[tor-commits] [tor/master] If hProcess is NULL, read_all_handle returns if it would block

[nickm@xxxxxxxxxxxxxx]

commit c5796a8fb2fc70085c771d6296d4f29a7ddb68ae
Author: Steven Murdoch <Steven.Murdoch@xxxxxxxxxxxx>
Date:   Sat Jul 23 21:35:50 2011 +0100

    If hProcess is NULL, read_all_handle returns if it would block
---
 src/common/util.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/common/util.c b/src/common/util.c
index 31d5586..2691b1f 100644
--- a/src/common/util.c
+++ b/src/common/util.c
@@ -3304,12 +3304,12 @@ read_all_handle(HANDLE h, char *buf, size_t count, HANDLE hProcess)
         "Failed to peek from handle: %s",
         format_win32_error(GetLastError()));
       return -1;
-    } else if (0 == byte_count) {
+    } else if (0 == byte_count) 
       /* Nothing available: process exited or it is busy */
 
-      /* Keep on reading if we don't know whether the process is running */
+      /* Exit if we don't know whether the process is running */
       if (NULL == hProcess)
-        continue;
+        break;
 
       /* The process exited and there's nothing left to read from it */
       if (process_exited)



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