Handle macOS properly for Semaphore

Author: LunaTheFoxgirl

source/numem/platform.d

@@ -10,10 +10,9 @@
 */
 module numem.platform;
 
-mixin template CheckOS() {
-    version(OSX) version = AppleOS;
-    else version(iOS) version = AppleOS;
-    else version(TVOS) version = AppleOS;
-    else version(WatchOS) version = AppleOS;
-    else version(VisionOS) version = AppleOS;
-}
+version(OSX) enum IsAppleOS = true;
+else version(iOS) enum IsAppleOS = true;
+else version(TVOS) enum IsAppleOS = true;
+else version(WatchOS) enum IsAppleOS = true;
+else version(VisionOS) enum IsAppleOS = true;
+else enum IsAppleOS = false;

source/numem/sync/semaphore.d

@@ -15,8 +15,6 @@ import numem.core.memory;
 import core.sync.exception;
 import core.time : convert;
 
-mixin CheckOS;
-
 version(Windows) {
 
     import core.sys.windows.basetsd;
@@ -25,7 +23,7 @@ version(Windows) {
     import core.sys.windows.winerror;
 
     alias SemaphoreHandle = HANDLE;
-} else version(AppleOS) {
+} else static if(IsAppleOS) {
 
     import core.sync.config;
     import core.stdc.errno;
@@ -70,7 +68,7 @@ public:
         bool rc = true;
 
         version(Windows) rc = cast(bool)CloseHandle(handle);
-        else version(AppleOS) rc = !semaphore_destroy(mach_task_self(), handle);
+        else static if(IsAppleOS) rc = !semaphore_destroy(mach_task_self(), handle);
         else version(Posix) rc = !sem_destroy(&handle);
         assert(rc, "Unable to destroy semahpore");
     }
@@ -84,7 +82,7 @@ public:
             handle = CreateSemaphoreA(null, cast(LONG)count, int.max, null);
             if (handle == handle.init)
                 throw nogc_new!SyncError("Unable to create semaphore");
-        } else version(AppleOS) {
+        } else static if(IsAppleOS) {
 
             auto rc = semaphore_create(mach_task_self(), &handle, SYNC_POLICY_FIFO, cast(int)count);
             if (rc)
@@ -118,10 +116,10 @@ public:
                     throw nogc_new!SyncError("Unable to wait for semaphore");
 
                 this.subCount();
-            } else version(AppleOS) {
+            } else static if(IsAppleOS) {
                 mach_timespec_t timeout = mach_timespec_t(
-                    tv_sec:     convert!("msecs", "seconds")(timeoutMs),
-                    tv_nsec:    convert!("msecs", "nsecs")(timeoutMs)
+                    tv_sec:     cast(uint)convert!("msecs", "seconds")(timeoutMs),
+                    tv_nsec:    cast(clock_res_t)convert!("msecs", "nsecs")(timeoutMs)
                 );
 
                 while(true) {
@@ -166,7 +164,7 @@ public:
 
                 this.subCount();
 
-            } else version(AppleOS) {
+            } else static if(IsAppleOS) {
 
                 while(true) {
                     auto rc = semaphore_wait(handle);
@@ -206,7 +204,7 @@ public:
         version(Windows) {
             if (!ReleaseSemaphore(handle, 1, null))
                 throw nogc_new!SyncError("Unable to signal semaphore");
-        } else version (AppleOS) {
+        } else static if(IsAppleOS) {
             auto rc = semaphore_signal(handle);
             if (rc)
                 throw nogc_new!SyncError("Unable to signal semaphore");