From 50a501dbe89ec8f9a76540015890dd361f1ec8a1 Mon Sep 17 00:00:00 2001 From: Benny Prijono Date: Wed, 10 May 2006 19:24:40 +0000 Subject: Merge-in RTEMS port patch by Phil Torre , alpha release. git-svn-id: http://svn.pjsip.org/repos/pjproject/trunk@433 74dad513-b988-da41-8d7b-12977e46ad98 --- pjlib/src/pj/os_timestamp_linux.c | 142 -------------------------------------- 1 file changed, 142 deletions(-) delete mode 100644 pjlib/src/pj/os_timestamp_linux.c (limited to 'pjlib/src/pj/os_timestamp_linux.c') diff --git a/pjlib/src/pj/os_timestamp_linux.c b/pjlib/src/pj/os_timestamp_linux.c deleted file mode 100644 index 9d9ae8e5..00000000 --- a/pjlib/src/pj/os_timestamp_linux.c +++ /dev/null @@ -1,142 +0,0 @@ -/* $Id$ */ -/* - * Copyright (C)2003-2006 Benny Prijono - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -#include -#include -#include -#include -#include -#include - -#if defined(PJ_HAS_PENTIUM) && PJ_HAS_PENTIUM!=0 && \ - defined(PJ_TIMESTAMP_USE_RDTSC) && PJ_TIMESTAMP_USE_RDTSC!=0 && \ - defined(PJ_M_I386) && PJ_M_I386!=0 && \ - defined(PJ_LINUX) && PJ_LINUX!=0 -static int machine_speed_mhz; -static pj_timestamp machine_speed; - -static __inline__ unsigned long long int rdtsc() -{ - unsigned long long int x; - __asm__ volatile (".byte 0x0f, 0x31" : "=A" (x)); - return x; -} - -/* Determine machine's CPU MHz to get the counter's frequency. - */ -static int get_machine_speed_mhz() -{ - FILE *strm; - char buf[512]; - int len; - char *pos, *end; - - PJ_CHECK_STACK(); - - /* Open /proc/cpuinfo and read the file */ - strm = fopen("/proc/cpuinfo", "r"); - if (!strm) - return -1; - len = fread(buf, 1, sizeof(buf), strm); - fclose(strm); - if (len < 1) { - return -1; - } - buf[len] = '\0'; - - /* Locate the MHz digit. */ - pos = strstr(buf, "cpu MHz"); - if (!pos) - return -1; - pos = strchr(pos, ':'); - if (!pos) - return -1; - end = (pos += 2); - while (isdigit(*end)) ++end; - *end = '\0'; - - /* Return the Mhz part, and give it a +1. */ - return atoi(pos)+1; -} - -PJ_DEF(pj_status_t) pj_get_timestamp(pj_timestamp *ts) -{ - if (machine_speed_mhz == 0) { - machine_speed_mhz = get_machine_speed_mhz(); - if (machine_speed_mhz > 0) { - machine_speed.u64 = machine_speed_mhz * 1000000.0; - } - } - - if (machine_speed_mhz == -1) { - ts->u64 = 0; - return -1; - } - ts->u64 = rdtsc(); - return 0; -} - -PJ_DEF(pj_status_t) pj_get_timestamp_freq(pj_timestamp *freq) -{ - if (machine_speed_mhz == 0) { - machine_speed_mhz = get_machine_speed_mhz(); - if (machine_speed_mhz > 0) { - machine_speed.u64 = machine_speed_mhz * 1000000.0; - } - } - - if (machine_speed_mhz == -1) { - freq->u64 = 1; /* return 1 to prevent division by zero in apps. */ - return -1; - } - - freq->u64 = machine_speed.u64; - return 0; -} - -#else -#include -#include - -#define USEC_PER_SEC 1000000 - -PJ_DEF(pj_status_t) pj_get_timestamp(pj_timestamp *ts) -{ - struct timeval tv; - - if (gettimeofday(&tv, NULL) != 0) { - return PJ_RETURN_OS_ERROR(pj_get_native_os_error()); - } - - ts->u64 = tv.tv_sec; - ts->u64 *= USEC_PER_SEC; - ts->u64 += tv.tv_usec; - - return PJ_SUCCESS; -} - -PJ_DEF(pj_status_t) pj_get_timestamp_freq(pj_timestamp *freq) -{ - freq->u32.hi = 0; - freq->u32.lo = USEC_PER_SEC; - - return PJ_SUCCESS; -} - -#endif - -- cgit v1.2.3