nmi.h

这是一个SIGMA方案的PMP播放器的UCLINUX程序,可播放DVD,VCD,CD MP3...有很好的参考价值.

/*
 *  linux/include/linux/nmi.h
 */
#ifndef LINUX_NMI_H
#define LINUX_NMI_H

#include <asm/irq.h>

/**
 * touch_nmi_watchdog - restart NMI watchdog timeout.
 * 
 * If the architecture supports the NMI watchdog, touch_nmi_watchdog()
 * may be used to reset the timeout - for code which intentionally
 * disables interrupts for a long time. This call is stateless.
 */
#ifdef ARCH_HAS_NMI_WATCHDOG
extern void touch_nmi_watchdog(void);
#else
# define touch_nmi_watchdog() do { } while(0)
#endif

#endif