bug#8938: make timeout and CTRL-C

[Pádraig Brady]

On 07/07/11 11:05, Pádraig Brady wrote:
> On 06/07/11 23:37, Pádraig Brady wrote:
>> OK I've added --foreground to support this.
>> Note it still maintains a separate timeout
>> monitor process to return 124 on timeout etc.
> 
> Updated wording and NEWS entry now included.
> I'll push this later today.

I'm also thinking of pushing this as a separate patch,
which will set WIFSIGNALED for the timeout process itself.
This will make timeout more transparent and when doing
Ctrl-C from make for example, printing "[target] Interrupt"
rather than "[target] Error 130".

diff --git a/src/timeout.c b/src/timeout.c
index a686225..ea4af18 100644
--- a/src/timeout.c
+++ b/src/timeout.c
@@ -341,7 +361,19 @@ main (int argc, char **argv)
           if (WIFEXITED (status))
             status = WEXITSTATUS (status);
           else if (WIFSIGNALED (status))
-            status = WTERMSIG (status) + 128; /* what sh does at least.  */
+            {
+              int sig = WTERMSIG (status);
+              if (!timed_out)
+                {
+                  /* exit with the signal flag set, but avoid core files.  */
+                  if (setrlimit (RLIMIT_CORE, &(struct rlimit) {0,0}) == 0)
+                    {
+                      signal (sig, SIG_DFL);
+                      raise (sig);
+                    }
+                }
+              status = sig + 128; /* what sh returns for signaled processes.  
*/
+            }