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FMC TDC 1ns 5cha - Software
Commit 969d7208 authored by Federico Vaga's avatar Federico Vaga
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tools: handle sigint signal 

Signed-off-by: Federico Vaga's avatarFederico Vaga <federico.vaga@cern.ch>
parent 198ac041
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Showing with 20 additions and 2 deletions
tools/fmc-tdc-tstamp.c
View file @ 969d7208
......@@ -21,6 +21,7 @@
#include <unistd.h>
#include <fcntl.h>
#include <inttypes.h>
#include <signal.h>
#include <getopt.h>
......@@ -28,6 +29,7 @@
/* Previous time stamp for each channel */
struct fmctdc_time ts_prev[FMCTDC_NUM_CHANNELS];
static unsigned int stop = 0;
void dump_timestamp(struct fmctdc_time ts, int fmt_wr)
......@@ -111,6 +113,12 @@ static void tstamp_flush(struct fmctdc_board *brd, int ch, int flush)
ch, fmctdc_strerror(errno));
}
static void termination_handler(int signum)
{
fprintf(stderr, "\nfmc-tdc-tstamp: killing application\n");
stop = 1;
}
int main(int argc, char **argv)
{
struct fmctdc_board *brd;
......@@ -124,7 +132,16 @@ int main(int argc, char **argv)
int fmt_wr = 0, flush = 0, read = 0;
char opt;
fd_set rfds;
struct sigaction new_action, old_action;
/* Set up the structure to specify the new action. */
new_action.sa_handler = termination_handler;
sigemptyset (&new_action.sa_mask);
new_action.sa_flags = 0;
sigaction (SIGINT, NULL, &old_action);
if (old_action.sa_handler != SIG_IGN)
sigaction (SIGINT, &new_action, NULL);
atexit(fmctdc_exit);
/* Initialize FMC TDC library */
......@@ -242,7 +259,8 @@ int main(int argc, char **argv)
fmctdc_set_acquisition(brd, 1);
/* Read Time-Stamps */
n = 0;
while (n < n_samples || n_samples <= 0) {
while ((n < n_samples || n_samples <= 0) && (!stop)) {
/* Check for pending signal */
nfds = 0;
/* Prepare the list of channel to observe */
......@@ -264,7 +282,7 @@ int main(int argc, char **argv)
if (!nblock && ret <= 0) {
if (ret < 0)
fprintf(stderr,
"Error while waiting for timestamp: %s",
"Error while waiting for timestamp: %s\n",
strerror(errno));
continue;
}
......
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