diff options
Diffstat (limited to 'BaseTools/Source/C/LzmaCompress/Sdk/C/Threads.c')
-rw-r--r-- | BaseTools/Source/C/LzmaCompress/Sdk/C/Threads.c | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/BaseTools/Source/C/LzmaCompress/Sdk/C/Threads.c b/BaseTools/Source/C/LzmaCompress/Sdk/C/Threads.c new file mode 100644 index 0000000000..c7d8b0a8ab --- /dev/null +++ b/BaseTools/Source/C/LzmaCompress/Sdk/C/Threads.c @@ -0,0 +1,109 @@ +/* Threads.c -- multithreading library
+2008-08-05
+Igor Pavlov
+Public domain */
+
+#include "Threads.h"
+#include <process.h>
+
+static WRes GetError()
+{
+ DWORD res = GetLastError();
+ return (res) ? (WRes)(res) : 1;
+}
+
+WRes HandleToWRes(HANDLE h) { return (h != 0) ? 0 : GetError(); }
+WRes BOOLToWRes(BOOL v) { return v ? 0 : GetError(); }
+
+static WRes MyCloseHandle(HANDLE *h)
+{
+ if (*h != NULL)
+ if (!CloseHandle(*h))
+ return GetError();
+ *h = NULL;
+ return 0;
+}
+
+WRes 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 HandleToWRes(thread->handle);
+}
+
+WRes WaitObject(HANDLE h)
+{
+ return (WRes)WaitForSingleObject(h, INFINITE);
+}
+
+WRes Thread_Wait(CThread *thread)
+{
+ if (thread->handle == NULL)
+ return 1;
+ return WaitObject(thread->handle);
+}
+
+WRes Thread_Close(CThread *thread)
+{
+ return MyCloseHandle(&thread->handle);
+}
+
+WRes Event_Create(CEvent *p, BOOL manualReset, int initialSignaled)
+{
+ p->handle = CreateEvent(NULL, manualReset, (initialSignaled ? TRUE : FALSE), NULL);
+ return HandleToWRes(p->handle);
+}
+
+WRes ManualResetEvent_Create(CManualResetEvent *p, int initialSignaled)
+ { return Event_Create(p, TRUE, initialSignaled); }
+WRes ManualResetEvent_CreateNotSignaled(CManualResetEvent *p)
+ { return ManualResetEvent_Create(p, 0); }
+
+WRes AutoResetEvent_Create(CAutoResetEvent *p, int initialSignaled)
+ { return Event_Create(p, FALSE, initialSignaled); }
+WRes AutoResetEvent_CreateNotSignaled(CAutoResetEvent *p)
+ { return AutoResetEvent_Create(p, 0); }
+
+WRes Event_Set(CEvent *p) { return BOOLToWRes(SetEvent(p->handle)); }
+WRes Event_Reset(CEvent *p) { return BOOLToWRes(ResetEvent(p->handle)); }
+WRes Event_Wait(CEvent *p) { return WaitObject(p->handle); }
+WRes Event_Close(CEvent *p) { return MyCloseHandle(&p->handle); }
+
+
+WRes Semaphore_Create(CSemaphore *p, UInt32 initiallyCount, UInt32 maxCount)
+{
+ p->handle = CreateSemaphore(NULL, (LONG)initiallyCount, (LONG)maxCount, NULL);
+ return HandleToWRes(p->handle);
+}
+
+WRes Semaphore_Release(CSemaphore *p, LONG releaseCount, LONG *previousCount)
+{
+ return BOOLToWRes(ReleaseSemaphore(p->handle, releaseCount, previousCount));
+}
+WRes Semaphore_ReleaseN(CSemaphore *p, UInt32 releaseCount)
+{
+ return Semaphore_Release(p, (LONG)releaseCount, NULL);
+}
+WRes Semaphore_Release1(CSemaphore *p)
+{
+ return Semaphore_ReleaseN(p, 1);
+}
+
+WRes Semaphore_Wait(CSemaphore *p) { return WaitObject(p->handle); }
+WRes Semaphore_Close(CSemaphore *p) { return MyCloseHandle(&p->handle); }
+
+WRes CriticalSection_Init(CCriticalSection *p)
+{
+ /* InitializeCriticalSection can raise only STATUS_NO_MEMORY exception */
+ __try
+ {
+ InitializeCriticalSection(p);
+ /* InitializeCriticalSectionAndSpinCount(p, 0); */
+ }
+ __except (EXCEPTION_EXECUTE_HANDLER) { return 1; }
+ return 0;
+}
+
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