From: Ian Lynagh <igloo@earth.li>
Date: Wed, 27 Sep 2006 23:46:30 +0000 (+0000)
Subject: Handle clock_gettime failing
X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=commitdiff_plain;h=b214419d68962f9979fb3ddd22150a8a25960be5

Handle clock_gettime failing
---

diff --git a/rts/posix/GetTime.c b/rts/posix/GetTime.c
index 0e591ef..a2d9a31 100644
--- a/rts/posix/GetTime.c
+++ b/rts/posix/GetTime.c
@@ -44,7 +44,7 @@ Ticks getProcessCPUTime(void)
 {
     struct rusage t;
     getrusage(RUSAGE_SELF, &t);
-    return ((Ticks)t.ru_utime.tv_sec * TICKS_PER_SECOND + 
+    return ((Ticks)t.ru_utime.tv_sec * TICKS_PER_SECOND +
 	    ((Ticks)t.ru_utime.tv_usec * TICKS_PER_SECOND)/1000000);
 }
 
@@ -119,12 +119,14 @@ Ticks getThreadCPUTime(void)
     // clock_gettime() gives us per-thread CPU time.  It isn't
     // reliable on Linux, but it's the best we have.
     struct timespec ts;
-    clock_gettime(CLOCK_THREAD_CPUTIME_ID, &ts);
-    return ((Ticks)ts.tv_sec * TICKS_PER_SECOND + 
-	    ((Ticks)ts.tv_nsec * TICKS_PER_SECOND) / 1000000000);
-#else
-    return getProcessCPUTime();
+    int res;
+    res = clock_gettime(CLOCK_THREAD_CPUTIME_ID, &ts);
+    if (res == 0) {
+        return ((Ticks)ts.tv_sec * TICKS_PER_SECOND +
+                ((Ticks)ts.tv_nsec * TICKS_PER_SECOND) / 1000000000);
+    }
 #endif
+    return getProcessCPUTime();
 }
 
 nat