Add needed structs for fd passing

src/unix/bsd/mod.rs

@@ -117,6 +117,12 @@ s! {
         pub msg_flags: ::c_int,
     }
 
+    pub struct cmsghdr {
+        pub cmsg_len: ::socklen_t,
+        pub cmsg_level: ::c_int,
+        pub cmsg_type: ::c_int,
+    }
+
     pub struct fsid_t {
         __fsid_val: [::int32_t; 2],
     }

src/unix/haiku/mod.rs

@@ -143,6 +143,12 @@ s! {
         pub msg_flags: ::c_int,
     }
 
+    pub struct cmsghdr {
+        pub cmsg_len: ::size_t,
+        pub cmsg_level: ::c_int,
+        pub cmsg_type: ::c_int,
+    }
+
     pub struct Dl_info {
         pub dli_fname: *const ::c_char,
         pub dli_fbase: *mut ::c_void,

src/unix/notbsd/android/mod.rs

@@ -75,6 +75,12 @@ s! {
         pub msg_flags: ::c_int,
     }
 
+    pub struct cmsghdr {
+        pub cmsg_len: ::size_t,
+        pub cmsg_level: ::c_int,
+        pub cmsg_type: ::c_int,
+    }
+
     pub struct termios {
         pub c_iflag: ::tcflag_t,
         pub c_oflag: ::tcflag_t,

src/unix/notbsd/linux/mips/mips32.rs

@@ -197,6 +197,12 @@ s! {
         pub msg_flags: ::c_int,
     }
 
+    pub struct cmsghdr {
+        pub cmsg_len: ::size_t,
+        pub cmsg_level: ::c_int,
+        pub cmsg_type: ::c_int,
+    }
+
     pub struct termios {
         pub c_iflag: ::tcflag_t,
         pub c_oflag: ::tcflag_t,

src/unix/notbsd/linux/mips/mips64.rs

@@ -171,6 +171,12 @@ s! {
         pub msg_flags: ::c_int,
     }
 
+    pub struct cmsghdr {
+        pub cmsg_len: ::size_t,
+        pub cmsg_level: ::c_int,
+        pub cmsg_type: ::c_int,
+    }
+
     pub struct termios {
         pub c_iflag: ::tcflag_t,
         pub c_oflag: ::tcflag_t,

src/unix/notbsd/linux/musl/b32/mod.rs

@@ -21,6 +21,12 @@ s! {
         pub msg_flags: ::c_int,
     }
 
+    pub struct cmsghdr {
+        pub cmsg_len: ::socklen_t,
+        pub cmsg_level: ::c_int,
+        pub cmsg_type: ::c_int,
+    }
+
     pub struct sem_t {
         __val: [::c_int; 4],
     }

src/unix/notbsd/linux/musl/b64/mod.rs

@@ -114,6 +114,13 @@ s! {
         pub msg_flags: ::c_int,
     }
 
+    pub struct cmsghdr {
+        pub cmsg_len: ::socklen_t,
+        pub __pad1: ::c_int,
+        pub cmsg_level: ::c_int,
+        pub cmsg_type: ::c_int,
+    }
+
     pub struct sem_t {
         __val: [::c_int; 8],
     }

src/unix/notbsd/linux/other/mod.rs

@@ -122,6 +122,12 @@ s! {
         pub msg_flags: ::c_int,
     }
 
+    pub struct cmsghdr {
+        pub cmsg_len: ::size_t,
+        pub cmsg_level: ::c_int,
+        pub cmsg_type: ::c_int,
+    }
+
     pub struct termios {
         pub c_iflag: ::tcflag_t,
         pub c_oflag: ::tcflag_t,

src/unix/notbsd/linux/s390x.rs

@@ -159,6 +159,12 @@ s! {
         pub msg_flags: ::c_int,
     }
 
+    pub struct cmsghdr {
+        pub cmsg_len: ::size_t,
+        pub cmsg_level: ::c_int,
+        pub cmsg_type: ::c_int,
+    }
+
     pub struct termios {
         pub c_iflag: ::tcflag_t,
         pub c_oflag: ::tcflag_t,

src/unix/solaris/mod.rs

@@ -114,6 +114,12 @@ s! {
         pub msg_flags: ::c_int,
     }
 
+    pub struct cmsghdr {
+        pub cmsg_len: ::size_t,
+        pub cmsg_level: ::c_int,
+        pub cmsg_type: ::c_int,
+    }
+
     pub struct fd_set {
         fds_bits: [i32; FD_SETSIZE / 32],
     }