X-Git-Url: https://pd.if.org/git/?p=pdclib;a=blobdiff_plain;f=platform%2Fwin32%2Ffunctions%2Fthreads%2Fcall_once.c;h=6996b3e5622e044a204c0f19454210e0b5fe6836;hp=211b21984be665be994d6ab42eb01df0a162661f;hb=abc15df6b9fae3374d24c7cf5c3ab94c605b2a6d;hpb=8894c921674bb116d0a7b8f23a55311e7a768019

diff --git a/platform/win32/functions/threads/call_once.c b/platform/win32/functions/threads/call_once.c
index 211b219..6996b3e 100644
--- a/platform/win32/functions/threads/call_once.c
+++ b/platform/win32/functions/threads/call_once.c
@@ -1,79 +1,79 @@
-#ifndef REGTEST
-#include <threads.h>
-#include <windows.h>
-
-static volatile HANDLE onceHandle = NULL;
-
-static void initOnceHandle( _PDCLIB_once_flag *flag )
-{
-    HANDLE tOnceHandle = CreateEvent(NULL, TRUE, TRUE, NULL);
-    HANDLE oldVal 
-        = InterlockedCompareExchangePointer(&flag->_Handle, tOnceHandle, NULL);
-    if(oldVal != NULL)
-        CloseHandle(tOnceHandle);
-}
-
-void _PDCLIB_call_once(_PDCLIB_once_flag *flag, void (*func)(void))
-{
-   if(!flag->_Handle) initOnceHandle(flag);
-
-   long oldVal = InterlockedCompareExchange(&flag->_State, 1, -1);
-   for(;;) {
-        if(oldVal == 0) {
-            // Initialized
-            return;
-        } else if(oldVal == -1) {
-            // We are doing the initialization
-            func();
-            if(InterlockedDecrement(&flag->_State) == 0)
-                CloseHandle(flag->_Handle);
-            SetEvent(flag->_Handle);
-            return;
-        } else {
-            // Somebody else is initializing - we are waiting
-            long newOldVal = InterlockedCompareExchange(&flag->_State, oldVal, 
-                                                        oldVal+1);
-            if(newOldVal == oldVal) {
-                // We incremented the "waiters" counter
-                if(WaitForSingleObject(flag->_Handle, INFINITE) != WAIT_OBJECT_0)
-                    abort();
-                if(InterlockedDecrement(&flag->_State) == 0)
-                    CloseHandle(flag->_Handle);
-                return;
-            } else {
-                oldVal = newOldVal;
-                continue;
-            }
-        }
-    }
-}
-#endif
-
-#ifdef TEST
-#include "_PDCLIB_test.h"
-
-#ifndef REGTEST
-static int count = 0;
-static once_flag once = ONCE_FLAG_INIT;
-
-static void do_once(void)
-{
-    count++;
-}
-#endif
-
-int main( void )
-{
-#ifndef REGTEST
-    TESTCASE(count == 0);
-    call_once(&once, do_once);
-    TESTCASE(count == 1);
-    call_once(&once, do_once);
-    TESTCASE(count == 1);
-    do_once();
-    TESTCASE(count == 2);
-#endif
-    return TEST_RESULTS;
-}
-
-#endif
+#ifndef REGTEST
+#include <threads.h>
+#include <windows.h>
+
+static volatile HANDLE onceHandle = NULL;
+
+static void initOnceHandle( _PDCLIB_once_flag *flag )
+{
+    HANDLE tOnceHandle = CreateEvent(NULL, TRUE, TRUE, NULL);
+    HANDLE oldVal 
+        = InterlockedCompareExchangePointer(&flag->_Handle, tOnceHandle, NULL);
+    if(oldVal != NULL)
+        CloseHandle(tOnceHandle);
+}
+
+void _PDCLIB_call_once(_PDCLIB_once_flag *flag, void (*func)(void))
+{
+   if(!flag->_Handle) initOnceHandle(flag);
+
+   long oldVal = InterlockedCompareExchange(&flag->_State, 1, -1);
+   for(;;) {
+        if(oldVal == 0) {
+            // Initialized
+            return;
+        } else if(oldVal == -1) {
+            // We are doing the initialization
+            func();
+            if(InterlockedDecrement(&flag->_State) == 0)
+                CloseHandle(flag->_Handle);
+            SetEvent(flag->_Handle);
+            return;
+        } else {
+            // Somebody else is initializing - we are waiting
+            long newOldVal = InterlockedCompareExchange(&flag->_State, oldVal, 
+                                                        oldVal+1);
+            if(newOldVal == oldVal) {
+                // We incremented the "waiters" counter
+                if(WaitForSingleObject(flag->_Handle, INFINITE) != WAIT_OBJECT_0)
+                    abort();
+                if(InterlockedDecrement(&flag->_State) == 0)
+                    CloseHandle(flag->_Handle);
+                return;
+            } else {
+                oldVal = newOldVal;
+                continue;
+            }
+        }
+    }
+}
+#endif
+
+#ifdef TEST
+#include "_PDCLIB_test.h"
+
+#ifndef REGTEST
+static int count = 0;
+static once_flag once = ONCE_FLAG_INIT;
+
+static void do_once(void)
+{
+    count++;
+}
+#endif
+
+int main( void )
+{
+#ifndef REGTEST
+    TESTCASE(count == 0);
+    call_once(&once, do_once);
+    TESTCASE(count == 1);
+    call_once(&once, do_once);
+    TESTCASE(count == 1);
+    do_once();
+    TESTCASE(count == 2);
+#endif
+    return TEST_RESULTS;
+}
+
+#endif