X-Git-Url: http://vcs.maemo.org/git/?a=blobdiff_plain;f=lzma%2FC%2FThreads.c;fp=lzma%2FC%2FThreads.c;h=def48175a62de4a52921b9463f1f65a14eb80b0d;hb=1a2e54b98aaab3669eebd38facb83687c4ac7baf;hp=0000000000000000000000000000000000000000;hpb=0b9bdac28929054558b5d7f315403fe3399a1413;p=physicsfs

diff --git a/lzma/C/Threads.c b/lzma/C/Threads.c
new file mode 100644
index 0000000..def4817
--- /dev/null
+++ b/lzma/C/Threads.c
@@ -0,0 +1,106 @@
+/* Threads.c */
+
+#include "Threads.h"
+#include <process.h>
+
+HRes GetError()
+{
+  DWORD res = GetLastError();
+  return (res) ? (HRes)(res) : SZE_FAIL;
+}
+
+HRes BoolToHRes(int v) { return v ? SZ_OK : GetError(); }
+HRes BOOLToHRes(BOOL v) { return v ? SZ_OK : GetError(); }
+
+HRes MyCloseHandle(HANDLE *h)
+{
+  if (*h != NULL)
+    if (!CloseHandle(*h))
+      return GetError();
+  *h = NULL;
+  return SZ_OK;
+}
+
+HRes Thread_Create(CThread *thread, THREAD_FUNC_RET_TYPE (THREAD_FUNC_CALL_TYPE *startAddress)(void *), LPVOID parameter)
+{ 
+  unsigned threadId; /* Windows Me/98/95: threadId parameter may not be NULL in _beginthreadex/CreateThread functions */
+  thread->handle = 
+    /* CreateThread(0, 0, startAddress, parameter, 0, &threadId); */
+    (HANDLE)_beginthreadex(NULL, 0, startAddress, parameter, 0, &threadId);
+    /* maybe we must use errno here, but probably GetLastError() is also OK. */
+  return BoolToHRes(thread->handle != 0);
+}
+
+HRes WaitObject(HANDLE h)
+{
+  return (HRes)WaitForSingleObject(h, INFINITE); 
+}
+
+HRes Thread_Wait(CThread *thread)
+{
+  if (thread->handle == NULL)
+    return 1;
+  return WaitObject(thread->handle); 
+}
+
+HRes Thread_Close(CThread *thread)
+{
+  return MyCloseHandle(&thread->handle);
+}
+
+HRes Event_Create(CEvent *p, BOOL manualReset, int initialSignaled)
+{
+  p->handle = CreateEvent(NULL, manualReset, (initialSignaled ? TRUE : FALSE), NULL);
+  return BoolToHRes(p->handle != 0);
+}
+
+HRes ManualResetEvent_Create(CManualResetEvent *p, int initialSignaled)
+  { return Event_Create(p, TRUE, initialSignaled); }
+HRes ManualResetEvent_CreateNotSignaled(CManualResetEvent *p) 
+  { return ManualResetEvent_Create(p, 0); }
+
+HRes AutoResetEvent_Create(CAutoResetEvent *p, int initialSignaled)
+  { return Event_Create(p, FALSE, initialSignaled); }
+HRes AutoResetEvent_CreateNotSignaled(CAutoResetEvent *p) 
+  { return AutoResetEvent_Create(p, 0); }
+
+HRes Event_Set(CEvent *p) { return BOOLToHRes(SetEvent(p->handle)); }
+HRes Event_Reset(CEvent *p) { return BOOLToHRes(ResetEvent(p->handle)); }
+HRes Event_Wait(CEvent *p) { return WaitObject(p->handle); }
+HRes Event_Close(CEvent *p) { return MyCloseHandle(&p->handle); }
+
+
+HRes Semaphore_Create(CSemaphore *p, UInt32 initiallyCount, UInt32 maxCount)
+{
+  p->handle = CreateSemaphore(NULL, (LONG)initiallyCount, (LONG)maxCount, NULL);
+  return BoolToHRes(p->handle != 0);
+}
+
+HRes Semaphore_Release(CSemaphore *p, LONG releaseCount, LONG *previousCount) 
+{ 
+  return BOOLToHRes(ReleaseSemaphore(p->handle, releaseCount, previousCount)); 
+}
+HRes Semaphore_ReleaseN(CSemaphore *p, UInt32 releaseCount)
+{
+  return Semaphore_Release(p, (LONG)releaseCount, NULL);
+}
+HRes Semaphore_Release1(CSemaphore *p)
+{
+  return Semaphore_ReleaseN(p, 1);
+}
+
+HRes Semaphore_Wait(CSemaphore *p) { return WaitObject(p->handle); }
+HRes Semaphore_Close(CSemaphore *p) { return MyCloseHandle(&p->handle); }
+
+HRes CriticalSection_Init(CCriticalSection *p)
+{
+  /* InitializeCriticalSection can raise only STATUS_NO_MEMORY exception */
+  __try 
+  { 
+    InitializeCriticalSection(p); 
+    /* InitializeCriticalSectionAndSpinCount(p, 0); */
+  }  
+  __except (EXCEPTION_EXECUTE_HANDLER) { return SZE_OUTOFMEMORY; }
+  return SZ_OK;
+}
+