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handle EINTR and EAGAIN

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Just do the call again instead of failing or logging an error.

Fixes #358
This commit is contained in:
Wim Taymans 2020-11-02 14:51:07 +01:00
parent 395a30b5d6
commit e094640c7b
8 changed files with 33 additions and 12 deletions
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16
pipewire-jack/src/pipewire-jack.c
View file

@ -1078,11 +1078,17 @@ static inline uint32_t cycle_run(struct client *c)
struct pw_node_activation *driver = c->rt.driver_activation;
/* this is blocking if nothing ready */
if (SPA_UNLIKELY(read(fd, &cmd, sizeof(cmd)) != sizeof(cmd))) {
pw_log_warn(NAME" %p: read failed %m", c);
if (errno == EWOULDBLOCK)
return 0;
} else if (SPA_UNLIKELY(cmd > 1))
while (true) {
if (SPA_UNLIKELY(read(fd, &cmd, sizeof(cmd)) != sizeof(cmd))) {
if (errno == EAGAIN || errno == EINTR)
continue;
if (errno == EWOULDBLOCK)
return 0;
pw_log_warn(NAME" %p: read failed %m", c);
}
break;
}
if (SPA_UNLIKELY(cmd > 1))
pw_log_warn(NAME" %p: missed %"PRIu64" wakeups", c, cmd - 1);
clock_gettime(CLOCK_MONOTONIC, &ts);

5
pipewire-pulseaudio/src/context.c
View file

@ -1654,11 +1654,14 @@ pa_operation* pa_context_subscribe(pa_context *c, pa_subscription_mask_t m, pa_c
static void io_event_cb(pa_mainloop_api*ea, pa_io_event* e, int fd, pa_io_event_flags_t events, void *userdata)
{
int res;
pa_context *c = userdata;
if (events & PA_IO_EVENT_INPUT) {
pw_log_debug("%p: iterate loop %p", c, c->loop);
pw_loop_enter(c->loop);
pw_loop_iterate(c->loop, -1);
do {
res = pw_loop_iterate(c->loop, 0);
} while (res == -EINTR || res == -EAGAIN);
pw_loop_leave(c->loop);
}
}

4
pipewire-pulseaudio/src/mainloop-glib.c
View file

@ -53,7 +53,9 @@ static gboolean source_dispatch (GSource *source, GSourceFunc callback, gpointer
int result;
pw_loop_enter (s->loop);
result = pw_loop_iterate (s->loop, 0);
do {
result = pw_loop_iterate (s->loop, 0);
} while (result == -EINTR || result == -EAGAIN);
pw_loop_leave (s->loop);
if (result < 0)

4
pipewire-pulseaudio/src/mainloop.c
View file

@ -352,7 +352,9 @@ int pa_mainloop_poll(pa_mainloop *m)
if (do_iterate) {
pw_loop_enter(m->loop);
res = pw_loop_iterate(m->loop, timeout);
do {
res = pw_loop_iterate(m->loop, timeout);
} while (res == -EINTR || res == -EAGAIN);
pw_loop_leave(m->loop);
}

2
src/examples/media-session/media-session.c
View file

@ -1345,6 +1345,8 @@ int sm_media_session_roundtrip(struct sm_media_session *sess)
pw_loop_enter(loop);
while (!done) {
if ((res = pw_loop_iterate(loop, -1)) < 0) {
if (res == -EINTR || res == -EAGAIN)
continue;
pw_log_warn(NAME" %p: iterate error %d (%s)",
loop, res, spa_strerror(res));
break;

4
src/pipewire/data-loop.c
View file

@ -43,7 +43,7 @@ int pw_data_loop_wait(struct pw_data_loop *this, int timeout)
break;
}
if ((res = pw_loop_iterate(this->loop, timeout)) < 0) {
if (errno == EINTR)
if (res == -EINTR || res == -EAGAIN)
continue;
}
break;
@ -77,7 +77,7 @@ static void *do_loop(void *user_data)
while (this->running) {
if ((res = pw_loop_iterate(this->loop, -1)) < 0) {
if (errno == EINTR)
if (res == -EINTR || res == -EAGAIN)
continue;
pw_log_error(NAME" %p: iterate error %d (%s)",
this, res, spa_strerror(res));

5
src/pipewire/main-loop.c
View file

@ -153,9 +153,12 @@ int pw_main_loop_run(struct pw_main_loop *loop)
loop->running = true;
pw_loop_enter(loop->loop);
while (loop->running) {
if ((res = pw_loop_iterate(loop->loop, -1)) < 0)
if ((res = pw_loop_iterate(loop->loop, -1)) < 0) {
if (res == -EINTR || res == -EAGAIN)
continue;
pw_log_warn(NAME" %p: iterate error %d (%s)",
loop, res, spa_strerror(res));
}
}
pw_loop_leave(loop->loop);
return res;

5
src/pipewire/thread-loop.c
View file

@ -238,9 +238,12 @@ static void *do_loop(void *user_data)
pw_loop_enter(this->loop);
while (this->running) {
if ((res = pw_loop_iterate(this->loop, -1)) < 0)
if ((res = pw_loop_iterate(this->loop, -1)) < 0) {
if (res == -EINTR || res == -EAGAIN)
continue;
pw_log_warn(NAME" %p: iterate error %d (%s)",
this, res, spa_strerror(res));
}
}
pw_log_debug(NAME" %p: leave thread", this);
pw_loop_leave(this->loop);