Initial checkin of unified hierarchy of WPILib 2015

hal/Azalea/src/main/native/Semaphore.cpp

@@ -0,0 +1,79 @@
+
+#include "HAL/Semaphore.h"
+
+#include "ChipObject.h"
+
+const uint32_t SEMAPHORE_Q_FIFO = SEM_Q_FIFO;
+const uint32_t SEMAPHORE_Q_PRIORITY = SEM_Q_PRIORITY;
+const uint32_t SEMAPHORE_DELETE_SAFE = SEM_DELETE_SAFE;
+const uint32_t SEMAPHORE_INVERSION_SAFE = SEM_INVERSION_SAFE;
+
+const int32_t SEMAPHORE_NO_WAIT = NO_WAIT;
+const int32_t SEMAPHORE_WAIT_FOREVER = WAIT_FOREVER;
+
+const uint32_t SEMAPHORE_EMPTY = SEM_EMPTY;
+const uint32_t SEMAPHORE_FULL = SEM_FULL;
+
+MUTEX_ID initializeMutex(uint32_t flags) {
+	return semMCreate(flags);
+}
+
+void deleteMutex(MUTEX_ID sem) {
+	semDelete(sem);
+}
+
+/**
+ * Lock the semaphore, blocking until it's available.
+ * @return 0 for success, -1 for error. If -1, the error will be in errno.
+ */
+int8_t takeMutex(MUTEX_ID sem, int32_t timeout) {
+	return semTake(sem, timeout);
+}
+/**
+ * Unlock the semaphore.
+ * @return 0 for success, -1 for error. If -1, the error will be in errno.
+ */
+int8_t giveMutex(MUTEX_ID sem) {
+	return semGive(sem);
+}
+
+
+SEMAPHORE_ID initializeSemaphore(uint32_t flags, uint32_t initial_state) {
+	return semBCreate(flags, (SEM_B_STATE) initial_state);
+}
+
+void deleteSemaphore(SEMAPHORE_ID sem) {
+	semDelete(sem);
+}
+
+/**
+ * Lock the semaphore, blocking until it's available.
+ * @return 0 for success, -1 for error. If -1, the error will be in errno.
+ */
+int8_t takeSemaphore(SEMAPHORE_ID sem, int32_t timeout) {
+	return semTake(sem, timeout);
+}
+/**
+ * Unlock the semaphore.
+ * @return 0 for success, -1 for error. If -1, the error will be in errno.
+ */
+int8_t giveSemaphore(SEMAPHORE_ID sem) {
+	return semGive(sem);
+}
+
+
+MULTIWAIT_ID initializeMultiWait() {
+	return initializeSemaphore(SEMAPHORE_Q_PRIORITY, SEMAPHORE_FULL);
+}
+
+void deleteMultiWait(MULTIWAIT_ID sem) {
+	deleteSemaphore(sem);
+}
+
+int8_t takeMultiWait(MULTIWAIT_ID sem, int32_t timeout) {
+	return takeSemaphore(sem, timeout);
+}
+
+int8_t giveMultiWait(MULTIWAIT_ID sem) {
+	return semFlush(sem);
+}