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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);