* thread.cc (semaphore::_getvalue): Set *sval as appropriate. Set errno and

return -1 on error.
2013-09-25 14:44:45 +00:00
parent 31fb5c6433
commit 1dc2c177f4
3 changed files with 19 additions and 3 deletions
--- a/winsup/cygwin/thread.cc
+++ b/winsup/cygwin/thread.cc
@@ -3443,9 +3443,19 @@ semaphore::_getvalue (int *sval)

  status = NtQuerySemaphore (win32_obj_id, SemaphoreBasicInformation, &sbi,
 			     sizeof sbi, NULL);
+  int res;
  if (NT_SUCCESS (status))
-    return sbi.CurrentCount;
-  return startvalue;
+    {
+      *sval = sbi.CurrentCount;
+      res = 0;
+    }
+  else
+    {
+      *sval = startvalue;
+      __seterrno_from_nt_status (status);
+      res = -1;
+    }
+  return res;
 }

 int