fixup flags

Signed-off-by: tison <[email protected]>

Author: tisonkun

changelog/2537.added.md

@@ -1 +1 @@
-Add support for `syslog`, `openlog`, `closelog` on `macos`.
+Add support for `syslog`, `openlog`, `closelog` on all `unix`.

src/lib.rs

@@ -202,7 +202,6 @@ feature! {
     pub mod spawn;
 }
 
-#[cfg(unix)]
 feature! {
     #![feature = "syslog"]
     pub mod syslog;

test/test.rs

@@ -42,7 +42,6 @@ mod test_sendfile;
 ))]
 mod test_spawn;
 
-#[cfg(unix)]
 mod test_syslog;
 
 mod test_time;

test/test_syslog.rs

@@ -2,7 +2,12 @@ use nix::syslog::{openlog, syslog, Facility, LogFlags, Severity};
 
 #[test]
 fn test_syslog_hello_world() {
-    openlog(None::<&str>, LogFlags::LOG_PID, Facility::LOG_USER).unwrap();
+    #[cfg(not(target_os = "haiku"))]
+    let flags = LogFlags::LOG_PID;
+    #[cfg(target_os = "haiku")]
+    let flags = LogFlags::empty();
+
+    openlog(None::<&str>, flags, Facility::LOG_USER).unwrap();
     syslog(Severity::LOG_EMERG, "Hello, nix!").unwrap();
 
     let name = "syslog";