syscalls/epoll_wait.c

   1 /*
   2  * SYSCALL_DEFINE4(epoll_wait, int, epfd, struct epoll_event __user *, events, int, maxevents, int, timeout)
   3  *
   4  * When  successful, returns the number of file descriptors ready for the requested I/O,
   5  * or zero if no file descriptor became ready during the requested timeout milliseconds.
   6  * When an error occurs, returns -1 and errno is set appropriately.
   7  */
   8 #include "sanitise.h"
   9
  10 struct syscallentry syscall_epoll_wait = {
  11         .name = "epoll_wait",
  12         .num_args = 4,
  13         .arg1name = "epfd",
  14         .arg1type = ARG_FD,
  15         .arg2name = "events",
  16         .arg2type = ARG_ADDRESS,
  17         .arg3name = "maxevents",
  18         .arg4name = "timeout",
  19         .rettype = RET_BORING,
  20         .flags = NEED_ALARM,
  21 };