libphobos/libdruntime/core/sys/linux/sys/eventfd.d

   1 /**
   2  * D header file for GNU/Linux.
   3  *
   4  * License:   $(LINK2 http://www.boost.org/LICENSE_1_0.txt, Boost License 1.0)
   5  * Authors:   Nemanja Boric
   6  */
   7 module core.sys.linux.sys.eventfd;
   8
   9 version (linux):
  10 extern (C):
  11 @nogc:
  12 @system:
  13 nothrow:
  14
  15 import core.stdc.stdint: uint64_t;
  16
  17 /// Type for the event counter
  18 alias uint64_t eventfd_t;
  19
  20 /* Return file descriptor for generic event channel.  Set initial
  21    value to count.  */
  22 int eventfd (uint count, int flags);
  23
  24 /* Read event counter and possibly wait for events.  */
  25 int eventfd_read (int fd, eventfd_t* value);
  26
  27 /* Increment event counter.  */
  28 int eventfd_write (int fd, eventfd_t value);
  29
  30 version (X86)
  31 {
  32     enum EFD_SEMAPHORE = 1;
  33     enum EFD_CLOEXEC = 0x80000; // octal!2000000
  34     enum EFD_NONBLOCK = 0x800; // octal!4000
  35 }
  36 else version (X86_64)
  37 {
  38     enum EFD_SEMAPHORE = 1;
  39     enum EFD_CLOEXEC = 0x80000; // octal!2000000
  40     enum EFD_NONBLOCK = 0x800; // octal!4000
  41 }
  42 else version (MIPS32)
  43 {
  44     enum EFD_SEMAPHORE = 1;
  45     enum EFD_CLOEXEC = 0x80000; // octal!2000000
  46     enum EFD_NONBLOCK = 0x80; // octal!200
  47 }
  48 else version (MIPS64)
  49 {
  50     enum EFD_SEMAPHORE = 1;
  51     enum EFD_CLOEXEC = 0x80000; // octal!2000000
  52     enum EFD_NONBLOCK = 0x80; // octal!200
  53 }
  54 else version (PPC)
  55 {
  56     enum EFD_SEMAPHORE = 1;
  57     enum EFD_CLOEXEC = 0x80000; // octal!2000000
  58     enum EFD_NONBLOCK = 0x800; // octal!4000
  59 }
  60 else version (PPC64)
  61 {
  62     enum EFD_SEMAPHORE = 1;
  63     enum EFD_CLOEXEC = 0x80000; // octal!2000000
  64     enum EFD_NONBLOCK = 0x800; // octal!4000
  65 }
  66 else version (ARM)
  67 {
  68     enum EFD_SEMAPHORE = 1;
  69     enum EFD_CLOEXEC = 0x80000; // octal!2000000
  70     enum EFD_NONBLOCK = 0x800; // octal!4000
  71 }
  72 else version (AArch64)
  73 {
  74     enum EFD_SEMAPHORE = 1;
  75     enum EFD_CLOEXEC = 0x80000; // octal!2000000
  76     enum EFD_NONBLOCK = 0x800; // octal!4000
  77 }
  78 else version (SPARC64)
  79 {
  80     enum EFD_SEMAPHORE = 1;
  81     enum EFD_CLOEXEC = 0x80000; // octal!2000000
  82     enum EFD_NONBLOCK = 0x800; // octal!4000
  83 }
  84 else version (SystemZ)
  85 {
  86     enum EFD_SEMAPHORE = 1;
  87     enum EFD_CLOEXEC = 0x80000; // octal!2000000
  88     enum EFD_NONBLOCK = 0x800; // octal!4000
  89 }
  90 else
  91     static assert(0, "unimplemented");