Auto merge of #265 - fiveop:missing_signals, r=alexcrichton

Add SIGEMT (for apple) and SIGINFO (for bsd).

Author: bors

src/unix/bsd/apple/mod.rs

@@ -438,6 +438,7 @@ pub const SIGINT: ::c_int = 2;
 pub const SIGQUIT: ::c_int = 3;
 pub const SIGILL: ::c_int = 4;
 pub const SIGABRT: ::c_int = 6;
+pub const SIGEMT: ::c_int = 7;
 pub const SIGFPE: ::c_int = 8;
 pub const SIGKILL: ::c_int = 9;
 pub const SIGSEGV: ::c_int = 11;

src/unix/bsd/mod.rs

@@ -163,6 +163,7 @@ pub const SIGXFSZ: ::c_int = 25;
 pub const SIGVTALRM: ::c_int = 26;
 pub const SIGPROF: ::c_int = 27;
 pub const SIGWINCH: ::c_int = 28;
+pub const SIGINFO: ::c_int = 29;
 
 pub const SIG_SETMASK: ::c_int = 3;
 pub const SIG_BLOCK: ::c_int = 0x1;