Auto merge of #2900 - gco:master, r=JohnTitor

fcntl F_DUPFD_CLOEXEC has different values on Solaris and Illumos

Author: bors

src/unix/solarish/illumos.rs

@@ -42,6 +42,9 @@ pub const F_OFD_SETLKW: ::c_int = 49;
 pub const F_FLOCK: ::c_int = 53;
 pub const F_FLOCKW: ::c_int = 54;
 
+pub const F_DUPFD_CLOEXEC: ::c_int = 37;
+pub const F_DUP2FD_CLOEXEC: ::c_int = 36;
+
 pub const FIL_ATTACH: ::c_int = 0x1;
 pub const FIL_DETACH: ::c_int = 0x2;
 pub const FIL_LIST: ::c_int = 0x3;

src/unix/solarish/mod.rs

@@ -1327,7 +1327,6 @@ pub const F_LOCK: ::c_int = 1;
 pub const F_TEST: ::c_int = 3;
 pub const F_TLOCK: ::c_int = 2;
 pub const F_ULOCK: ::c_int = 0;
-pub const F_DUPFD_CLOEXEC: ::c_int = 37;
 pub const F_SETLK: ::c_int = 6;
 pub const F_SETLKW: ::c_int = 7;
 pub const F_GETLK: ::c_int = 14;
@@ -1601,7 +1600,6 @@ pub const NI_NUMERICSCOPE: ::c_uint = 0x0040;
 
 pub const F_DUPFD: ::c_int = 0;
 pub const F_DUP2FD: ::c_int = 9;
-pub const F_DUP2FD_CLOEXEC: ::c_int = 36;
 pub const F_GETFD: ::c_int = 1;
 pub const F_SETFD: ::c_int = 2;
 pub const F_GETFL: ::c_int = 3;

src/unix/solarish/solaris.rs

@@ -36,6 +36,11 @@ pub const TCP_KEEPIDLE: ::c_int = 0x1d;
 pub const TCP_KEEPCNT: ::c_int = 0x1e;
 pub const TCP_KEEPINTVL: ::c_int = 0x1f;
 
+pub const F_DUPFD_CLOEXEC: ::c_int = 47;
+pub const F_DUPFD_CLOFORK: ::c_int = 49;
+pub const F_DUP2FD_CLOEXEC: ::c_int = 48;
+pub const F_DUP2FD_CLOFORK: ::c_int = 50;
+
 extern "C" {
     pub fn fexecve(
         fd: ::c_int,