X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=bertos%2Fkern%2Fmonitor.c;h=edcf7776d9549277bf0aae4af9b7812dee372070;hb=3cc8fa07f5fcc55e14e0be8e227642c62c8c3ccd;hp=26e2025b514dab010ec961ae298d0567a3892f5e;hpb=570a53d354d611597f9d422dfbb47a609e788204;p=bertos.git

diff --git a/bertos/kern/monitor.c b/bertos/kern/monitor.c
index 26e2025b..edcf7776 100644
--- a/bertos/kern/monitor.c
+++ b/bertos/kern/monitor.c
@@ -42,18 +42,20 @@
 #if CONFIG_KERN_MONITOR
 
 #include "proc_p.h"
+#include <cfg/macros.h>
+#include <cfg/debug.h>
+
 #include <struct/list.h>
+
 #include <drv/timer.h>
+
 #include <kern/proc.h>
-#include <cpu/frame.h> /* CPU_STACK_GROWS_UPWARD */
-#include <cfg/macros.h>
-#include <cfg/debug.h>
 
+#include <cpu/frame.h> /* CPU_STACK_GROWS_UPWARD */
 
 /* Access to this list must be protected against the scheduler */
 static List MonitorProcs;
 
-
 void monitor_init(void)
 {
 	LIST_INIT(&MonitorProcs);
@@ -116,12 +118,12 @@ void monitor_report(void)
 	Node *node;
 	int i;
 
+	proc_forbid();
 	kprintf("%-9s%-9s%-9s%-9s%s\n", "TCB", "SPbase", "SPsize", "SPfree", "Name");
 	for (i = 0; i < 56; i++)
 		kputchar('-');
 	kputchar('\n');
 
-	proc_forbid();
 	FOREACH_NODE(node, &MonitorProcs)
 	{
 		Process *p = containerof(node, Process, monitor.link);
@@ -145,7 +147,7 @@ static void NORETURN monitor(void)
 			Process *p = containerof(node, Process, monitor.link);
 			size_t free = monitor_checkStack(p->stack_base, p->stack_size);
 
-			if (free < 0x20)
+			if (p->stack_base && free < 0x20)
 				kprintf("MONITOR: Free stack of process '%s' is only %u chars\n",
 						p->monitor.name, (unsigned int)free);
 		}