62 lines
1.3 KiB
C
62 lines
1.3 KiB
C
/*
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* blantantly copied from linux/kernel/printk.c
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*
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* Copyright (C) 1991, 1992 Linus Torvalds
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*
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*/
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#ifndef lint
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static char rcsid[] = "$Id$";
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#endif
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//typedef void * va_list;
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#include <stdarg.h>
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#include <smp/spinlock.h>
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char log_buf[1024];
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/* printk's without a loglevel use this.. */
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#define DEFAULT_MESSAGE_LOGLEVEL 4 /* BIOS_WARNING */
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/* We show everything that is MORE important than this.. */
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#define MINIMUM_CONSOLE_LOGLEVEL 1 /* Minimum loglevel we let people use */
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#ifndef DEFAULT_CONSOLE_LOGLEVEL
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#define DEFAULT_CONSOLE_LOGLEVEL 8 /* anything MORE serious than BIOS_SPEW */
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#endif
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/* Keep together for sysctl support */
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int console_loglevel = DEFAULT_CONSOLE_LOGLEVEL;
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int default_message_loglevel = DEFAULT_MESSAGE_LOGLEVEL;
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int minimum_console_loglevel = MINIMUM_CONSOLE_LOGLEVEL;
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int default_console_loglevel = DEFAULT_CONSOLE_LOGLEVEL;
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void display(char*);
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extern int vsprintf(char *buf, const char *, va_list);
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spinlock_t console_lock = SPIN_LOCK_UNLOCKED;
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int do_printk(int msg_level, const char *fmt, ...)
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{
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va_list args;
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int i;
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if (msg_level >= console_loglevel) {
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return 0;
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}
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spin_lock(&console_lock);
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va_start(args, fmt);
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i = vsprintf(log_buf, fmt, args); /* hopefully i < sizeof(log_buf)-4 */
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va_end(args);
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display(log_buf);
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spin_unlock(&console_lock);
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return i;
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}
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