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pass sighup into child

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This commit is contained in:
David Rose 2010-11-09 05:37:20 +00:00
parent 9a62972b30
commit 44d8c41937
1 changed files with 27 additions and 0 deletions
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27
direct/src/autorestart/autorestart.c
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@ -232,6 +232,7 @@ do_watchdog(int *status_ptr) {
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, watchdog_bitbucket); curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, watchdog_bitbucket);
curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, error_buffer); curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, error_buffer);
curl_easy_setopt(curl, CURLOPT_USERAGENT, "autorestart"); curl_easy_setopt(curl, CURLOPT_USERAGENT, "autorestart");
curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1);
res = curl_easy_perform(curl); res = curl_easy_perform(curl);
while (res == 0) { while (res == 0) {
@ -395,6 +396,23 @@ sigterm_handler() {
exit(1); exit(1);
} }
void
sighup_handler() {
time_t now;
char time_buffer[TIME_BUFFER_SIZE];
now = time(NULL);
strftime(time_buffer, TIME_BUFFER_SIZE, "%T on %A, %d %b %Y", localtime(&now));
fprintf(stderr, "\nsighup caught at %s.\n", time_buffer);
if (child_pid == 0) {
fprintf(stderr, "no child process.\n\n");
} else {
kill(child_pid, SIGHUP);
}
}
void void
sigalarm_handler() { sigalarm_handler() {
fprintf(stderr, "sleep epoch was complete.\n"); fprintf(stderr, "sleep epoch was complete.\n");
@ -423,6 +441,15 @@ do_autorestart() {
perror("sigaction"); perror("sigaction");
} }
/* Set up a signal handler to trap SIGHUP. We pass this into the
child. */
sa.sa_handler = sighup_handler;
sigemptyset(&sa.sa_mask);
sa.sa_flags = 0;
if (sigaction(SIGHUP, &sa, NULL) < 0) {
perror("sigaction");
}
if (logfile_fd >= 0) { if (logfile_fd >= 0) {
/* If we have a logfile, dup it onto stdout and stderr. */ /* If we have a logfile, dup it onto stdout and stderr. */
dup2(logfile_fd, STDOUT_FILENO); dup2(logfile_fd, STDOUT_FILENO);