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| author | Thomas White <taw@physics.org> | 2012-07-13 18:52:06 +0200 |
|---|---|---|
| committer | Thomas White <taw@physics.org> | 2012-07-13 18:52:06 +0200 |
| commit | cc22322a0365213994647b9ba0bc04d0eec04217 (patch) | |
| tree | 42d3da7a1db8eff7e1eb657c956446088e5f660f | |
| parent | cb2623e64fed28efdc0d3b3de2338ab57684985b (diff) | |
Skeleton signal handler
| -rw-r--r-- | src/indexamajig.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/indexamajig.c b/src/indexamajig.c index 5a8bd816..f560b7b8 100644 --- a/src/indexamajig.c +++ b/src/indexamajig.c @@ -47,6 +47,7 @@ #include <pthread.h> #include <sys/wait.h> #include <fcntl.h> +#include <signal.h> #ifdef HAVE_CLOCK_GETTIME #include <time.h> @@ -671,6 +672,14 @@ static void run_reader(int *stream_pipe_read, int n_proc, FILE *ofh) } +static void signal_handler(int sig, siginfo_t *si, void *uc_v) +{ + struct ucontext_t *uc = uc_v; + + STATUS("Signal!\n"); +} + + int main(int argc, char *argv[]) { int c; @@ -736,6 +745,8 @@ int main(int argc, char *argv[]) int allDone; int *finished; pid_t pr; + struct sigaction sa; + int r; copyme = new_copy_hdf5_field_list(); if ( copyme == NULL ) { @@ -1196,6 +1207,16 @@ int main(int argc, char *argv[]) } + /* Set up signal handler to take action if any children die */ + sa.sa_flags = SA_SIGINFO | SA_NOCLDSTOP; + sigemptyset(&sa.sa_mask); + sa.sa_sigaction = signal_handler; + r = sigaction(SIGCHLD, &sa, NULL); + if ( r == -1 ) { + ERROR("Failed to set signal handler!\n"); + return 1; + } + /* Free resources needed by reader only */ if ( ofh != stdout ) fclose(ofh); for ( i=0; i<n_proc; i++ ) { |