mirror of https://github.com/FreeRDP/FreeRDP
78 lines
1.8 KiB
C
78 lines
1.8 KiB
C
/**
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* FreeRDP: A Remote Desktop Protocol Client
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* Stopwatch Utils
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*
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* Copyright 2011 Stephen Erisman
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <freerdp/utils/stopwatch.h>
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STOPWATCH* stopwatch_create()
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{
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STOPWATCH* sw;
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sw = (STOPWATCH*) xmalloc(sizeof(STOPWATCH));
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stopwatch_reset(sw);
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return sw;
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}
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void stopwatch_free(STOPWATCH* stopwatch)
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{
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xfree(stopwatch);
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}
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void stopwatch_start(STOPWATCH* stopwatch)
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{
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stopwatch->start = clock();
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stopwatch->count++;
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}
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void stopwatch_stop(STOPWATCH* stopwatch)
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{
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stopwatch->end = clock();
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stopwatch->elapsed += (stopwatch->end - stopwatch->start);
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}
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void stopwatch_reset(STOPWATCH* stopwatch)
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{
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stopwatch->start = 0;
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stopwatch->end = 0;
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stopwatch->elapsed = 0;
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stopwatch->count = 0;
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}
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double stopwatch_get_elapsed_time_in_seconds(STOPWATCH* stopwatch)
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{
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return ((double) stopwatch->elapsed) / CLOCKS_PER_SEC;
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}
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void stopwatch_get_elapsed_time_in_useconds(STOPWATCH* stopwatch, uint32* sec, uint32* usec)
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{
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double uelapsed;
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double clocks_per_usec;
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*sec = ((uint32) stopwatch->elapsed) / CLOCKS_PER_SEC;
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uelapsed = stopwatch->elapsed - ((double)(*sec) * CLOCKS_PER_SEC);
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clocks_per_usec = (CLOCKS_PER_SEC / 1000000);
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if (clocks_per_usec > 0.0)
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*usec = (uint32)(uelapsed / clocks_per_usec);
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else
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*usec = 0;
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}
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