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-rw-r--r--indra/llcommon/lltimer.h376
1 files changed, 188 insertions, 188 deletions
diff --git a/indra/llcommon/lltimer.h b/indra/llcommon/lltimer.h
index fe4a3afc7a..60eb007595 100644
--- a/indra/llcommon/lltimer.h
+++ b/indra/llcommon/lltimer.h
@@ -1,188 +1,188 @@
-/**
- * @file lltimer.h
- * @brief Cross-platform objects for doing timing
- *
- * $LicenseInfo:firstyear=2000&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- *
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
- * $/LicenseInfo$
- */
-
-#ifndef LL_TIMER_H
-#define LL_TIMER_H
-
-#if LL_LINUX || LL_DARWIN
-#include <sys/time.h>
-#endif
-#include <limits.h>
-
-#include "stdtypes.h"
-
-#include <string>
-#include <list>
-// units conversions
-#include "llunits.h"
-#ifndef USEC_PER_SEC
- const U32 USEC_PER_SEC = 1000000;
-#endif
-const U32 SEC_PER_MIN = 60;
-const U32 MIN_PER_HOUR = 60;
-const U32 USEC_PER_MIN = USEC_PER_SEC * SEC_PER_MIN;
-const U32 USEC_PER_HOUR = USEC_PER_MIN * MIN_PER_HOUR;
-const U32 SEC_PER_HOUR = SEC_PER_MIN * MIN_PER_HOUR;
-const F64 SEC_PER_USEC = 1.0 / (F64) USEC_PER_SEC;
-
-class LL_COMMON_API LLTimer
-{
-public:
- static LLTimer *sTimer; // global timer
-
-protected:
- U64 mLastClockCount;
- U64 mExpirationTicks;
- bool mStarted;
-
-public:
- LLTimer();
- ~LLTimer();
-
- static void initClass();
- static void cleanupClass();
-
- // Return a high precision number of seconds since the start of
- // this application instance.
- static F64SecondsImplicit getElapsedSeconds()
- {
- if (sTimer)
- {
- return sTimer->getElapsedTimeF64();
- }
- else
- {
- return 0;
- }
- }
-
- // Return a high precision usec since epoch
- static U64MicrosecondsImplicit getTotalTime();
-
- // Return a high precision seconds since epoch
- static F64SecondsImplicit getTotalSeconds();
-
-
- // MANIPULATORS
- void start() { reset(); mStarted = TRUE; }
- void stop() { mStarted = FALSE; }
- void reset(); // Resets the timer
- void setLastClockCount(U64 current_count); // Sets the timer so that the next elapsed call will be relative to this time
- void setTimerExpirySec(F32SecondsImplicit expiration);
- BOOL checkExpirationAndReset(F32 expiration);
- BOOL hasExpired() const;
- F32SecondsImplicit getElapsedTimeAndResetF32(); // Returns elapsed time in seconds with reset
- F64SecondsImplicit getElapsedTimeAndResetF64();
-
- F32SecondsImplicit getRemainingTimeF32() const;
-
- static BOOL knownBadTimer();
-
- // ACCESSORS
- F32SecondsImplicit getElapsedTimeF32() const; // Returns elapsed time in seconds
- F64SecondsImplicit getElapsedTimeF64() const; // Returns elapsed time in seconds
-
- bool getStarted() const { return mStarted; }
-
-
- static U64 getCurrentClockCount(); // Returns the raw clockticks
-};
-
-//
-// Various functions for initializing/accessing clock and timing stuff. Don't use these without REALLY knowing how they work.
-//
-struct TimerInfo
-{
- TimerInfo();
- void update();
-
- F64HertzImplicit mClockFrequency;
- F64SecondsImplicit mClockFrequencyInv;
- F64MicrosecondsImplicit mClocksToMicroseconds;
- U64 mTotalTimeClockCount;
- U64 mLastTotalTimeClockCount;
-};
-
-TimerInfo& get_timer_info();
-
-LL_COMMON_API U64 get_clock_count();
-
-// Sleep for milliseconds
-LL_COMMON_API void ms_sleep(U32 ms);
-LL_COMMON_API U32 micro_sleep(U64 us, U32 max_yields = 0xFFFFFFFF);
-
-// Returns the correct UTC time in seconds, like time(NULL).
-// Useful on the viewer, which may have its local clock set wrong.
-LL_COMMON_API time_t time_corrected();
-
-static inline time_t time_min()
-{
- if (sizeof(time_t) == 4)
- {
- return (time_t) INT_MIN;
- } else {
-#ifdef LLONG_MIN
- return (time_t) LLONG_MIN;
-#else
- return (time_t) LONG_MIN;
-#endif
- }
-}
-
-static inline time_t time_max()
-{
- if (sizeof(time_t) == 4)
- {
- return (time_t) INT_MAX;
- } else {
-#ifdef LLONG_MAX
- return (time_t) LLONG_MAX;
-#else
- return (time_t) LONG_MAX;
-#endif
- }
-}
-
-// Correction factor used by time_corrected() above.
-extern LL_COMMON_API S32 gUTCOffset;
-
-// Is the current computer (in its current time zone)
-// observing daylight savings time?
-LL_COMMON_API BOOL is_daylight_savings();
-
-// Converts internal "struct tm" time buffer to Pacific Standard/Daylight Time
-// Usage:
-// S32 utc_time;
-// utc_time = time_corrected();
-// struct tm* internal_time = utc_to_pacific_time(utc_time, gDaylight);
-LL_COMMON_API struct tm* utc_to_pacific_time(time_t utc_time, BOOL pacific_daylight_time);
-
-LL_COMMON_API void microsecondsToTimecodeString(U64MicrosecondsImplicit current_time, std::string& tcstring);
-LL_COMMON_API void secondsToTimecodeString(F32SecondsImplicit current_time, std::string& tcstring);
-
-U64MicrosecondsImplicit LL_COMMON_API totalTime(); // Returns current system time in microseconds
-
-#endif
+/**
+ * @file lltimer.h
+ * @brief Cross-platform objects for doing timing
+ *
+ * $LicenseInfo:firstyear=2000&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_TIMER_H
+#define LL_TIMER_H
+
+#if LL_LINUX || LL_DARWIN
+#include <sys/time.h>
+#endif
+#include <limits.h>
+
+#include "stdtypes.h"
+
+#include <string>
+#include <list>
+// units conversions
+#include "llunits.h"
+#ifndef USEC_PER_SEC
+ const U32 USEC_PER_SEC = 1000000;
+#endif
+const U32 SEC_PER_MIN = 60;
+const U32 MIN_PER_HOUR = 60;
+const U32 USEC_PER_MIN = USEC_PER_SEC * SEC_PER_MIN;
+const U32 USEC_PER_HOUR = USEC_PER_MIN * MIN_PER_HOUR;
+const U32 SEC_PER_HOUR = SEC_PER_MIN * MIN_PER_HOUR;
+const F64 SEC_PER_USEC = 1.0 / (F64) USEC_PER_SEC;
+
+class LL_COMMON_API LLTimer
+{
+public:
+ static LLTimer *sTimer; // global timer
+
+protected:
+ U64 mLastClockCount;
+ U64 mExpirationTicks;
+ bool mStarted;
+
+public:
+ LLTimer();
+ ~LLTimer();
+
+ static void initClass();
+ static void cleanupClass();
+
+ // Return a high precision number of seconds since the start of
+ // this application instance.
+ static F64SecondsImplicit getElapsedSeconds()
+ {
+ if (sTimer)
+ {
+ return sTimer->getElapsedTimeF64();
+ }
+ else
+ {
+ return 0;
+ }
+ }
+
+ // Return a high precision usec since epoch
+ static U64MicrosecondsImplicit getTotalTime();
+
+ // Return a high precision seconds since epoch
+ static F64SecondsImplicit getTotalSeconds();
+
+
+ // MANIPULATORS
+ void start() { reset(); mStarted = true; }
+ void stop() { mStarted = false; }
+ void reset(); // Resets the timer
+ void setLastClockCount(U64 current_count); // Sets the timer so that the next elapsed call will be relative to this time
+ void setTimerExpirySec(F32SecondsImplicit expiration);
+ bool checkExpirationAndReset(F32 expiration);
+ bool hasExpired() const;
+ F32SecondsImplicit getElapsedTimeAndResetF32(); // Returns elapsed time in seconds with reset
+ F64SecondsImplicit getElapsedTimeAndResetF64();
+
+ F32SecondsImplicit getRemainingTimeF32() const;
+
+ static bool knownBadTimer();
+
+ // ACCESSORS
+ F32SecondsImplicit getElapsedTimeF32() const; // Returns elapsed time in seconds
+ F64SecondsImplicit getElapsedTimeF64() const; // Returns elapsed time in seconds
+
+ bool getStarted() const { return mStarted; }
+
+
+ static U64 getCurrentClockCount(); // Returns the raw clockticks
+};
+
+//
+// Various functions for initializing/accessing clock and timing stuff. Don't use these without REALLY knowing how they work.
+//
+struct TimerInfo
+{
+ TimerInfo();
+ void update();
+
+ F64HertzImplicit mClockFrequency;
+ F64SecondsImplicit mClockFrequencyInv;
+ F64MicrosecondsImplicit mClocksToMicroseconds;
+ U64 mTotalTimeClockCount;
+ U64 mLastTotalTimeClockCount;
+};
+
+TimerInfo& get_timer_info();
+
+LL_COMMON_API U64 get_clock_count();
+
+// Sleep for milliseconds
+LL_COMMON_API void ms_sleep(U32 ms);
+LL_COMMON_API U32 micro_sleep(U64 us, U32 max_yields = 0xFFFFFFFF);
+
+// Returns the correct UTC time in seconds, like time(NULL).
+// Useful on the viewer, which may have its local clock set wrong.
+LL_COMMON_API time_t time_corrected();
+
+static inline time_t time_min()
+{
+ if (sizeof(time_t) == 4)
+ {
+ return (time_t) INT_MIN;
+ } else {
+#ifdef LLONG_MIN
+ return (time_t) LLONG_MIN;
+#else
+ return (time_t) LONG_MIN;
+#endif
+ }
+}
+
+static inline time_t time_max()
+{
+ if (sizeof(time_t) == 4)
+ {
+ return (time_t) INT_MAX;
+ } else {
+#ifdef LLONG_MAX
+ return (time_t) LLONG_MAX;
+#else
+ return (time_t) LONG_MAX;
+#endif
+ }
+}
+
+// Correction factor used by time_corrected() above.
+extern LL_COMMON_API S32 gUTCOffset;
+
+// Is the current computer (in its current time zone)
+// observing daylight savings time?
+LL_COMMON_API bool is_daylight_savings();
+
+// Converts internal "struct tm" time buffer to Pacific Standard/Daylight Time
+// Usage:
+// S32 utc_time;
+// utc_time = time_corrected();
+// struct tm* internal_time = utc_to_pacific_time(utc_time, gDaylight);
+LL_COMMON_API struct tm* utc_to_pacific_time(time_t utc_time, bool pacific_daylight_time);
+
+LL_COMMON_API void microsecondsToTimecodeString(U64MicrosecondsImplicit current_time, std::string& tcstring);
+LL_COMMON_API void secondsToTimecodeString(F32SecondsImplicit current_time, std::string& tcstring);
+
+U64MicrosecondsImplicit LL_COMMON_API totalTime(); // Returns current system time in microseconds
+
+#endif
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