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63 lines
1.6 KiB
Diff
63 lines
1.6 KiB
Diff
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Index: /liboggplay/trunk/src/liboggplay/std_semaphore.h
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===================================================================
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--- /liboggplay/trunk/src/liboggplay/std_semaphore.h (revision 3756)
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+++ /liboggplay/trunk/src/liboggplay/std_semaphore.h (revision 3871)
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@@ -35,4 +35,44 @@
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#ifndef _STD_SEMAPHORE_H
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#define _STD_SEMAPHORE_H
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+
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+/**
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+ * @def SEM_CREATE(p,s)
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+ *
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+ * Macro that creates a semaphore.
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+ *
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+ * @param p semaphore handle
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+ * @param s initial value of the semaphore
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+ * @retval 0 on success
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+ * @retval non-zero on error
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+ */
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+
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+/**
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+ * @def SEM_SIGNAL(p)
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+ *
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+ * The macro increments the given semaphore.
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+ *
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+ * @param p semaphore handle.
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+ * @retval 0 on success
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+ * @retval non-zero on error
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+ */
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+
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+/**
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+ * @def SEM_WAIT(p)
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+ *
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+ * Macro that decrements (locks) the semaphore.
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+ *
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+ * @param p semaphore handle
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+ */
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+
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+/**
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+ * @def SEM_CLOSE(p)
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+ *
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+ * Macro that closes a given semaphore.
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+ *
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+ * @param p semaphore handle
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+ * @retval 0 on success
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+ * @retval non-zero on error
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+ */
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+
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#if defined(linux) || defined(SOLARIS)
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#include <semaphore.h>
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@@ -44,9 +84,8 @@
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#elif defined(WIN32)
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#include <windows.h>
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-#define SEM_CREATE(p,s) p = CreateSemaphore(NULL, (long)(s), (long)(s), NULL)
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-#define SEM_SIGNAL(p) ReleaseSemaphore(p, 1, NULL)
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+#define SEM_CREATE(p,s) (!(p = CreateSemaphore(NULL, (long)(s), (long)(s), NULL)))
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+#define SEM_SIGNAL(p) (!ReleaseSemaphore(p, 1, NULL))
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#define SEM_WAIT(p) WaitForSingleObject(p, INFINITE)
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-#define SEM_TEST(p,s) p = WaitForSingleObject(s, 0)
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-#define SEM_CLOSE(p) CloseHandle(p)
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+#define SEM_CLOSE(p) (!CloseHandle(p))
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typedef HANDLE semaphore;
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#elif defined(__APPLE__)
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