AFG/dump1090
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Catch SIGTERM, log on signals.

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Fixes #22.
This commit is contained in:
Oliver Jowett 2015-02-17 21:41:40 +00:00
parent 342eafd438
commit dcdfd2acab
1 changed files with 13 additions and 2 deletions
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15
dump1090.c
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@ -56,7 +56,6 @@ static int verbose_device_search(char *s);
// //
// ============================= Utility functions ========================== // ============================= Utility functions ==========================
// //
void sigintHandler(int dummy) {
static void log_with_timestamp(const char *format, ...) __attribute__((format (printf, 1, 2) )); static void log_with_timestamp(const char *format, ...) __attribute__((format (printf, 1, 2) ));
@ -81,9 +80,18 @@ static void log_with_timestamp(const char *format, ...)
fprintf(stderr, "%s %s\n", timebuf, msg); fprintf(stderr, "%s %s\n", timebuf, msg);
} }
static void sigintHandler(int dummy) {
MODES_NOTUSED(dummy); MODES_NOTUSED(dummy);
signal(SIGINT, SIG_DFL); // reset signal handler - bit extra safety signal(SIGINT, SIG_DFL); // reset signal handler - bit extra safety
Modes.exit = 1; // Signal to threads that we are done Modes.exit = 1; // Signal to threads that we are done
log_with_timestamp("Caught SIGINT, shutting down..\n");
}
static void sigtermHandler(int dummy) {
MODES_NOTUSED(dummy);
signal(SIGTERM, SIG_DFL); // reset signal handler - bit extra safety
Modes.exit = 1; // Signal to threads that we are done
log_with_timestamp("Caught SIGTERM, shutting down..\n");
} }
// //
// =============================== Terminal handling ======================== // =============================== Terminal handling ========================
@ -790,7 +798,10 @@ int main(int argc, char **argv) {
// Set sane defaults // Set sane defaults
modesInitConfig(); modesInitConfig();
signal(SIGINT, sigintHandler); // Define Ctrl/C handler (exit program)
// signal handlers:
signal(SIGINT, sigintHandler);
signal(SIGTERM, sigtermHandler);
// Parse the command line options // Parse the command line options
for (j = 1; j < argc; j++) { for (j = 1; j < argc; j++) {