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check for device access before open

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Devaev Maxim
2020-09-28 04:29:02 +03:00
parent 45b1e2f285
commit c7e6e5e006
1 changed files with 13 additions and 0 deletions
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13
src/stream.c
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@@ -303,10 +303,23 @@ void stream_switch_slowdown(struct stream_t *stream, bool slowdown) {
static struct _workers_pool_t *_stream_init_loop(struct stream_t *stream) {
struct _workers_pool_t *pool = NULL;
bool wait_for_access = false;
LOG_DEBUG("%s: stream->proc->stop=%d", __FUNCTION__, atomic_load(&stream->proc->stop));
while (!atomic_load(&stream->proc->stop)) {
if (access(stream->dev->path, R_OK) < 0) {
if (!wait_for_access) {
LOG_PERROR("Can't access device");
LOG_INFO("Waiting for the device access ...");
wait_for_access = true;
}
sleep(stream->dev->error_delay);
continue;
} else {
wait_for_access = false;
}
SEP_INFO('=');
if ((pool = _stream_init_one(stream)) == NULL) {