Merge pull request #18 from DoumanAsh/semka

mach-test/build.rs

@@ -177,6 +177,10 @@ fn main() {
     });
 
     cfg.skip_fn(move |s| {
+        // FIXME: The return type of these functions are different in Xcode 13 or higher.
+        if s.starts_with("semaphore") {
+            return true;
+        }
         match s {
             // mac_task_self and current_tasl are not functions, but macro that map to the
             // mask_task_self_ static variable:

mach-test/test/main.rs

@@ -21,7 +21,9 @@ use mach2::memory_object_types::*;
 use mach2::message::*;
 use mach2::ndr::*;
 use mach2::port::*;
+use mach2::semaphore::*;
 use mach2::structs::*;
+use mach2::sync_policy::*;
 use mach2::task::*;
 use mach2::task_info::*;
 use mach2::thread_act::*;

src/lib.rs

@@ -37,7 +37,9 @@ pub mod memory_object_types;
 pub mod message;
 pub mod ndr;
 pub mod port;
+pub mod semaphore;
 pub mod structs;
+pub mod sync_policy;
 pub mod task;
 pub mod task_info;
 pub mod thread_act;

src/semaphore.rs

@@ -0,0 +1,22 @@
+//! This module corresponds to `mach/semaphore.h`
+
+use clock_types::mach_timespec_t;
+use kern_return::kern_return_t;
+use mach_types::{semaphore_t, task_t};
+use sync_policy::sync_policy_t;
+
+extern "C" {
+    pub fn semaphore_create(
+        task: task_t,
+        semaphore: *mut semaphore_t,
+        policy: sync_policy_t,
+        value: libc::c_int,
+    ) -> kern_return_t;
+    pub fn semaphore_signal(semaphore: *mut semaphore_t) -> kern_return_t;
+    pub fn semaphore_wait(semaphore: *mut semaphore_t) -> kern_return_t;
+    pub fn semaphore_timedwait(
+        semaphore: *mut semaphore_t,
+        timeout: mach_timespec_t,
+    ) -> kern_return_t;
+    pub fn semaphore_destroy(task: task_t, semaphore: *mut semaphore_t) -> kern_return_t;
+}

src/sync_policy.rs

@@ -0,0 +1,9 @@
+//! This module corresponds to `mach/sync_policy.h`
+
+pub type sync_policy_t = libc::c_int;
+
+pub const SYNC_POLICY_FIFO: sync_policy_t = 0x0;
+pub const SYNC_POLICY_FIXED_PRIORITY: sync_policy_t = 0x1;
+pub const SYNC_POLICY_REVERSED: sync_policy_t = 0x2;
+pub const SYNC_POLICY_ORDER_MASK: sync_policy_t = 0x3;
+pub const SYNC_POLICY_LIFO: sync_policy_t = SYNC_POLICY_FIFO | SYNC_POLICY_REVERSED;