Remove ucore_ prefix from headers and source files

include/ucore/clock.h

@@ -0,0 +1,99 @@
+#ifndef uc_CLOCK_H_
+#define uc_CLOCK_H_
+
+#include <sys/time.h>
+#include <time.h>
+
+
+/**
+ * An abstract clock.
+ * Instead of hardcoding calls to time()/gettimeofday() and similar,
+ * it is useful tp have a level of indirection to better facilitate
+ * testing and simulation of code that's dependent on time.
+ */
+struct UCoreClock {
+    /**
+     * Name of this clock
+     */
+    const char *name;
+    /**
+     * Wrapper for getting the current time.
+     * @param tv timeval that will be filled in
+     */
+    void (*now)(struct UCoreClock *clock, struct timeval *tv);
+};
+
+
+/** A cached clock where clock.now() returns
+ * the cached value. The cache is updated
+ * from the real_clock whenever uc_cached_clock_update()
+ * is called.
+ */
+struct UCoreCachedClock {
+    /** The clock*/
+    struct UCoreClock clock;
+    /** The underlying real clock*/
+    struct UCoreClock *real_clock;
+    /** cached value */
+    struct timeval cache;
+};
+
+/** A settable clock where clock.now() returns
+ * the user settable value. The user updates the clock
+ * with uc_settable_clock_set().
+ */
+struct UCoreSettableClock {
+    /** The clock*/
+    struct UCoreClock clock;
+    /** The underlying real clock*/
+    /** Current value */
+    struct timeval now;
+};
+
+
+/** A clock where now() calls gettimeofday()
+ */
+extern struct UCoreClock uc_timeofday_clock;
+
+/**
+ * A clock where now() calls time().
+ * This clock will just have seconds resolution.
+ */
+extern struct UCoreClock uc_time_clock;
+
+/**
+ * Initialize a cached clock where now() calls time().
+ * This clock will this just have seconds resolution.
+ * @param clock clock to initialize
+ */
+void uc_cached_clock_init(struct UCoreCachedClock *uclock, 
+                                struct UCoreClock *real_clock);
+
+/** Update the cached clock from the real_clock
+ */
+void uc_cached_clock_update(struct UCoreCachedClock *uclock);
+
+
+/**
+ * Initialize a user settable where now() calls time().
+ * This clock will this just have seconds resolution.
+ * @param clock clock to initialize
+ */
+void uc_settable_clock_init(struct UCoreSettableClock *uclock);
+
+/**
+ * Set the new timeval this clock will return
+ **/
+void uc_settable_clock_set_tv(struct UCoreSettableClock *uclock, 
+                                const struct timeval *tv);
+
+/**
+ * Set the new timeval this clock will return
+ * Convenience function that takes seconds/microseconds as arguments
+ * instead of a struct timeval.
+ **/
+void uc_settable_clock_set(struct UCoreSettableClock *uclock, 
+                            time_t secs, suseconds_t usecs);
+
+#endif
+