diff options
| -rw-r--r-- | chat.c | 22 |
1 files changed, 22 insertions, 0 deletions
@@ -39,6 +39,7 @@ #include <stdlib.h> #include <string.h> #include <sys/stat.h> +#include <sys/time.h> #include <sys/wait.h> #include <sysexits.h> #include <time.h> @@ -329,6 +330,7 @@ int main(int argc, char *argv[]) { uiInitLate(); signal(SIGHUP, signalHandler); signal(SIGINT, signalHandler); + signal(SIGALRM, signalHandler); signal(SIGTERM, signalHandler); signal(SIGCHLD, signalHandler); sig_t cursesWinch = signal(SIGWINCH, signalHandler); @@ -348,6 +350,7 @@ int main(int argc, char *argv[]) { fcntl(execPipe[1], F_SETFD, FD_CLOEXEC); } + bool ping = false; struct pollfd fds[] = { { .events = POLLIN, .fd = STDIN_FILENO }, { .events = POLLIN, .fd = irc }, @@ -367,6 +370,25 @@ int main(int argc, char *argv[]) { if (signals[SIGHUP]) self.quit = "zzz"; if (signals[SIGINT] || signals[SIGTERM]) break; + if (nfds > 0 && fds[1].revents) { + ping = false; + struct itimerval timer = { + .it_value.tv_sec = 2 * 60, + .it_interval.tv_sec = 30, + }; + int error = setitimer(ITIMER_REAL, &timer, NULL); + if (error) err(EX_OSERR, "setitimer"); + } + if (signals[SIGALRM]) { + signals[SIGALRM] = 0; + if (ping) { + errx(EX_UNAVAILABLE, "ping timeout"); + } else { + ircFormat("PING nyaa\r\n"); + ping = true; + } + } + if (signals[SIGCHLD]) { signals[SIGCHLD] = 0; for (int status; 0 < waitpid(-1, &status, WNOHANG);) { |