syscalls/eventfd2.c

   1 /*
   2  * SYSCALL_DEFINE2(eventfd2, unsigned int, count, int, flags)
   3  *
   4  * On success, eventfd() returns a new eventfd file descriptor.
   5  * On error, -1 is returned and errno is set to indicate the error.
   6  */
   7
   8 #define EFD_SEMAPHORE 1
   9 #define EFD_CLOEXEC 02000000
  10 #define EFD_NONBLOCK 04000
  11
  12 #include "sanitise.h"
  13
  14 struct syscallentry syscall_eventfd2 = {
  15         .name = "eventfd2",
  16         .num_args = 2,
  17         .arg1name = "count",
  18         .arg1type = ARG_LEN,
  19         .arg2name = "flags",
  20         .arg2type = ARG_LIST,
  21         .arg2list = {
  22                 .num = 3,
  23                 .values = { EFD_CLOEXEC, EFD_NONBLOCK, EFD_SEMAPHORE },
  24         },
  25         .rettype = RET_FD,
  26 };