lkml.org 
[lkml]   [2007]   [Jun]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[PATCH 6/7] Add pr_debug_pid to kernel.h
This patch adds a new function to kernel.h. This function prints out the
pid of the current process and the name of the function where it was
called from followed by the debug message and a newline.

This function mimics the output of autofs4.

Signed-off-by: Jack Stone <jack@hawkeye.stone.uk.eu.org>
---
Index: linux/include/linux/kernel.h
===================================================================
--- linux.orig/include/linux/kernel.h
+++ linux/include/linux/kernel.h
@@ -228,6 +228,8 @@ extern void print_hex_dump(const char *l
/* If you are writing a driver, please use dev_dbg instead */
#define pr_debug(fmt,arg...) \
printk(KERN_DEBUG fmt,##arg)
+#define pr_debug_pid(fmt,arg...) \
+ printk(KERN_DEBUG "pid %d: %s: " fmt "\n" , current->pid ,
__FUNCTION__, ##args)
#define pr_err(fmt,arg...) \
printk(KERN_ERR fmt,##arg)
#else
@@ -236,6 +238,11 @@ static inline int __attribute__ ((format
return 0;
}

+static inline int __attribute__ ((format (printf, 1, 2)))
pr_debug_pid(const char * fmt, ...)
+{
+ return 0;
+}
+
static inline int __attribute__ ((format (printf, 1, 2))) pr_err(const
char * fmt, ...)
{
return 0;

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-06-09 10:21    [from the cache]
©2003-2011 Jasper Spaans