Auto merge of rust-lang#702 - berkowski:bsd_poll_flags, r=alexcrichton

A few missing *BSD poll flags

Added a few missing BSD poll flags for completeness.

Author: bors

src/unix/bsd/freebsdlike/freebsd/mod.rs

@@ -160,6 +160,8 @@ pub const POSIX_FADV_WILLNEED: ::c_int = 3;
 pub const POSIX_FADV_DONTNEED: ::c_int = 4;
 pub const POSIX_FADV_NOREUSE: ::c_int = 5;
 
+pub const POLLINIGNEOF: ::c_short = 0x2000;
+
 pub const EVFILT_READ: ::int16_t = -1;
 pub const EVFILT_WRITE: ::int16_t = -2;
 pub const EVFILT_AIO: ::int16_t = -3;

src/unix/bsd/freebsdlike/mod.rs

@@ -439,6 +439,10 @@ pub const EMULTIHOP: ::c_int = 90;
 pub const ENOLINK: ::c_int = 91;
 pub const EPROTO: ::c_int = 92;
 
+pub const POLLSTANDARD: ::c_short = ::POLLIN | ::POLLPRI | ::POLLOUT |
+    ::POLLRDNORM | ::POLLRDBAND | ::POLLWRBAND | ::POLLERR |
+    ::POLLHUP | ::POLLNVAL;
+
 pub const EAI_SYSTEM: ::c_int = 11;
 
 pub const F_DUPFD: ::c_int = 0;

src/unix/bsd/netbsdlike/openbsdlike/mod.rs

@@ -191,6 +191,8 @@ pub const MS_INVALIDATE : ::c_int = 0x0004;
 
 pub const PTHREAD_STACK_MIN : ::size_t = 2048;
 
+pub const POLLNORM: ::c_short = ::POLLRDNORM;
+
 pub const ENOATTR : ::c_int = 83;
 pub const EILSEQ : ::c_int = 84;
 pub const EOVERFLOW : ::c_int = 87;