From: Ben Gras <ben@minix3.org>
Date: Fri, 23 Feb 2007 12:55:29 +0000 (+0000)
Subject: If a process does sys_kill on SELF (such as in panic() of servers and drivers
X-Git-Tag: v3.1.3~60
X-Git-Url: http://zhaoyanbai.com/repos/Bv9ARM.ch12.html?a=commitdiff_plain;h=a9f2f36f46e16ae2fb58c62ac4aa240566f863a2;p=minix.git

If a process does sys_kill on SELF (such as in panic() of servers and drivers
if a PM exit fails, until they are compiled with the new panic() function that
is), don't reply to it as the endpoint has been cleared.
---

diff --git a/kernel/system/do_kill.c b/kernel/system/do_kill.c
index 289bcc099..e102bed2f 100644
--- a/kernel/system/do_kill.c
+++ b/kernel/system/do_kill.c
@@ -41,8 +41,11 @@ message *m_ptr;			/* pointer to request message */
 
   /* Set pending signal to be processed by the PM. */
   cause_sig(proc_nr, sig_nr);
-  if (sig_nr == SIGKILL)
+  if (sig_nr == SIGKILL) {
 	clear_endpoint(proc_addr(proc_nr));
+	if(m_ptr->SIG_ENDPT == SELF)
+		return EDONTREPLY;
+  }
   return(OK);
 }