Add tests for fileops

tests/unittests/data/teststaticnewlinebraces.h

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+/**
+ * @file condvar.h
+ * @brief Condition variable synchronization primitive.
+ * @author plutoo
+ * @copyright libnx Authors
+ */
+#pragma once
+#include "../types.h"
+#include "../kernel/mutex.h"
+
+/// Condition variable structure.
+typedef struct {
+    u32    tag;
+    Mutex* mutex;
+} CondVar;
+
+/**
+ * @brief Initializes a condition variable.
+ * @param[in] c Condition variable object.
+ * @param[in] m Mutex object to use inside the condition variable.
+ */
+void condvarInit(CondVar* c, Mutex* m);
+
+/**
+ * @brief Waits on a condition variable with a timeout.
+ * @param[in] c Condition variable object.
+ * @param[in] timeout Timeout in nanoseconds.
+ * @return Result code (0xEA01 on timeout).
+ * @remark On function return, the underlying mutex is acquired.
+ */
+Result condvarWaitTimeout(CondVar* c, u64 timeout);
+
+/**
+ * @brief Waits on a condition variable.
+ * @param[in] c Condition variable object.
+ * @return Result code.
+ * @remark On function return, the underlying mutex is acquired.
+ */
+static inline Result condvarWait(CondVar* c)
+{
+    return condvarWaitTimeout(c, -1ull);
+}
+
+/**
+ * @brief Wakes up up to the specified number of threads waiting on a condition variable.
+ * @param[in] c Condition variable object.
+ * @param[in] num Maximum number of threads to wake up (or -1 to wake them all up).
+ * @return Result code.
+ */
+Result condvarWake(CondVar* c, int num);
+
+/**
+ * @brief Wakes up a single thread waiting on a condition variable.
+ * @param[in] c Condition variable object.
+ * @return Result code.
+ */
+static inline Result condvarWakeOne(CondVar* c)
+{
+    return condvarWake(c, 1);
+}
+
+/**
+ * @brief Wakes up all thread waiting on a condition variable.
+ * @param[in] c Condition variable object.
+ * @return Result code.
+ */
+static inline Result condvarWakeAll(CondVar* c)
+{
+    return condvarWake(c, -1);
+}
+