osthread: thread_suspendAll() code split over *_impl modules

Author: denizzzka

druntime/src/core/thread/osthread.d

@@ -954,36 +954,7 @@ extern (C) void thread_suspendAll() nothrow
             t = tn;
         }
 
-        version (Darwin)
-        {}
-        else version (Solaris)
-        {}
-        else version (WASI)
-        {}
-        else version (Posix)
-        {
-            // Subtract own thread if we called suspend() on ourselves.
-            // For example, suspendedSelf would be false if the current
-            // thread ran thread_detachThis().
-            assert(cnt >= 1);
-            if (suspendedSelf)
-                --cnt;
-            // wait for semaphore notifications
-            for (; cnt; --cnt)
-            {
-                while (sem_wait(&suspendCount) != 0)
-                {
-                    if (errno != EINTR)
-                        onThreadError("Unable to wait for semaphore");
-                    errno = 0;
-                }
-            }
-        }
-        else version (Windows)
-        {
-        }
-        else
-            static assert(0, "unsupported os");
+        afterStopTheWorld(suspendedSelf, cnt);
     }
 }
 

druntime/src/core/thread/posix_impl.d

@@ -864,6 +864,35 @@ package bool resumeThreadImpl(Thread t) @nogc nothrow
         return pthread_kill(t.m_tdescr.tid, resumeSignalNumber) == 0;
 }
 
+package void afterStopTheWorld(bool suspendedSelf, size_t cnt) @nogc nothrow
+{
+    version (Darwin)
+    {}
+    else version (Solaris)
+    {}
+    else version (WASI)
+    {}
+    else version (Posix)
+    {
+        // Subtract own thread if we called suspend() on ourselves.
+        // For example, suspendedSelf would be false if the current
+        // thread ran thread_detachThis().
+        assert(cnt >= 1);
+        if (suspendedSelf)
+            --cnt;
+        // wait for semaphore notifications
+        for (; cnt; --cnt)
+        {
+            while (sem_wait(&suspendCount) != 0)
+            {
+                if (errno != EINTR)
+                    onThreadError("Unable to wait for semaphore");
+                errno = 0;
+            }
+        }
+    }
+}
+
 package void loadStackAndRegInfo(Thread t, const bool sameThread) nothrow @nogc
 {
     version (Darwin)

druntime/src/core/thread/windows_impl.d

@@ -462,6 +462,8 @@ package bool resumeThreadImpl(Thread t) @nogc nothrow
     return ResumeThread(t.m_tdescr.hndl) != 0xFFFFFFFF;
 }
 
+package void afterStopTheWorld(bool suspendedSelf, size_t cnt) @nogc nothrow { /* do nothing */ }
+
 package void loadStackAndRegInfo(Thread t, const bool sameThread) nothrow @nogc
 {
     CONTEXT context = void;