From: Ben Gras <ben@minix3.org>
Date: Thu, 11 Dec 2008 14:23:58 +0000 (+0000)
Subject:  . print kernel stacktrace unconditionally on panic
X-Git-Tag: v3.1.4~204
X-Git-Url: http://zhaoyanbai.com/repos/man.isc-hmac-fixup.html?a=commitdiff_plain;h=9d096e014bc12fa64a984f0a3d0111396ba3ab22;p=minix.git

 . print kernel stacktrace unconditionally on panic
 . provide a panic() in the kernel for if a library function wants to panic
---

diff --git a/kernel/utility.c b/kernel/utility.c
index b7377b1cc..9998067dd 100755
--- a/kernel/utility.c
+++ b/kernel/utility.c
@@ -14,6 +14,21 @@
 #include <minix/sysutil.h>
 #include <minix/sys_config.h>
 
+/*===========================================================================*
+ *			panic                                        *
+ *===========================================================================*/
+PUBLIC void panic(what, mess,nr)
+char *what;
+char *mess;
+int nr;
+{
+/* This function is for when a library call wants to panic.
+ * The library call calls printf() and tries to exit a process,
+ * which isn't applicable in the kernel.
+ */
+	minix_panic(mess, nr);
+}
+
 /*===========================================================================*
  *			minix_panic                                        *
  *===========================================================================*/
@@ -29,10 +44,11 @@ int nr;
 	if(nr != NO_NUM)
 		kprintf(" %d", nr);
 	kprintf("\n");
-	kprintf("kernel stacktrace: ");
-	util_stacktrace();
   }
 
+  kprintf("kernel stacktrace: ");
+  util_stacktrace();
+
   /* Abort MINIX. */
   minix_shutdown(NULL);
 }