[alsa-devel] [PATCH] alsactl: don't exit on EINTR from epoll_wait().

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

Signed-off-by: Zev Weiss zev@bewilderbeest.net --- alsactl/monitor.c | 2 ++ 1 file changed, 2 insertions(+)

diff --git a/alsactl/monitor.c b/alsactl/monitor.c index 6b090e4f5c92..cf4167bee165 100644 --- a/alsactl/monitor.c +++ b/alsactl/monitor.c @@ -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; }