qb_loop_signal_add(3)

Usage

#include <qb/qbloop.h>

int32_t qb_loop_signal_add(
    qb_loop_t                  *l,            /* pointer to the loop instance */
    enum qb_loop_priority       p,            /* the priority */
    int32_t                     sig,          /* (SIGHUP or SIGINT) etc .... */
    void                       *data,         /* user data passed into the dispatch function */
    qb_loop_signal_dispatch_fn  dispatch_fn,  /* callback function */
    qb_loop_signal_handle      *handle        /* (out) a reference to the signal job */
);

Params

l pointer to the loop instance

p the priority

sig (SIGHUP or SIGINT) etc ....

data user data passed into the dispatch function

dispatch_fn callback function

handle (out) a reference to the signal job

Overview

Get a callback on this signal (not in the context of the signal).

Structures

enum qb_loop_priority {
      QB_LOOP_LOW;
      QB_LOOP_MED;
      QB_LOOP_HIGH;
};

Return value

status (0 == ok, -errno == failure)

Releases

4 releases since Debian 11 (Bullseye); the text changed 3 times.

qb_loop_job_del(3) Delete a job from the mainloop. qb_loop_run(3) Run the main loop. qb_loop_create(3) Create a new main loop. qb_loop_stop(3) Stop the main loop. qb_loop_poll_low_fds_event_set(3) Set a callback to receive events on file descriptors getting low. qb_loop_signal_del(3) Delete the signal job. qb_loop_job_add(3) Add a job to the mainloop. qb_loop_poll_del(3) Delete a poll job. qb_loop_destroy(3) qb_loop_timer_expire_time_remaining(3) Get the time remaining before the timer expires. qb_loop_poll_mod(3) Modify a poll job. qb_loop_signal_mod(3) Modify the signal job. qb_loop_timer_del(3) Delete a timer that is still outstanding. qb_loop_timer_add(3) Add a timer to the mainloop. qb_loop_timer_is_running(3) Check to see if a timer that is still outstanding. qb_loop_timer_expire_time_get(3) Get the expiration time of the timer, as set when the timer was created. qb_loop_poll_add(3) Add a poll job to the mainloop.

Referred to by

qbloop.h(3) Main loop manages timers, jobs and polling sockets. qb_loop_run(3) Run the main loop. qb_loop_stop(3) Stop the main loop. qb_loop_create(3) Create a new main loop. qb_loop_destroy(3) qb_loop_job_add(3) Add a job to the mainloop. qb_loop_job_del(3) Delete a job from the mainloop. qb_loop_poll_add(3) Add a poll job to the mainloop. qb_loop_poll_del(3) Delete a poll job. qb_loop_poll_mod(3) Modify a poll job. qb_loop_timer_add(3) Add a timer to the mainloop. qb_loop_timer_del(3) Delete a timer that is still outstanding. qb_loop_signal_del(3) Delete the signal job. qb_loop_signal_mod(3) Modify the signal job. qb_loop_timer_is_running(3) Check to see if a timer that is still outstanding. qb_loop_timer_expire_time_get(3) Get the expiration time of the timer, as set when the timer was created. qb_loop_poll_low_fds_event_set(3) Set a callback to receive events on file descriptors getting low. qb_loop_timer_expire_time_remaining(3) Get the time remaining before the timer expires.