diff options
Diffstat (limited to 'source3/printing/printing.c')
-rw-r--r-- | source3/printing/printing.c | 82 |
1 files changed, 29 insertions, 53 deletions
diff --git a/source3/printing/printing.c b/source3/printing/printing.c index 71c634442b..8524cfb2bd 100644 --- a/source3/printing/printing.c +++ b/source3/printing/printing.c @@ -1387,6 +1387,18 @@ static void print_queue_receive(struct messaging_context *msg, return; } +static void printing_pause_fd_handler(struct tevent_context *ev, + struct tevent_fd *fde, + uint16_t flags, + void *private_data) +{ + /* + * If pause_pipe[1] is closed it means the parent smbd + * and children exited or aborted. + */ + exit_server_cleanly(NULL); +} + static pid_t background_lpq_updater_pid = -1; /**************************************************************************** @@ -1415,6 +1427,9 @@ void start_background_queue(void) } if(background_lpq_updater_pid == 0) { + struct tevent_fd *fde; + int ret; + /* Child. */ DEBUG(5,("start_background_queue: background LPQ thread started\n")); @@ -1440,60 +1455,21 @@ void start_background_queue(void) messaging_register(smbd_messaging_context(), NULL, MSG_PRINTER_UPDATE, print_queue_receive); - DEBUG(5,("start_background_queue: background LPQ thread waiting for messages\n")); - while (1) { - fd_set r_fds, w_fds; - int ret; - struct timeval to; - int maxfd = 0; - - /* Process a signal and timed events now... */ - if (run_events(smbd_event_context(), 0, NULL, NULL)) { - continue; - } - - to.tv_sec = SMBD_SELECT_TIMEOUT; - to.tv_usec = 0; - - /* - * Setup the select fd sets. - */ - - FD_ZERO(&r_fds); - FD_ZERO(&w_fds); - - /* - * Are there any timed events waiting ? If so, ensure we don't - * select for longer than it would take to wait for them. - */ - - { - struct timeval now; - GetTimeOfDay(&now); - - event_add_to_select_args(smbd_event_context(), &now, - &r_fds, &w_fds, &to, &maxfd); - } - - FD_SET(pause_pipe[1], &r_fds); - maxfd = MAX(pause_pipe[1], maxfd); - - ret = sys_select(maxfd, &r_fds, &w_fds, NULL, &to); - - /* - * If pause_pipe[1] is closed it means the parent smbd - * and children exited or aborted. If sys_select() - * failed, then something more sinister is wrong - */ - if ((ret < 0) || - (ret == 1 && FD_ISSET(pause_pipe[1], &r_fds))) { - exit_server_cleanly(NULL); - } - - if (run_events(smbd_event_context(), ret, &r_fds, &w_fds)) { - continue; - } + fde = tevent_add_fd(smbd_event_context(), smbd_event_context(), + pause_pipe[1], TEVENT_FD_READ, + printing_pause_fd_handler, + NULL); + if (!fde) { + DEBUG(0,("tevent_add_fd() failed for pause_pipe\n")); + smb_panic("tevent_add_fd() failed for pause_pipe"); } + + DEBUG(5,("start_background_queue: background LPQ thread waiting for messages\n")); + ret = tevent_loop_wait(smbd_event_context()); + /* should not be reached */ + DEBUG(0,("background_queue: tevent_loop_wait() exited with %d - %s\n", + ret, (ret == 0) ? "out of events" : strerror(errno))); + exit(1); } close(pause_pipe[1]); |