mirrors/pipewire
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/pipewire/pipewire.git synced 2025-11-01 22:58:50 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

handle read from timerfd correctly

Browse source 
When reading the timerfd gives an error, we should return right away
because the timeout did not happen.

If we change the timerfd timeout before reading it, we can get -EAGAIN.
Don't log an error in that case but wait for the new timeout.
This commit is contained in:
Wim Taymans 2022-12-09 17:30:31 +01:00
parent 3a443b4e1c
commit f44d55f6c2
14 changed files with 153 additions and 55 deletions
Download patch file Download diff file Expand all files Collapse all files

16
spa/plugins/audiotestsrc/audiotestsrc.c
View file

@ -34,6 +34,7 @@
#include <spa/support/loop.h>
#include <spa/utils/list.h>
#include <spa/utils/keys.h>
#include <spa/utils/result.h>
#include <spa/utils/string.h>
#include <spa/node/node.h>
#include <spa/node/utils.h>
@ -348,14 +349,20 @@ static void set_timer(struct impl *this, bool enabled)
}
}
static void read_timer(struct impl *this)
static int read_timer(struct impl *this)
{
uint64_t expirations;
int res = 0;
if (this->async || this->props.live) {
if (spa_system_timerfd_read(this->data_system, this->timer_source.fd, &expirations) < 0)
perror("read timerfd");
if ((res = spa_system_timerfd_read(this->data_system,
this->timer_source.fd, &expirations)) < 0) {
if (res != -EAGAIN)
spa_log_error(this->log, NAME " %p: timerfd error: %s",
this, spa_strerror(res));
}
}
return 0;
}
static int make_buffer(struct impl *this)
@ -369,7 +376,8 @@ static int make_buffer(struct impl *this)
uint32_t filled, avail;
uint32_t index, offset, l0, l1;
read_timer(this);
if (read_timer(this) < 0)
return 0;
if (spa_list_is_empty(&port->empty)) {
set_timer(this, false);