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Diffstat (limited to 'pjlib/src/pj/os_timestamp_linux.c')
-rw-r--r--pjlib/src/pj/os_timestamp_linux.c274
1 files changed, 137 insertions, 137 deletions
diff --git a/pjlib/src/pj/os_timestamp_linux.c b/pjlib/src/pj/os_timestamp_linux.c
index 52639dcd..ee94e6e8 100644
--- a/pjlib/src/pj/os_timestamp_linux.c
+++ b/pjlib/src/pj/os_timestamp_linux.c
@@ -1,137 +1,137 @@
-/* $Header: /pjproject-0.3/pjlib/src/pj/os_timestamp_linux.c 4 10/29/05 10:27p Bennylp $ */
-/* $Log: /pjproject-0.3/pjlib/src/pj/os_timestamp_linux.c $
- *
- * 4 10/29/05 10:27p Bennylp
- * Fixed misc warnings.
- *
- * 3 10/29/05 11:51a Bennylp
- * Version 0.3-pre2.
- *
- * 2 9/21/05 1:39p Bennylp
- * Periodic checkin for backup.
- *
- * 1 9/18/05 9:25p Bennylp
- * Created.
- *
- */
-#include <pj/os.h>
-#include <pj/errno.h>
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <ctype.h>
-
-#if defined(PJ_HAS_PENTIUM) && PJ_HAS_PENTIUM!=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 <sys/time.h>
-#include <errno.h>
-
-#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
-
+/* $Header: /pjproject-0.3/pjlib/src/pj/os_timestamp_linux.c 4 10/29/05 10:27p Bennylp $ */
+/* $Log: /pjproject-0.3/pjlib/src/pj/os_timestamp_linux.c $
+ *
+ * 4 10/29/05 10:27p Bennylp
+ * Fixed misc warnings.
+ *
+ * 3 10/29/05 11:51a Bennylp
+ * Version 0.3-pre2.
+ *
+ * 2 9/21/05 1:39p Bennylp
+ * Periodic checkin for backup.
+ *
+ * 1 9/18/05 9:25p Bennylp
+ * Created.
+ *
+ */
+#include <pj/os.h>
+#include <pj/errno.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <ctype.h>
+
+#if defined(PJ_HAS_PENTIUM) && PJ_HAS_PENTIUM!=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 <sys/time.h>
+#include <errno.h>
+
+#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
+
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