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This commit is contained in:
Alexey Milovidov 2020-12-22 09:45:08 +03:00
parent f977184028
commit 3dafd4bb49
1 changed files with 6 additions and 2 deletions
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8
base/daemon/BaseDaemon.cpp
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@ -944,13 +944,17 @@ void BaseDaemon::setupWatchdog()
{SIGHUP, SIGUSR1, SIGINT, SIGQUIT, SIGTERM},
[](int sig, siginfo_t *, void *)
{
/// Forward all signals except INT as it is send by shell to both processes when user press Ctrl+C.
/// Forward all signals except INT as it can be send by terminal to the process group when user press Ctrl+C,
/// and we process double delivery of this signal as immediate termination.
if (sig == SIGINT)
return;
const char * error_message = "Cannot forward signal to the child process.\n";
if (0 != ::kill(pid, sig))
(void)write(STDERR_FILENO, error_message, strlen(error_message));
{
auto res = write(STDERR_FILENO, error_message, strlen(error_message));
(void)res;
}
},
nullptr);