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udev: add debugging logs in spawn_wait()

This commit is contained in:
Yu Watanabe 2021-01-21 14:06:43 +09:00
parent 77591e9732
commit 90d260d81f

View File

@ -661,7 +661,7 @@ static int spawn_wait(Spawn *spawn) {
r = sd_event_new(&e);
if (r < 0)
return r;
return log_device_debug_errno(spawn->device, r, "Failed to allocate sd-event object: %m");
if (spawn->timeout_usec > 0) {
usec_t usec, age_usec;
@ -678,7 +678,7 @@ static int spawn_wait(Spawn *spawn) {
usec + spawn->timeout_warn_usec, USEC_PER_SEC,
on_spawn_timeout_warning, spawn);
if (r < 0)
return r;
return log_device_debug_errno(spawn->device, r, "Failed to create timeout warning event source: %m");
}
spawn->timeout_usec -= age_usec;
@ -686,35 +686,35 @@ static int spawn_wait(Spawn *spawn) {
r = sd_event_add_time(e, NULL, CLOCK_MONOTONIC,
usec + spawn->timeout_usec, USEC_PER_SEC, on_spawn_timeout, spawn);
if (r < 0)
return r;
return log_device_debug_errno(spawn->device, r, "Failed to create timeout event source: %m");
}
}
if (spawn->fd_stdout >= 0) {
r = sd_event_add_io(e, &stdout_source, spawn->fd_stdout, EPOLLIN, on_spawn_io, spawn);
if (r < 0)
return r;
return log_device_debug_errno(spawn->device, r, "Failed to create stdio event source: %m");
r = sd_event_source_set_enabled(stdout_source, SD_EVENT_ONESHOT);
if (r < 0)
return r;
return log_device_debug_errno(spawn->device, r, "Failed to enable stdio event source: %m");
}
if (spawn->fd_stderr >= 0) {
r = sd_event_add_io(e, &stderr_source, spawn->fd_stderr, EPOLLIN, on_spawn_io, spawn);
if (r < 0)
return r;
return log_device_debug_errno(spawn->device, r, "Failed to create stderr event source: %m");
r = sd_event_source_set_enabled(stderr_source, SD_EVENT_ONESHOT);
if (r < 0)
return r;
return log_device_debug_errno(spawn->device, r, "Failed to enable stderr event source: %m");
}
r = sd_event_add_child(e, &sigchld_source, spawn->pid, WEXITED, on_spawn_sigchld, spawn);
if (r < 0)
return r;
return log_device_debug_errno(spawn->device, r, "Failed to create sigchild event source: %m");
/* SIGCHLD should be processed after IO is complete */
r = sd_event_source_set_priority(sigchld_source, SD_EVENT_PRIORITY_NORMAL + 1);
if (r < 0)
return r;
return log_device_debug_errno(spawn->device, r, "Failed to set priority to sigchild event source: %m");
return sd_event_loop(e);
}