mirrors/alsa-lib
1
0
Fork 0
mirror of https://github.com/alsa-project/alsa-lib.git synced 2025-11-04 13:30:08 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

PCM direct plugins - handle EINTR in the resource server

Browse source 
The poll() call in the resource server for PCM direct plugins might be
interrupted with an signal. Handle the case gracefuly and don't exit
the server (which brings another problems - cannot connect to socket -
later).
This commit is contained in:
Jaroslav Kysela 2005-08-18 10:42:22 +00:00
parent ea77e08cc6
commit f1acd7726c
1 changed files with 6 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

8
src/pcm/pcm_direct.c
View file

@ -288,9 +288,13 @@ static void server_job(snd_pcm_direct_t *dmix)
server_printf("DIRECT SERVER STARTED\n");
while (1) {
ret = poll(pfds, current + 1, 500);
server_printf("DIRECT SERVER: poll ret = %i, revents[0] = 0x%x\n", ret, pfds[0].revents);
if (ret < 0) /* some error */
server_printf("DIRECT SERVER: poll ret = %i, revents[0] = 0x%x, errno = %i\n", ret, pfds[0].revents, errno);
if (ret < 0) {
if (errno == EINTR)
continue;
/* some error */
break;
}
if (ret == 0 || (pfds[0].revents & (POLLERR | POLLHUP))) { /* timeout or error? */
struct shmid_ds buf;
snd_pcm_direct_semaphore_down(dmix, DIRECT_IPC_SEM_CLIENT);