Bring over support for retrying metadata cache entry loads, along with all the

supporting metadata cache callback changes, etc.

1 files changed, 81 insertions, 0 deletions

diff --git a/src/H5system.c b/src/H5system.c
index ab08d2c..5205d08 100644
--- a/src/H5system.c
+++ b/src/H5system.c
@@ -911,6 +911,27 @@ Wflock(int fd, int operation) {
     return 0;
 } /* end Wflock() */
 
+
+ /*--------------------------------------------------------------------------
+  * Function:    Wnanosleep
+  *
+  * Purpose:     Sleep for a given # of nanoseconds (Windows version)
+  *
+  * Return:      SUCCEED/FAIL
+  *
+  * Programmer:  Dana Robinson
+  *              Fall 2016
+  *--------------------------------------------------------------------------
+  */
+void
+Wnanosleep(uint64_t nanosec)
+{
+    /* XXX: Currently just a placeholder */
+    FUNC_ENTER_NOAPI_NOINIT_NOERR
+
+    FUNC_LEAVE_NOAPI_VOID
+} /* end Wnanosleep() */
+
 #endif /* H5_HAVE_WIN32_API */
 
 
@@ -1108,3 +1129,63 @@ done:
     FUNC_LEAVE_NOAPI(ret_value)
 } /* end H5_combine_path() */
 
+
+/*--------------------------------------------------------------------------
+ * Function:    H5_nanosleep
+ *
+ * Purpose:     Sleep for a given # of nanoseconds
+ *
+ * Return:      SUCCEED/FAIL
+ *
+ * Programmer:  Quincey Koziol
+ *              October 01, 2016
+ *--------------------------------------------------------------------------
+ */
+void
+H5_nanosleep(uint64_t nanosec)
+{
+    struct timespec sleeptime;  /* Struct to hold time to sleep */
+
+    FUNC_ENTER_NOAPI_NOINIT_NOERR
+
+    /* Set up time to sleep */
+    sleeptime.tv_sec = 0;
+    sleeptime.tv_nsec = (long)nanosec;
+
+    HDnanosleep(&sleeptime, NULL);
+
+    FUNC_LEAVE_NOAPI_VOID
+} /* end H5_nanosleep() */
+
+
+/*--------------------------------------------------------------------------
+ * Function:    H5_get_time
+ *
+ * Purpose:     Get the current time, as the time of seconds after the UNIX epoch
+ *
+ * Return:      SUCCEED/FAIL
+ *
+ * Programmer:  Quincey Koziol
+ *              October 05, 2016
+ *--------------------------------------------------------------------------
+ */
+double
+H5_get_time(void)
+{
+#ifdef H5_HAVE_GETTIMEOFDAY
+    struct timeval curr_time;
+#endif /* H5_HAVE_GETTIMEOFDAY */
+    double ret_value = (double)0.0f;
+
+    FUNC_ENTER_NOAPI_NOINIT_NOERR
+
+#ifdef H5_HAVE_GETTIMEOFDAY
+    HDgettimeofday(&curr_time, NULL);
+
+    ret_value = (double)curr_time.tv_sec + ((double)curr_time.tv_usec / (double)1000000.0f);
+#endif /* H5_HAVE_GETTIMEOFDAY */
+
+    FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5_get_time() */
+
+