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alsactl: don't exit on EINTR from epoll_wait().

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Previously, things like attaching strace to a running 'alsactl monitor'
process would cause it to exit.

Signed-off-by: Zev Weiss <zev@bewilderbeest.net>
Reviewed-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Tested-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Zev Weiss 2019-10-14 23:36:50 -05:00 committed by Jaroslav Kysela
parent 10e5cef85a
commit 5830fc726a
1 changed files with 2 additions and 0 deletions
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2
alsactl/monitor.c
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@ -342,6 +342,8 @@ static int run_dispatcher(int epfd, int sigfd, int infd, struct list_head *srcs,
count = epoll_wait(epfd, epev, max_ev_count, 200);
if (count < 0) {
if (errno == EINTR)
continue;
err = count;
break;
}