal(sig), sig,
sk_tools::getCurrResidentSetSizeMB(), sk_tools::getMaxResidentSetSizeMB());
signal(sig, previous_handler[sig]);
raise(sig);
}
static void setup_crash_handler() {
const int kSignals[] = { SIGABRT, SIGBUS, SIGFPE, SIGILL, SIGSEGV };
const int kSignals[] = { SIGABRT, SIGBUS, SIGFPE, SIGILL, SIGINT, SIGSEGV, SIGTERM };
for (int sig : kSignals) {
previous_handler[sig] = signal(sig, crash_handler);
}
previous_handler[SIGTERM] = signal(SIGTERM, term_handler);
if (FLAGS_ignoreSigInt) {
signal(SIGINT, SIG_IGN);