syscalls/signalfd.c

   1 /*
   2  * SYSCALL_DEFINE3(signalfd, int, ufd, sigset_t __user *, user_mask, size_t, sizemask)
   3  */
   4 #include "sanitise.h"
   5
   6 struct syscallentry syscall_signalfd = {
   7         .name = "signalfd",
   8         .num_args = 3,
   9         .arg1name = "ufd",
  10         .arg1type = ARG_FD,
  11         .arg2name = "user_mask",
  12         .arg2type = ARG_ADDRESS,
  13         .arg3name = "sizemask",
  14         .arg3type = ARG_LEN,
  15         .flags = NEED_ALARM,
  16 };
  17
  18 /*
  19  * SYSCALL_DEFINE4(signalfd4, int, ufd, sigset_t __user *, user_mask,
  20          size_t, sizemask, int, flags)
  21  */
  22
  23 #define SFD_CLOEXEC 02000000
  24 #define SFD_NONBLOCK 04000
  25
  26 struct syscallentry syscall_signalfd4 = {
  27         .name = "signalfd4",
  28         .num_args = 4,
  29         .arg1name = "ufd",
  30         .arg1type = ARG_FD,
  31         .arg2name = "user_mask",
  32         .arg2type = ARG_ADDRESS,
  33         .arg3name = "sizemask",
  34         .arg4name = "flags",
  35         .arg4type = ARG_LIST,
  36         .arg4list = {
  37                 .num = 2,
  38                 .values = { SFD_CLOEXEC , SFD_NONBLOCK },
  39         },
  40         .flags = NEED_ALARM,
  41 };