Unify implementation for *nix platforms

core/sync/primitives_darwin.odin

@@ -17,41 +17,3 @@ _current_thread_id :: proc "contextless" () -> int {
 	pthread_threadid_np(nil, &tid)
 	return int(tid)
 }
-
-
-
-_Mutex :: struct {
-	mutex: Atomic_Mutex,
-}
-
-_mutex_lock :: proc(m: ^Mutex) {
-	atomic_mutex_lock(&m.impl.mutex)
-}
-
-_mutex_unlock :: proc(m: ^Mutex) {
-	atomic_mutex_unlock(&m.impl.mutex)
-}
-
-_mutex_try_lock :: proc(m: ^Mutex) -> bool {
-	return atomic_mutex_try_lock(&m.impl.mutex)
-}
-
-_Cond :: struct {
-	cond: Atomic_Cond,
-}
-
-_cond_wait :: proc(c: ^Cond, m: ^Mutex) {
-	atomic_cond_wait(&c.impl.cond, &m.impl.mutex)
-}
-
-_cond_wait_with_timeout :: proc(c: ^Cond, m: ^Mutex, duration: time.Duration) -> bool {
-	return atomic_cond_wait_with_timeout(&c.impl.cond, &m.impl.mutex, duration)
-}
-
-_cond_signal :: proc(c: ^Cond) {
-	atomic_cond_signal(&c.impl.cond)
-}
-
-_cond_broadcast :: proc(c: ^Cond) {
-	atomic_cond_broadcast(&c.impl.cond)
-}

core/sync/primitives_freebsd.odin

@@ -8,39 +8,3 @@ import "core:time"
 _current_thread_id :: proc "contextless" () -> int {
 	return os.current_thread_id()
 }
-
-_Mutex :: struct {
-	mutex: Atomic_Mutex,
-}
-
-_mutex_lock :: proc(m: ^Mutex) {
-	atomic_mutex_lock(&m.impl.mutex)
-}
-
-_mutex_unlock :: proc(m: ^Mutex) {
-	atomic_mutex_unlock(&m.impl.mutex)
-}
-
-_mutex_try_lock :: proc(m: ^Mutex) -> bool {
-	return atomic_mutex_try_lock(&m.impl.mutex)
-}
-
-_Cond :: struct {
-	cond: Atomic_Cond,
-}
-
-_cond_wait :: proc(c: ^Cond, m: ^Mutex) {
-	atomic_cond_wait(&c.impl.cond, &m.impl.mutex)
-}
-
-_cond_wait_with_timeout :: proc(c: ^Cond, m: ^Mutex, duration: time.Duration) -> bool {
-	return atomic_cond_wait_with_timeout(&c.impl.cond, &m.impl.mutex, duration)
-}
-
-_cond_signal :: proc(c: ^Cond) {
-	atomic_cond_signal(&c.impl.cond)
-}
-
-_cond_broadcast :: proc(c: ^Cond) {
-	atomic_cond_broadcast(&c.impl.cond)
-}

core/sync/primitives_internal.odin

@@ -20,99 +20,89 @@ _sema_wait_with_timeout :: proc(s: ^Sema, duration: time.Duration) -> bool {
 }
 
 
-when #config(ODIN_SYNC_RECURSIVE_MUTEX_USE_FUTEX, true) {
-	_Recursive_Mutex :: struct {
-		owner:     Futex,
-		recursion: i32,
-	}
+_Recursive_Mutex :: struct {
+	owner:     Futex,
+	recursion: i32,
+}
 
-	_recursive_mutex_lock :: proc(m: ^Recursive_Mutex) {
-		tid := Futex(current_thread_id())
-		for {
-			prev_owner := atomic_compare_exchange_strong_explicit(&m.impl.owner, 0, tid, .Acquire, .Acquire)
-			switch prev_owner {
-			case 0, tid:
-				m.impl.recursion += 1
-				// inside the lock
-				return
-			}
-
-			futex_wait(&m.impl.owner, u32(prev_owner))
-		}
-	}
-
-	_recursive_mutex_unlock :: proc(m: ^Recursive_Mutex) {
-		m.impl.recursion -= 1
-		if m.impl.recursion != 0 {
-			return
-		}
-		atomic_exchange_explicit(&m.impl.owner, 0, .Release)
-		
-		futex_signal(&m.impl.owner)
-		// outside the lock
-
-	}
-
-	_recursive_mutex_try_lock :: proc(m: ^Recursive_Mutex) -> bool {
-		tid := Futex(current_thread_id())
+_recursive_mutex_lock :: proc(m: ^Recursive_Mutex) {
+	tid := Futex(current_thread_id())
+	for {
 		prev_owner := atomic_compare_exchange_strong_explicit(&m.impl.owner, 0, tid, .Acquire, .Acquire)
 		switch prev_owner {
 		case 0, tid:
 			m.impl.recursion += 1
 			// inside the lock
-			return true
+			return
 		}
-		return false
-	}
-} else {
-	_Recursive_Mutex :: struct {
-		owner:     int,
-		recursion: int,
-		mutex:     Mutex,
-	}
 
-	_recursive_mutex_lock :: proc(m: ^Recursive_Mutex) {
-		tid := current_thread_id()
-		if tid != m.impl.owner {
-			mutex_lock(&m.impl.mutex)
-		}
-		// inside the lock
-		m.impl.owner = tid
+		futex_wait(&m.impl.owner, u32(prev_owner))
+	}
+}
+
+_recursive_mutex_unlock :: proc(m: ^Recursive_Mutex) {
+	m.impl.recursion -= 1
+	if m.impl.recursion != 0 {
+		return
+	}
+	atomic_exchange_explicit(&m.impl.owner, 0, .Release)
+
+	futex_signal(&m.impl.owner)
+	// outside the lock
+
+}
+
+_recursive_mutex_try_lock :: proc(m: ^Recursive_Mutex) -> bool {
+	tid := Futex(current_thread_id())
+	prev_owner := atomic_compare_exchange_strong_explicit(&m.impl.owner, 0, tid, .Acquire, .Acquire)
+	switch prev_owner {
+	case 0, tid:
 		m.impl.recursion += 1
-	}
-
-	_recursive_mutex_unlock :: proc(m: ^Recursive_Mutex) {
-		tid := current_thread_id()
-		assert(tid == m.impl.owner)
-		m.impl.recursion -= 1
-		recursion := m.impl.recursion
-		if recursion == 0 {
-			m.impl.owner = 0
-		}
-		if recursion == 0 {
-			mutex_unlock(&m.impl.mutex)
-		}
-		// outside the lock
-
-	}
-
-	_recursive_mutex_try_lock :: proc(m: ^Recursive_Mutex) -> bool {
-		tid := current_thread_id()
-		if m.impl.owner == tid {
-			return mutex_try_lock(&m.impl.mutex)
-		}
-		if !mutex_try_lock(&m.impl.mutex) {
-			return false
-		}
 		// inside the lock
-		m.impl.owner = tid
-		m.impl.recursion += 1
 		return true
 	}
+	return false
 }
 
 
 when ODIN_OS != .Windows {
+	_Mutex :: struct {
+		mutex: Atomic_Mutex,
+	}
+
+	_mutex_lock :: proc(m: ^Mutex) {
+		atomic_mutex_lock(&m.impl.mutex)
+	}
+
+	_mutex_unlock :: proc(m: ^Mutex) {
+		atomic_mutex_unlock(&m.impl.mutex)
+	}
+
+	_mutex_try_lock :: proc(m: ^Mutex) -> bool {
+		return atomic_mutex_try_lock(&m.impl.mutex)
+	}
+
+	_Cond :: struct {
+		cond: Atomic_Cond,
+	}
+
+	_cond_wait :: proc(c: ^Cond, m: ^Mutex) {
+		atomic_cond_wait(&c.impl.cond, &m.impl.mutex)
+	}
+
+	_cond_wait_with_timeout :: proc(c: ^Cond, m: ^Mutex, duration: time.Duration) -> bool {
+		return atomic_cond_wait_with_timeout(&c.impl.cond, &m.impl.mutex, duration)
+	}
+
+	_cond_signal :: proc(c: ^Cond) {
+		atomic_cond_signal(&c.impl.cond)
+	}
+
+	_cond_broadcast :: proc(c: ^Cond) {
+		atomic_cond_broadcast(&c.impl.cond)
+	}
+
+
 	_RW_Mutex :: struct {
 		mutex: Atomic_RW_Mutex,
 	}
@@ -140,5 +130,4 @@ when ODIN_OS != .Windows {
 	_rw_mutex_try_shared_lock :: proc(rw: ^RW_Mutex) -> bool {
 		return atomic_rw_mutex_try_shared_lock(&rw.impl.mutex)
 	}
-
 }

core/sync/primitives_linux.odin

@@ -8,40 +8,3 @@ import "core:time"
 _current_thread_id :: proc "contextless" () -> int {
 	return unix.sys_gettid()
 }
-
-
-_Mutex :: struct {
-	mutex: Atomic_Mutex,
-}
-
-_mutex_lock :: proc(m: ^Mutex) {
-	atomic_mutex_lock(&m.impl.mutex)
-}
-
-_mutex_unlock :: proc(m: ^Mutex) {
-	atomic_mutex_unlock(&m.impl.mutex)
-}
-
-_mutex_try_lock :: proc(m: ^Mutex) -> bool {
-	return atomic_mutex_try_lock(&m.impl.mutex)
-}
-
-_Cond :: struct {
-	cond: Atomic_Cond,
-}
-
-_cond_wait :: proc(c: ^Cond, m: ^Mutex) {
-	atomic_cond_wait(&c.impl.cond, &m.impl.mutex)
-}
-
-_cond_wait_with_timeout :: proc(c: ^Cond, m: ^Mutex, duration: time.Duration) -> bool {
-	return atomic_cond_wait_with_timeout(&c.impl.cond, &m.impl.mutex, duration)
-}
-
-_cond_signal :: proc(c: ^Cond) {
-	atomic_cond_signal(&c.impl.cond)
-}
-
-_cond_broadcast :: proc(c: ^Cond) {
-	atomic_cond_broadcast(&c.impl.cond)
-}

core/sync/primitives_openbsd.odin

@@ -8,39 +8,3 @@ import "core:time"
 _current_thread_id :: proc "contextless" () -> int {
 	return os.current_thread_id()
 }
-
-_Mutex :: struct {
-	mutex: Atomic_Mutex,
-}
-
-_mutex_lock :: proc(m: ^Mutex) {
-	atomic_mutex_lock(&m.impl.mutex)
-}
-
-_mutex_unlock :: proc(m: ^Mutex) {
-	atomic_mutex_unlock(&m.impl.mutex)
-}
-
-_mutex_try_lock :: proc(m: ^Mutex) -> bool {
-	return atomic_mutex_try_lock(&m.impl.mutex)
-}
-
-_Cond :: struct {
-	cond: Atomic_Cond,
-}
-
-_cond_wait :: proc(c: ^Cond, m: ^Mutex) {
-	atomic_cond_wait(&c.impl.cond, &m.impl.mutex)
-}
-
-_cond_wait_with_timeout :: proc(c: ^Cond, m: ^Mutex, duration: time.Duration) -> bool {
-	return atomic_cond_wait_with_timeout(&c.impl.cond, &m.impl.mutex, duration)
-}
-
-_cond_signal :: proc(c: ^Cond) {
-	atomic_cond_signal(&c.impl.cond)
-}
-
-_cond_broadcast :: proc(c: ^Cond) {
-	atomic_cond_broadcast(&c.impl.cond)
-}