mono/metadata/w32semaphore-win32.c

   1 /**
   2  * \file
   3  * Runtime support for managed Semaphore on Win32
   4  *
   5  * Author:
   6  *      Ludovic Henry (luhenry@microsoft.com)
   7  *
   8  * Licensed under the MIT license. See LICENSE file in the project root for full license information.
   9  */
  10
  11 #include "w32semaphore.h"
  12
  13 #include <windows.h>
  14 #include <winbase.h>
  15 #include "object-internals.h"
  16 #include "icall-decl.h"
  17
  18 void
  19 mono_w32semaphore_init (void)
  20 {
  21 }
  22
  23 #if G_HAVE_API_SUPPORT(HAVE_CLASSIC_WINAPI_SUPPORT | HAVE_UWP_WINAPI_SUPPORT)
  24 gpointer
  25 ves_icall_System_Threading_Semaphore_CreateSemaphore_icall (gint32 initialCount, gint32 maximumCount,
  26         const gunichar2 *name, gint32 name_length, gint32 *win32error, MonoError *error)
  27 {
  28         HANDLE sem;
  29         MONO_ENTER_GC_SAFE;
  30         sem = CreateSemaphoreW (NULL, initialCount, maximumCount, name);
  31         MONO_EXIT_GC_SAFE;
  32         *win32error = GetLastError ();
  33         return sem;
  34 }
  35 #endif /* G_HAVE_API_SUPPORT(HAVE_CLASSIC_WINAPI_SUPPORT | HAVE_UWP_WINAPI_SUPPORT) */
  36
  37 MonoBoolean
  38 ves_icall_System_Threading_Semaphore_ReleaseSemaphore_internal (gpointer handle, gint32 releaseCount, gint32 *prevcount, MonoError *error)
  39 {
  40         return ReleaseSemaphore (handle, releaseCount, (PLONG)prevcount);
  41 }
  42
  43 gpointer
  44 ves_icall_System_Threading_Semaphore_OpenSemaphore_icall (const gunichar2 *name, gint32 name_length,
  45         gint32 rights, gint32 *win32error, MonoError *error)
  46 {
  47         HANDLE sem;
  48         MONO_ENTER_GC_SAFE;
  49         sem = OpenSemaphoreW (rights, FALSE, name);
  50         MONO_EXIT_GC_SAFE;
  51         *win32error = GetLastError ();
  52         return sem;
  53 }