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udevmonitor: cleanup on exit

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We want to write the output buffer before
we exit, otherwise redirection to a file
does not work correctly.

Signed-off-by: Kay Sievers <kay.sievers@suse.de>
This commit is contained in:
Kay Sievers 2005-08-25 00:38:25 +02:00
parent 8d77c6a383
commit 9ae611be33
1 changed files with 18 additions and 1 deletions
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19
udevmonitor.c
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@ -25,6 +25,7 @@
#include <fcntl.h>
#include <time.h>
#include <errno.h>
#include <signal.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <sys/select.h>
@ -38,6 +39,7 @@
static int uevent_netlink_sock;
static int udev_monitor_sock;
static volatile int udev_exit;
static int init_udev_monitor_socket(void)
{
@ -101,8 +103,15 @@ static int init_uevent_netlink_sock(void)
return 0;
}
static void asmlinkage sig_handler(int signum)
{
if (signum == SIGINT || signum == SIGTERM)
udev_exit = 1;
}
int main(int argc, char *argv[])
{
struct sigaction act;
int env = 0;
fd_set readfds;
int i;
@ -129,6 +138,14 @@ int main(int argc, char *argv[])
exit(2);
}
/* set signal handlers */
memset(&act, 0x00, sizeof(struct sigaction));
act.sa_handler = (void (*)(int)) sig_handler;
sigemptyset(&act.sa_mask);
act.sa_flags = SA_RESTART;
sigaction(SIGINT, &act, NULL);
sigaction(SIGTERM, &act, NULL);
retval = init_udev_monitor_socket();
if (retval)
goto out;
@ -139,7 +156,7 @@ int main(int argc, char *argv[])
printf("udevmonitor prints the received event from the kernel [UEVENT]\n"
"and the event which udev sends out after rule processing [UDEV]\n\n");
while (1) {
while (!udev_exit) {
static char buf[UEVENT_BUFFER_SIZE*2];
ssize_t buflen;
int fdcount;