fd-eventfd.c

   1 /* eventfd FDs */
   2
   3 #include <errno.h>
   4 #include <stdio.h>
   5 #include <stdlib.h>
   6 #include <string.h>
   7 #include <unistd.h>
   8 #include <sys/epoll.h>
   9 #include <sys/eventfd.h>
  10
  11 #include "eventfd.h"
  12 #include "files.h"
  13 #include "log.h"
  14 #include "net.h"
  15 #include "params.h"
  16 #include "pids.h"
  17 #include "random.h"
  18 #include "sanitise.h"
  19 #include "shm.h"
  20 #include "trinity.h"
  21
  22 void open_eventfd_fds(void)
  23 {
  24         unsigned int i;
  25
  26         shm->eventfd_fds[0] = eventfd(rand32(), 0);
  27         shm->eventfd_fds[1] = eventfd(rand32(), EFD_CLOEXEC);
  28         shm->eventfd_fds[2] = eventfd(rand32(), EFD_NONBLOCK);
  29         shm->eventfd_fds[3] = eventfd(rand32(), EFD_SEMAPHORE);
  30         shm->eventfd_fds[4] = eventfd(rand32(), EFD_CLOEXEC | EFD_NONBLOCK);
  31         shm->eventfd_fds[5] = eventfd(rand32(), EFD_CLOEXEC | EFD_SEMAPHORE);
  32         shm->eventfd_fds[6] = eventfd(rand32(), EFD_NONBLOCK | EFD_SEMAPHORE);
  33         shm->eventfd_fds[7] = eventfd(rand32(), EFD_CLOEXEC | EFD_NONBLOCK | EFD_SEMAPHORE);
  34
  35         for (i = 0; i < MAX_EVENTFD_FDS; i++)
  36                 output(2, "fd[%d] = eventfd\n", shm->eventfd_fds[i]);
  37 }
  38
  39 int rand_eventfd_fd(void)
  40 {
  41         return shm->eventfd_fds[rand() % MAX_EVENTFD_FDS];
  42 }