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
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@ -326,7 +326,7 @@ static void usage(char *progname)
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int main(int argc, char *argv[])
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int main(int argc, char *argv[])
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{
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{
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char *iface_name = NULL, *progname;
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char *iface_name = NULL, *progname;
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int c, cnt, length;
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int c, cnt, length, tmo = -1;
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char line[1024];
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char line[1024];
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enum transport_type transport_type = TRANS_UDP_IPV4;
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enum transport_type transport_type = TRANS_UDP_IPV4;
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struct ptp_message *msg;
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struct ptp_message *msg;
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@ -404,7 +404,7 @@ int main(int argc, char *argv[])
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print_set_verbose(1);
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print_set_verbose(1);
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while (1) {
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while (1) {
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cnt = poll(pollfd, N_FD, -1);
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cnt = poll(pollfd, N_FD, tmo);
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if (cnt < 0) {
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if (cnt < 0) {
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if (EINTR == errno) {
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if (EINTR == errno) {
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continue;
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continue;
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@ -413,7 +413,17 @@ int main(int argc, char *argv[])
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return -1;
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return -1;
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}
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}
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} else if (!cnt) {
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} else if (!cnt) {
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continue;
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break;
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}
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if (pollfd[0].revents & POLLHUP) {
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if (tmo == -1) {
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/* Wait a bit longer for outstanding replies. */
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tmo = 1000;
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pollfd[0].fd = -1;
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pollfd[0].events = 0;
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} else {
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break;
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}
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}
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}
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if (pollfd[0].revents & (POLLIN|POLLPRI)) {
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if (pollfd[0].revents & (POLLIN|POLLPRI)) {
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if (!fgets(line, sizeof(line), stdin)) {
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if (!fgets(line, sizeof(line), stdin)) {
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