qb_loop_poll_mod - Modify a poll job.

       Copyright (C) 2010-2020 Red Hat, Inc.

LIBQB                                              2023-07-21                                QB_LOOP_POLL_MOD(3)

       qb_loop_poll_mod - Modify a poll job.

lpointertotheloopinstancepthepriorityfdfiledescriptor.events(POLLIN|POLLOUT)etc....datauserdatapassedintothedispatchfunctiondispatch_fncallbackfunction

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

qb_loop_job_del(3), qb_loop_run(3), qb_loop_create(3), qb_loop_stop(3),
       qb_loop_poll_low_fds_event_set(3), qb_loop_signal_del(3), qb_loop_signal_add(3), qb_loop_job_add(3),
       qb_loop_poll_del(3), qb_loop_destroy(3), qb_loop_timer_expire_time_remaining(3), qb_loop_signal_mod(3),
       qb_loop_timer_del(3), qb_loop_timer_add(3), qb_loop_timer_is_running(3),
       qb_loop_timer_expire_time_get(3), qb_loop_poll_add(3)

enumqb_loop_priority{QB_LOOP_LOW;QB_LOOP_MED;QB_LOOP_HIGH;};

#include<qb/qbloop.h>int32_tqb_loop_poll_mod(
           qb_loop_t*l,            /* pointer to the loop instance */
           enumqb_loop_priorityp,            /* the priority */
           int32_tfd,           /* file descriptor. */
           int32_tevents,       /* (POLLIN|POLLOUT) etc .... */
           void*data,         /* user data passed into the dispatch function */
           qb_loop_poll_dispatch_fndispatch_fn   /* callback function */
       );