syscalls/epoll_ctl.c

   1 /*
   2  * SYSCALL_DEFINE4(epoll_ctl, int, epfd, int, op, int, fd, struct epoll_event __user *, event)
   3  *
   4  * When successful, epoll_ctl() returns zero.
   5  * When an error occurs, epoll_ctl() returns -1 and errno is set appropriately.
   6  */
   7 #include <sys/epoll.h>
   8 #include "sanitise.h"
   9
  10 struct syscallentry syscall_epoll_ctl = {
  11         .name = "epoll_ctl",
  12         .num_args = 4,
  13         .arg1name = "epfd",
  14         .arg1type = ARG_FD,
  15         .arg2name = "op",
  16         .arg2type = ARG_OP,
  17         .arg2list = {
  18                 .num = 3,
  19                 .values = { EPOLL_CTL_ADD, EPOLL_CTL_MOD, EPOLL_CTL_DEL },
  20         },
  21         .arg3name = "fd",
  22         .arg3type = ARG_FD,
  23         .arg4name = "event",
  24         .arg4type = ARG_ADDRESS,
  25         .rettype = RET_ZERO_SUCCESS,
  26         .flags = NEED_ALARM,
  27 };