first commit

tinycsem.h

@@ -0,0 +1,47 @@
+
+#include <stddef.h>
+#include <stdbool.h>
+
+#ifdef _WIN32
+#include <windows.h>
+#else
+#include <semaphore.h>
+#endif
+
+/*
+ * Semaphore structure
+ */
+struct tinycsem {
+#ifdef _WIN32
+    HANDLE data;
+#else
+    sem_t  data;
+#endif
+};
+
+/*
+ * Initialize a semaphore with a value of "count".
+ *
+ * The count of the semaphore must always be lower
+ * than "max", else behaviour is undefined.
+ */
+bool tinycsem_init(struct tinycsem *sem, int count, int max);
+
+/*
+ * Releases the resources held by a semaphore previously
+ * initialized with "tinycsem_init". 
+ * 
+ * After this function is used on a semaphore, you can't
+ * reuse it unless you initialize it again.
+ */
+bool tinycsem_free(struct tinycsem *sem);
+
+/*
+ * The usual semaphore wait operation.
+ */
+bool tinycsem_wait(struct tinycsem *sem);
+
+/*
+ * The usual semaphore signal operation.
+ */
+bool tinycsem_signal(struct tinycsem *sem);