diff options
| author | Benny Prijono <bennylp@teluu.com> | 2005-11-21 01:55:47 +0000 |
|---|---|---|
| committer | Benny Prijono <bennylp@teluu.com> | 2005-11-21 01:55:47 +0000 |
| commit | 5f1de1bbb341ea1dc1d27d9bf35764b643ef904a (patch) | |
| tree | d18b0365b69b8b488a0b2b2bd715e9f14f77b505 /pjlib/include/pj/os.h | |
| parent | 9f4da35e676737f830a90a18de08440cf0f6cdf9 (diff) | |
Set svn:eol-style property
git-svn-id: http://svn.pjsip.org/repos/pjproject/trunk@65 74dad513-b988-da41-8d7b-12977e46ad98
Diffstat (limited to 'pjlib/include/pj/os.h')
| -rw-r--r-- | pjlib/include/pj/os.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/pjlib/include/pj/os.h b/pjlib/include/pj/os.h index 0c87cad8..edd5d1d4 100644 --- a/pjlib/include/pj/os.h +++ b/pjlib/include/pj/os.h @@ -866,6 +866,44 @@ PJ_DECL(pj_status_t) pj_get_timestamp(pj_timestamp *ts); PJ_DECL(pj_status_t) pj_get_timestamp_freq(pj_timestamp *freq);
/**
+ * Add timestamp t2 to t1.
+ * @param t1 t1.
+ * @param t2 t2.
+ */
+PJ_INLINE(void) pj_add_timestamp(pj_timestamp *t1, const pj_timestamp *t2)
+{
+#if PJ_HAS_INT64
+ t1->u64 += t2->u64;
+#else
+ pj_uint32_t old = t1->u32.lo;
+ t1->u32.hi += t2->u32.hi;
+ t1->u32.lo += t2->u32.lo;
+ if (t1->u32.lo < old)
+ ++t1->u32.hi;
+#endif
+}
+
+/**
+ * Substract timestamp t2 from t1.
+ * @param t1 t1.
+ * @param t2 t2.
+ */
+PJ_INLINE(void) pj_sub_timestamp(pj_timestamp *t1, const pj_timestamp *t2)
+{
+#if PJ_HAS_INT64
+ t1->u64 -= t2->u64;
+#else
+ t1->u32.hi -= t2->u32.hi;
+ if (t1->u32.lo >= t2->u32.lo)
+ t1->u32.lo -= t2->u32.lo;
+ else {
+ t1->u32.lo -= t2->u32.lo;
+ --t1->u32.hi;
+ }
+#endif
+}
+
+/**
* Calculate the elapsed time, and store it in pj_time_val.
* This function calculates the elapsed time using highest precision
* calculation that is available for current platform, considering
|