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authorRoland McGrath <roland@gnu.org>1999-04-27 01:26:54 +0000
committerRoland McGrath <roland@gnu.org>1999-04-27 01:26:54 +0000
commit20d138126f0e4a51012406a7b8695dc82d5a57b1 (patch)
tree662a89b2530543aeb5263a6c661edeee7d589fba /hurd/hurdexec.c
parentd8aaef00a787dc18ce87e4c6448615095d511239 (diff)
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1999-04-27 Roland McGrath <roland@baalperazim.frob.com>
* hurd/hurdexec.c (_hurd_exec): If SIGKILL present in _hurdsig_traced 
set, pass EXEC_SIGTRAP flag in exec RPC.
Diffstat (limited to 'hurd/hurdexec.c')
-rw-r--r--hurd/hurdexec.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/hurd/hurdexec.c b/hurd/hurdexec.c
index 2a283563b8..18ad9ef38d 100644
--- a/hurd/hurdexec.c
+++ b/hurd/hurdexec.c
@@ -189,6 +189,8 @@ _hurd_exec (task_t task, file_t file,
   /* The information is all set up now.  Try to exec the file.  */
 
   {
+    int flags;
+
     if (pdp)
       {
 	/* Request the exec server to deallocate some ports from us if the exec
@@ -204,7 +206,15 @@ _hurd_exec (task_t task, file_t file,
 	  *pdp++ = dtable[i];
       }
 
-    err = __file_exec (file, task, 0,
+    flags = 0;
+#ifdef EXEC_SIGTRAP
+    /* PTRACE_TRACEME sets all bits in _hurdsig_traced, which is propagated
+       through exec by INIT_TRACEMASK, so this checks if PTRACE_TRACEME has
+       been called in this process in any of its current or prior lives.  */
+    if (__sigismember (&_hurdsig_traced, SIGKILL))
+      flags |= EXEC_SIGTRAP;
+#endif
+    err = __file_exec (file, task, flags,
 		       args, argslen, env, envlen,
 		       dtable, MACH_MSG_TYPE_COPY_SEND, dtablesize,
 		       ports, MACH_MSG_TYPE_COPY_SEND, _hurd_nports,