Applying license to pjproject

git-svn-id: http://svn.pjsip.org/repos/pjproject/trunk@49 74dad513-b988-da41-8d7b-12977e46ad98

1 files changed, 140 insertions, 119 deletions

diff --git a/pjlib/src/pj/os_timestamp_common.c b/pjlib/src/pj/os_timestamp_common.c
index f9824d59..ddba4cf9 100644
--- a/pjlib/src/pj/os_timestamp_common.c
+++ b/pjlib/src/pj/os_timestamp_common.c
@@ -1,119 +1,140 @@
-/* $Id$
- */
-#include <pj/os.h>
-#include <pj/compat/high_precision.h>
-
-#if defined(PJ_HAS_HIGH_RES_TIMER) && PJ_HAS_HIGH_RES_TIMER != 0
-
-#define U32MAX  (0xFFFFFFFFUL)
-#define NANOSEC (1000000000UL)
-#define USEC    (1000000UL)
-#define MSEC    (1000)
-
-static pj_highprec_t get_elapsed( const pj_timestamp *start,
-                                  const pj_timestamp *stop )
-{
-    pj_highprec_t elapsed_hi, elapsed_lo;
-
-    elapsed_hi = stop->u32.hi - start->u32.hi;
-    elapsed_lo = stop->u32.lo - start->u32.lo;
-
-    /* elapsed_hi = elapsed_hi * U32MAX */
-    pj_highprec_mul(elapsed_hi, U32MAX);
-
-    return elapsed_hi + elapsed_lo;
-}
-
-static pj_highprec_t elapsed_usec( const pj_timestamp *start,
-                                   const pj_timestamp *stop )
-{
-    pj_timestamp ts_freq;
-    pj_highprec_t freq, elapsed;
-
-    if (pj_get_timestamp_freq(&ts_freq) != PJ_SUCCESS)
-        return 0;
-
-    /* Convert frequency timestamp */
-    freq = ts_freq.u32.hi;
-    pj_highprec_mul(freq, U32MAX);
-    freq += ts_freq.u32.lo;
-
-    /* Avoid division by zero. */
-    if (freq == 0) freq = 1;
-
-    /* Get elapsed time in cycles. */
-    elapsed = get_elapsed(start, stop);
-
-    /* usec = elapsed * USEC / freq */
-    pj_highprec_mul(elapsed, USEC);
-    pj_highprec_div(elapsed, freq);
-
-    return elapsed;
-}
-
-PJ_DEF(pj_uint32_t) pj_elapsed_nanosec( const pj_timestamp *start,
-                                        const pj_timestamp *stop )
-{
-    pj_timestamp ts_freq;
-    pj_highprec_t freq, elapsed;
-
-    if (pj_get_timestamp_freq(&ts_freq) != PJ_SUCCESS)
-        return 0;
-
-    /* Convert frequency timestamp */
-    freq = ts_freq.u32.hi;
-    pj_highprec_mul(freq, U32MAX);
-    freq += ts_freq.u32.lo;
-
-    /* Avoid division by zero. */
-    if (freq == 0) freq = 1;
-
-    /* Get elapsed time in cycles. */
-    elapsed = get_elapsed(start, stop);
-
-    /* usec = elapsed * USEC / freq */
-    pj_highprec_mul(elapsed, NANOSEC);
-    pj_highprec_div(elapsed, freq);
-
-    return (pj_uint32_t)elapsed;
-}
-
-PJ_DEF(pj_uint32_t) pj_elapsed_usec( const pj_timestamp *start,
-                                     const pj_timestamp *stop )
-{
-    return (pj_uint32_t)elapsed_usec(start, stop);
-}
-
-PJ_DEF(pj_time_val) pj_elapsed_time( const pj_timestamp *start,
-                                     const pj_timestamp *stop )
-{
-    pj_highprec_t elapsed = elapsed_usec(start, stop);
-    pj_time_val tv_elapsed;
-
-    if (PJ_HIGHPREC_VALUE_IS_ZERO(elapsed)) {
-        tv_elapsed.sec = tv_elapsed.msec = 0;
-        return tv_elapsed;
-    } else {
-        pj_highprec_t sec, msec;
-
-        sec = elapsed;
-        pj_highprec_div(sec, USEC);
-        tv_elapsed.sec = (long)sec;
-
-        msec = elapsed;
-        pj_highprec_mod(msec, USEC);
-        pj_highprec_div(msec, 1000);
-        tv_elapsed.msec = (long)msec;
-
-        return tv_elapsed;
-    }
-}
-
-PJ_DEF(pj_uint32_t) pj_elapsed_cycle( const pj_timestamp *start,
-                                      const pj_timestamp *stop )
-{
-    return stop->u32.lo - start->u32.lo;
-}
-
-#endif  /* PJ_HAS_HIGH_RES_TIMER */
-
+/* $Id$

+ */

+/* 

+ * PJLIB - PJ Foundation Library

+ * (C)2003-2005 Benny Prijono <bennylp@bulukucing.org>

+ *

+ * Author:

+ *  Benny Prijono <bennylp@bulukucing.org>

+ *

+ * 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; either

+ * version 2.1 of the License, or (at your option) any later version.

+ * 

+ * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

+ */

+#include <pj/os.h>

+#include <pj/compat/high_precision.h>

+

+#if defined(PJ_HAS_HIGH_RES_TIMER) && PJ_HAS_HIGH_RES_TIMER != 0

+

+#define U32MAX  (0xFFFFFFFFUL)

+#define NANOSEC (1000000000UL)

+#define USEC    (1000000UL)

+#define MSEC    (1000)

+

+static pj_highprec_t get_elapsed( const pj_timestamp *start,

+                                  const pj_timestamp *stop )

+{

+    pj_highprec_t elapsed_hi, elapsed_lo;

+

+    elapsed_hi = stop->u32.hi - start->u32.hi;

+    elapsed_lo = stop->u32.lo - start->u32.lo;

+

+    /* elapsed_hi = elapsed_hi * U32MAX */

+    pj_highprec_mul(elapsed_hi, U32MAX);

+

+    return elapsed_hi + elapsed_lo;

+}

+

+static pj_highprec_t elapsed_usec( const pj_timestamp *start,

+                                   const pj_timestamp *stop )

+{

+    pj_timestamp ts_freq;

+    pj_highprec_t freq, elapsed;

+

+    if (pj_get_timestamp_freq(&ts_freq) != PJ_SUCCESS)

+        return 0;

+

+    /* Convert frequency timestamp */

+    freq = ts_freq.u32.hi;

+    pj_highprec_mul(freq, U32MAX);

+    freq += ts_freq.u32.lo;

+

+    /* Avoid division by zero. */

+    if (freq == 0) freq = 1;

+

+    /* Get elapsed time in cycles. */

+    elapsed = get_elapsed(start, stop);

+

+    /* usec = elapsed * USEC / freq */

+    pj_highprec_mul(elapsed, USEC);

+    pj_highprec_div(elapsed, freq);

+

+    return elapsed;

+}

+

+PJ_DEF(pj_uint32_t) pj_elapsed_nanosec( const pj_timestamp *start,

+                                        const pj_timestamp *stop )

+{

+    pj_timestamp ts_freq;

+    pj_highprec_t freq, elapsed;

+

+    if (pj_get_timestamp_freq(&ts_freq) != PJ_SUCCESS)

+        return 0;

+

+    /* Convert frequency timestamp */

+    freq = ts_freq.u32.hi;

+    pj_highprec_mul(freq, U32MAX);

+    freq += ts_freq.u32.lo;

+

+    /* Avoid division by zero. */

+    if (freq == 0) freq = 1;

+

+    /* Get elapsed time in cycles. */

+    elapsed = get_elapsed(start, stop);

+

+    /* usec = elapsed * USEC / freq */

+    pj_highprec_mul(elapsed, NANOSEC);

+    pj_highprec_div(elapsed, freq);

+

+    return (pj_uint32_t)elapsed;

+}

+

+PJ_DEF(pj_uint32_t) pj_elapsed_usec( const pj_timestamp *start,

+                                     const pj_timestamp *stop )

+{

+    return (pj_uint32_t)elapsed_usec(start, stop);

+}

+

+PJ_DEF(pj_time_val) pj_elapsed_time( const pj_timestamp *start,

+                                     const pj_timestamp *stop )

+{

+    pj_highprec_t elapsed = elapsed_usec(start, stop);

+    pj_time_val tv_elapsed;

+

+    if (PJ_HIGHPREC_VALUE_IS_ZERO(elapsed)) {

+        tv_elapsed.sec = tv_elapsed.msec = 0;

+        return tv_elapsed;

+    } else {

+        pj_highprec_t sec, msec;

+

+        sec = elapsed;

+        pj_highprec_div(sec, USEC);

+        tv_elapsed.sec = (long)sec;

+

+        msec = elapsed;

+        pj_highprec_mod(msec, USEC);

+        pj_highprec_div(msec, 1000);

+        tv_elapsed.msec = (long)msec;

+

+        return tv_elapsed;

+    }

+}

+

+PJ_DEF(pj_uint32_t) pj_elapsed_cycle( const pj_timestamp *start,

+                                      const pj_timestamp *stop )

+{

+    return stop->u32.lo - start->u32.lo;

+}

+

+#endif  /* PJ_HAS_HIGH_RES_TIMER */

+