Auto merge of #3471 - devnexen:netbsdlike_map_tryfixed, r=JohnTitor

openbsd/netbsd MAP_TRYFIXED constant

Author: bors

libc-test/semver/netbsd.txt

@@ -643,6 +643,7 @@ MAP_NORESERVE
 MAP_REMAPDUP
 MAP_RENAME
 MAP_STACK
+MAP_TRYFIXED
 MAP_WIRED
 MAXFREQ
 MAXPHASE

libc-test/semver/openbsd.txt

@@ -486,6 +486,7 @@ MAP_NOEXTEND
 MAP_NORESERVE
 MAP_RENAME
 MAP_STACK
+MAP_TRYFIXED
 MCL_CURRENT
 MCL_FUTURE
 MDMBUF

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

@@ -1701,6 +1701,7 @@ pub const O_DSYNC: ::c_int = 0x10000;
 pub const MAP_RENAME: ::c_int = 0x20;
 pub const MAP_NORESERVE: ::c_int = 0x40;
 pub const MAP_HASSEMAPHORE: ::c_int = 0x200;
+pub const MAP_TRYFIXED: ::c_int = 0x400;
 pub const MAP_WIRED: ::c_int = 0x800;
 pub const MAP_STACK: ::c_int = 0x2000;
 // map alignment aliases for MAP_ALIGNED

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

@@ -1229,6 +1229,7 @@ pub const O_DSYNC: ::c_int = 128;
 pub const MAP_RENAME: ::c_int = 0x0000;
 pub const MAP_NORESERVE: ::c_int = 0x0000;
 pub const MAP_HASSEMAPHORE: ::c_int = 0x0000;
+pub const MAP_TRYFIXED: ::c_int = 0;
 
 pub const EIPSEC: ::c_int = 82;
 pub const ENOMEDIUM: ::c_int = 85;