Auto merge of #2763 - m-ou-se:dragonflybsd-futex, r=Amanieu

Add DragonFly umtx_{sleep, wakeup}. This adds DragonFly's futex functions: https://man.dragonflybsd.org/?command=umtx&section=2
rust-lang · Apr 20, 2022 · 01b4902 · 01b4902
2 parents d260cea + 9579c1d
commit 01b4902
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diff --git a/libc-test/semver/dragonfly.txt b/libc-test/semver/dragonfly.txt
@@ -1497,6 +1497,8 @@ timex
 truncate
 ttyname_r
 ucontext_t
+umtx_sleep
+umtx_wakeup
 unmount
 updatelastlogx
 updwtmpx

diff --git a/src/unix/bsd/freebsdlike/dragonfly/mod.rs b/src/unix/bsd/freebsdlike/dragonfly/mod.rs
@@ -1481,6 +1481,9 @@ extern "C" {
     pub fn utmpxname(file: *const ::c_char) -> ::c_int;
 
     pub fn sys_checkpoint(tpe: ::c_int, fd: ::c_int, pid: ::pid_t, retval: ::c_int) -> ::c_int;
+
+    pub fn umtx_sleep(ptr: *const ::c_int, value: ::c_int, timeout: ::c_int) -> ::c_int;
+    pub fn umtx_wakeup(ptr: *const ::c_int, count: ::c_int) -> ::c_int;
 }
 
 #[link(name = "rt")]