pmc: look for POLLHUP in order to work with piped input and redirection.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>master
parent
9b2a6d543c
commit
8f6d2549b1
16
pmc.c
16
pmc.c
|
@ -326,7 +326,7 @@ static void usage(char *progname)
|
|||
int main(int argc, char *argv[])
|
||||
{
|
||||
char *iface_name = NULL, *progname;
|
||||
int c, cnt, length;
|
||||
int c, cnt, length, tmo = -1;
|
||||
char line[1024];
|
||||
enum transport_type transport_type = TRANS_UDP_IPV4;
|
||||
struct ptp_message *msg;
|
||||
|
@ -404,7 +404,7 @@ int main(int argc, char *argv[])
|
|||
print_set_verbose(1);
|
||||
|
||||
while (1) {
|
||||
cnt = poll(pollfd, N_FD, -1);
|
||||
cnt = poll(pollfd, N_FD, tmo);
|
||||
if (cnt < 0) {
|
||||
if (EINTR == errno) {
|
||||
continue;
|
||||
|
@ -413,7 +413,17 @@ int main(int argc, char *argv[])
|
|||
return -1;
|
||||
}
|
||||
} else if (!cnt) {
|
||||
continue;
|
||||
break;
|
||||
}
|
||||
if (pollfd[0].revents & POLLHUP) {
|
||||
if (tmo == -1) {
|
||||
/* Wait a bit longer for outstanding replies. */
|
||||
tmo = 1000;
|
||||
pollfd[0].fd = -1;
|
||||
pollfd[0].events = 0;
|
||||
} else {
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (pollfd[0].revents & (POLLIN|POLLPRI)) {
|
||||
if (!fgets(line, sizeof(line), stdin)) {
|
||||
|
|
Loading…
Reference in New Issue