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SIGPIPE is handled in main daemon

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topjohnwu 2018-07-03 01:37:33 +08:00
parent 2c4001387e
commit 513d732934
1 changed files with 0 additions and 14 deletions
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14
su_daemon.c
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@ -358,24 +358,10 @@ void su_daemon_receiver(int client, struct ucred *credential) {
else
code = -1;
/* Passing the return code back to the client:
* The client might be closed unexpectedly (e.g. swipe a root app out of recents)
* In that case, writing to the client (which doesn't exist) will result in SIGPIPE
* Here we simply just ignore the situation.
*/
struct sigaction act;
memset(&act, 0, sizeof(act));
act.sa_handler = SIG_IGN;
sigaction(SIGPIPE, &act, NULL);
LOGD("su: return code: [%d]\n", code);
write(client, &code, sizeof(code));
close(client);
// Restore default handler for SIGPIPE
act.sa_handler = SIG_DFL;
sigaction(SIGPIPE, &act, NULL);
return;
}