don't handle EINTR and EAGAIN as the same

EAGAIN means a non-blocking operation would block and we should not
try again right away but leave the loop and wait instead.

See #358
This commit is contained in:
Wim Taymans 2020-11-02 16:43:56 +01:00
parent e094640c7b
commit c43026d93e
8 changed files with 10 additions and 10 deletions

View file

@ -1080,9 +1080,9 @@ static inline uint32_t cycle_run(struct client *c)
/* this is blocking if nothing ready */
while (true) {
if (SPA_UNLIKELY(read(fd, &cmd, sizeof(cmd)) != sizeof(cmd))) {
if (errno == EAGAIN || errno == EINTR)
if (errno == EINTR)
continue;
if (errno == EWOULDBLOCK)
if (errno == EWOULDBLOCK || errno == EAGAIN)
return 0;
pw_log_warn(NAME" %p: read failed %m", c);
}

View file

@ -1661,7 +1661,7 @@ static void io_event_cb(pa_mainloop_api*ea, pa_io_event* e, int fd, pa_io_event_
pw_loop_enter(c->loop);
do {
res = pw_loop_iterate(c->loop, 0);
} while (res == -EINTR || res == -EAGAIN);
} while (res == -EINTR);
pw_loop_leave(c->loop);
}
}

View file

@ -55,7 +55,7 @@ static gboolean source_dispatch (GSource *source, GSourceFunc callback, gpointer
pw_loop_enter (s->loop);
do {
result = pw_loop_iterate (s->loop, 0);
} while (result == -EINTR || result == -EAGAIN);
} while (result == -EINTR);
pw_loop_leave (s->loop);
if (result < 0)

View file

@ -354,7 +354,7 @@ int pa_mainloop_poll(pa_mainloop *m)
pw_loop_enter(m->loop);
do {
res = pw_loop_iterate(m->loop, timeout);
} while (res == -EINTR || res == -EAGAIN);
} while (res == -EINTR);
pw_loop_leave(m->loop);
}

View file

@ -1345,7 +1345,7 @@ 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)
if (res == -EINTR)
continue;
pw_log_warn(NAME" %p: iterate error %d (%s)",
loop, res, spa_strerror(res));

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 (res == -EINTR || res == -EAGAIN)
if (res == -EINTR)
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 (res == -EINTR || res == -EAGAIN)
if (res == -EINTR)
continue;
pw_log_error(NAME" %p: iterate error %d (%s)",
this, res, spa_strerror(res));

View file

@ -154,7 +154,7 @@ int pw_main_loop_run(struct pw_main_loop *loop)
pw_loop_enter(loop->loop);
while (loop->running) {
if ((res = pw_loop_iterate(loop->loop, -1)) < 0) {
if (res == -EINTR || res == -EAGAIN)
if (res == -EINTR)
continue;
pw_log_warn(NAME" %p: iterate error %d (%s)",
loop, res, spa_strerror(res));

View file

@ -239,7 +239,7 @@ static void *do_loop(void *user_data)
while (this->running) {
if ((res = pw_loop_iterate(this->loop, -1)) < 0) {
if (res == -EINTR || res == -EAGAIN)
if (res == -EINTR)
continue;
pw_log_warn(NAME" %p: iterate error %d (%s)",
this, res, spa_strerror(res));