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module-rtp: Minor robustness improvement to PTP socket reading

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Mark socket as CLOEXEC like we do everything else, log when we flush
stale data, and check for errors in the while loop.
This commit is contained in:
Arun Raghavan 2024-07-05 09:07:32 -04:00 • committed by Wim Taymans
parent 858f534436
commit 9b33cea0f7
1 changed files with 5 additions and 3 deletions
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8
src/modules/module-rtp-sap.c
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@ -376,7 +376,7 @@ static bool is_multicast(struct sockaddr *sa, socklen_t salen)
static int make_unix_socket(const char *path) {
struct sockaddr_un addr;
spa_autoclose int fd = socket(AF_UNIX, SOCK_DGRAM, 0);
spa_autoclose int fd = socket(AF_UNIX, SOCK_DGRAM | SOCK_CLOEXEC, 0);
if (fd < 0) {
pw_log_warn("Failed to create PTP management socket");
return -1;
@ -529,9 +529,11 @@ static void update_ts_refclk(struct impl *impl)
// Read if something is left in the socket
int avail;
ioctl(impl->ptp_fd, FIONREAD, &avail);
uint8_t tmp;
while (avail--) read(impl->ptp_fd, &tmp, 1);
ioctl(impl->ptp_fd, FIONREAD, &avail);
pw_log_debug("Flushing stale data: %u bytes", avail);
while (avail-- && read(impl->ptp_fd, &tmp, 1));
struct ptp_management_msg req;
spa_zero(req);