Auto merge of rust-lang#318 - nikklassen:master, r=alexcrichton

Add missing constants for wait family

Fixes rust-lang#315

Author: bors

src/unix/bsd/mod.rs

@@ -285,7 +285,8 @@ pub const FLUSHO: ::tcflag_t = 0x00800000;
 pub const PENDIN: ::tcflag_t = 0x20000000;
 pub const NOFLSH: ::tcflag_t = 0x80000000;
 
-pub const WNOHANG: ::c_int = 1;
+pub const WNOHANG: ::c_int = 0x00000001;
+pub const WUNTRACED: ::c_int = 0x00000002;
 
 pub const RTLD_NOW: ::c_int = 0x2;
 pub const RTLD_DEFAULT: *mut ::c_void = -2isize as *mut ::c_void;

src/unix/notbsd/mod.rs

@@ -627,7 +627,16 @@ pub const CLONE_NEWPID: ::c_int = 0x20000000;
 pub const CLONE_NEWNET: ::c_int = 0x40000000;
 pub const CLONE_IO: ::c_int = 0x80000000;
 
-pub const WNOHANG: ::c_int = 1;
+pub const WNOHANG: ::c_int = 0x00000001;
+pub const WUNTRACED: ::c_int = 0x00000002;
+pub const WSTOPPED: ::c_int = WUNTRACED;
+pub const WEXITED: ::c_int = 0x00000004;
+pub const WCONTINUED: ::c_int = 0x00000008;
+pub const WNOWAIT: ::c_int = 0x01000000;
+
+pub const __WNOTHREAD: ::c_int = 0x20000000;
+pub const __WALL: ::c_int = 0x40000000;
+pub const __WCLONE: ::c_int = 0x80000000;
 
 pub const SPLICE_F_MOVE: ::c_uint = 0x01;
 pub const SPLICE_F_NONBLOCK: ::c_uint = 0x02;