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polybar
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fix(controller): Check eventpipe reads/writes

This commit is contained in:
Michael Carlberg 2016-12-20 05:36:10 +01:00
parent edafb52302
commit cd31d92713
1 changed files with 9 additions and 3 deletions
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12
src/components/controller.cpp
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@ -29,7 +29,9 @@ sig_atomic_t g_terminate{0};
void interrupt_handler(int signum) {
g_terminate = 1;
g_reload = (signum == SIGUSR1);
write(g_eventpipe[PIPE_WRITE], &g_terminate, 1);
if (write(g_eventpipe[PIPE_WRITE], &g_terminate, 1) == -1) {
throw system_error("Failed to write to eventpipe");
}
}
/**
@ -187,7 +189,9 @@ bool controller::enqueue(event&& evt) {
m_log.warn("Failed to enqueue event");
return false;
}
write(g_eventpipe[PIPE_WRITE], " ", 1);
if (write(g_eventpipe[PIPE_WRITE], " ", 1) == -1) {
m_log.err("Failed to write to eventpipe (reason: %s)", strerror(errno));
}
return true;
}
@ -251,7 +255,9 @@ void controller::read_events() {
if (fd_event && FD_ISSET(fd_event, &readfds)) {
process_eventqueue();
char buffer[BUFSIZ]{'\0'};
read(fd_event, &buffer, BUFSIZ);
if (read(fd_event, &buffer, BUFSIZ) == -1) {
m_log.err("Failed to read from eventpipe (err: %s)", strerror(errno));
}
}
// Process event on the config inotify watch fd