Changeset 5457 for pjproject

Timestamp:

Oct 10, 2016 8:20:54 AM (8 years ago)

Author:

nanang

Message:

Re #1961: Updated Android pj_gettimestamp() implementation to use ANDROID_ALARM_ELAPSED_REALTIME.

File:

• pjproject/trunk/pjlib/src/pj/os_timestamp_posix.c (modified) (2 diffs)

pjproject/trunk/pjlib/src/pj/os_timestamp_posix.c

@@ -162 +162 @@
 
 #elif defined(__ANDROID__)
-#include <errno.h>
-#include <time.h>
-
-#if !defined(CLOCK_BOOTTIME)
-#  include <linux/android_alarm.h>
-#  include <fcntl.h>
-#endif
+
+#include <errno.h>
+#include <linux/android_alarm.h>
+#include <fcntl.h>
 
 #define NSEC_PER_SEC    1000000000
 
+static int s_alarm_fd = -1;
+
+void close_alarm_fd()
+{
+    if (s_alarm_fd != -1)
+        close(s_alarm_fd);
+    s_alarm_fd = -1;
+}
+
 PJ_DEF(pj_status_t) pj_get_timestamp(pj_timestamp *ts)
 {
     struct timespec tp;
 
-#if defined(CLOCK_BOOTTIME)
-    /* Use CLOCK_BOOTTIME if supported */
-    if (clock_gettime(CLOCK_BOOTTIME, &tp) != 0) {
-        return PJ_RETURN_OS_ERROR(pj_get_native_os_error());
-    }
-#else
-    /* For older NDK version, use ANDROID_ALARM_ELAPSED_REALTIME */
-    static int s_fd = -1;
-
-    if (s_fd == -1) {
+    if (s_alarm_fd == -1) {
         int fd = open("/dev/alarm", O_RDONLY);
         if (fd >= 0) {
-            s_fd = fd;
-            //close(fd);
+            s_alarm_fd = fd;
+            pj_atexit(&close_alarm_fd);
         } else {
             return PJ_RETURN_OS_ERROR(pj_get_native_os_error());                
         }
     }
-    int err = ioctl(s_fd,
+    int err = ioctl(s_alarm_fd,
             ANDROID_ALARM_GET_TIME(ANDROID_ALARM_ELAPSED_REALTIME), &tp);
 
@@ -200 +197 @@
         return PJ_RETURN_OS_ERROR(pj_get_native_os_error());
     }
-#endif
 
     ts->u64 = tp.tv_sec;