| 0,0 → 1,94 |
|---|
| /************************************************************************** |
| * |
| * Copyright 2008-2010 VMware, Inc. |
| * All Rights Reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the |
| * "Software"), to deal in the Software without restriction, including |
| * without limitation the rights to use, copy, modify, merge, publish, |
| * distribute, sub license, and/or sell copies of the Software, and to |
| * permit persons to whom the Software is furnished to do so, subject to |
| * the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the |
| * next paragraph) shall be included in all copies or substantial portions |
| * of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
| * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR |
| * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| * |
| **************************************************************************/ |
| |
| /** |
| * @file |
| * OS independent time-manipulation functions. |
| * |
| * @author Jose Fonseca <jfonseca@vmware.com> |
| */ |
| |
| |
| #include "pipe/p_config.h" |
| |
| #if defined(PIPE_OS_UNIX) |
| # include <time.h> /* timeval */ |
| # include <sys/time.h> /* timeval */ |
| #elif defined(PIPE_SUBSYSTEM_WINDOWS_USER) |
| # include <windows.h> |
| #else |
| # error Unsupported OS |
| #endif |
| |
| #include "os_time.h" |
| |
| |
| int64_t |
| os_time_get_nano(void) |
| { |
| #if defined(PIPE_OS_LINUX) |
| |
| struct timespec tv; |
| clock_gettime(CLOCK_MONOTONIC, &tv); |
| return tv.tv_nsec + tv.tv_sec*INT64_C(1000000000); |
| |
| #elif defined(PIPE_OS_UNIX) |
| |
| struct timeval tv; |
| gettimeofday(&tv, NULL); |
| return tv.tv_usec*INT64_C(1000) + tv.tv_sec*INT64_C(1000000000); |
| |
| #elif defined(PIPE_SUBSYSTEM_WINDOWS_USER) |
| |
| static LARGE_INTEGER frequency; |
| LARGE_INTEGER counter; |
| if(!frequency.QuadPart) |
| QueryPerformanceFrequency(&frequency); |
| QueryPerformanceCounter(&counter); |
| return counter.QuadPart*INT64_C(1000000000)/frequency.QuadPart; |
| |
| #else |
| |
| #error Unsupported OS |
| |
| #endif |
| } |
| |
| |
| #if defined(PIPE_SUBSYSTEM_WINDOWS_USER) |
| |
| void |
| os_time_sleep(int64_t usecs) |
| { |
| DWORD dwMilliseconds = (DWORD) ((usecs + 999) / 1000); |
| /* Avoid Sleep(O) as that would cause to sleep for an undetermined duration */ |
| if (dwMilliseconds) { |
| Sleep(dwMilliseconds); |
| } |
| } |
| |
| #endif |