mono/metadata/w32semaphore-win32.c

   1 /*
   2  * w32semaphore-win32.c: Runtime support for managed Semaphore on Win32
   3  *
   4  * Author:
   5  *      Ludovic Henry (luhenry@microsoft.com)
   6  *
   7  * Licensed under the MIT license. See LICENSE file in the project root for full license information.
   8  */
   9
  10 #include "w32semaphore.h"
  11
  12 #include <windows.h>
  13 #include <winbase.h>
  14
  15 void
  16 mono_w32semaphore_init (void)
  17 {
  18 }
  19
  20 #if G_HAVE_API_SUPPORT(HAVE_CLASSIC_WINAPI_SUPPORT | HAVE_UWP_WINAPI_SUPPORT)
  21 gpointer
  22 ves_icall_System_Threading_Semaphore_CreateSemaphore_internal (gint32 initialCount, gint32 maximumCount, MonoString *name, gint32 *error)
  23 {
  24         HANDLE sem;
  25
  26         sem = CreateSemaphore (NULL, initialCount, maximumCount, name ? mono_string_chars (name) : NULL);
  27
  28         *error = GetLastError ();
  29
  30         return sem;
  31 }
  32 #endif /* G_HAVE_API_SUPPORT(HAVE_CLASSIC_WINAPI_SUPPORT | HAVE_UWP_WINAPI_SUPPORT) */
  33
  34 MonoBoolean
  35 ves_icall_System_Threading_Semaphore_ReleaseSemaphore_internal (gpointer handle, gint32 releaseCount, gint32 *prevcount)
  36 {
  37         return ReleaseSemaphore (handle, releaseCount, prevcount);
  38 }
  39
  40 gpointer
  41 ves_icall_System_Threading_Semaphore_OpenSemaphore_internal (MonoString *name, gint32 rights, gint32 *error)
  42 {
  43         HANDLE sem;
  44
  45         sem = OpenSemaphore (rights, FALSE, mono_string_chars (name));
  46
  47         *error = GetLastError ();
  48
  49         return sem;
  50 }