Merge #1670

1670: Add `MsgFlag::MSG_NOSIGNAL` r=rtzoeller a=i509VCB

(I guess I will see if I did the cfg block correctly)

Co-authored-by: i509VCB <git@i509.me>

CHANGELOG.md

@@ -54,6 +54,8 @@ This project adheres to [Semantic Versioning](https://semver.org/).
   (#[1665](https://github.com/nix-rust/nix/pull/1665))
 - Implemented `Read` and `Write` for `&PtyMaster`
   (#[1664](https://github.com/nix-rust/nix/pull/1664))
+- Added `MSG_NOSIGNAL` for Android, Dragonfly, FreeBSD, Fuchsia, Haiku, Illumos, Linux, NetBSD, OpenBSD and Solaris.
+  (#[1670](https://github.com/nix-rust/nix/pull/1670))
 
 ### Changed
 

src/sys/socket/mod.rs

@@ -316,6 +316,20 @@ libc_bitflags!{
                   target_os = "openbsd"))]
         #[cfg_attr(docsrs, doc(cfg(all())))]
         MSG_CMSG_CLOEXEC;
+        /// Requests not to send `SIGPIPE` errors when the other end breaks the connection.
+        /// (For more details, see [send(2)](https://linux.die.net/man/2/send)).
+        #[cfg(any(target_os = "android",
+                  target_os = "dragonfly",
+                  target_os = "freebsd",
+                  target_os = "fuchsia",
+                  target_os = "haiku",
+                  target_os = "illumos",
+                  target_os = "linux",
+                  target_os = "netbsd",
+                  target_os = "openbsd",
+                  target_os = "solaris"))]
+        #[cfg_attr(docsrs, doc(cfg(all())))]
+        MSG_NOSIGNAL;
     }
 }