reboot C 코드

# Copyright (C) Information Equipment co.,LTD
# All rights reserved.
# Code by JaeHyuk Cho <mailto:minzkn@infoeq.com>
# CVSTAG="$Header: /usr/local/mutihost/joinc/modules/moniwiki/data/text/RCS/Code_2fC_2freboot,v 1.1 2007/01/09 02:46:10 root Exp root $"

# bash$ make TARGET_ARCH=i386 all
# bash$ make TARGET_ARCH=mips all
# bash$ make TARGET_ARCH=ppc all
# bash$ make TARGET_ARCH=arm all

TARGET_ARCH                  :=i386
# TARGET_ARCH                  :=mips
# TARGET_ARCH                  :=ppc
# TARGET_ARCH                  :=arm

ifeq ($(findstring mips,$(TARGET_ARCH)),mips)
 CROSS_COMPILE               :=/opt/kenati/bin/lx4189-uclibc-#
else
 ifeq ($(findstring ppc,$(TARGET_ARCH)),ppc)
  CROSS_COMPILE              :=/opt/hardhat/devkit/ppc/405/bin/ppc_405-#
 else
  ifeq ($(findstring arm,$(TARGET_ARCH)),arm)
   CROSS_COMPILE             :=/usr/local/arm-linux/bin/arm-linux-#
  else
   ifeq ($(findstring i386,$(TARGET_ARCH)),i386)
    CROSS_COMPILE            :=#
   else
    CROSS_COMPILE            :=#
   endif
  endif
 endif
endif

CC                           := $(CROSS_COMPILE)gcc
RM                           := rm -f

CFLAGS                       := -O2 -Wall -Werror -fomit-frame-pointer -pipe -I. -D_REENTRANT
LDFLAGS                      := -s

TARGET                       := mzreboot mzpoweroff

OBJECT_mzreboot              := reboot.o
OBJECT_mzpoweroff            := poweroff.o

OBJECTS                      := $(OBJECT_mzreboot) $(OBJECT_mzpoweroff)

.PHONY: all clean

all: $(TARGET)
clean: ; $(RM) *.o $(TARGET)

$(OBJECTS): Makefile shutdown.h

mzreboot: $(OBJECT_mzreboot) ; $(CC) $(LDFLAGS) -o $(@) $(^)
mzpoweroff: $(OBJECT_mzpoweroff) ; $(CC) $(LDFLAGS) -o $(@) $(^)

%.o: %.c ; $(CC) $(CFLAGS) -c -o $(@) $(<)

# End of Makefile

/* 
  Copyright (C) Information Equipment co.,LTD 
  All rights reserved. 
  Code by JaeHyuk Cho <mailto:minzkn@infoeq.com> 
  CVSTAG="$Header: /usr/local/mutihost/joinc/modules/moniwiki/data/text/RCS/Code_2fC_2freboot,v 1.1 2007/01/09 02:46:10 root Exp root $" 
*/ 

#if !defined(__def_mz_shutdown_h__) 
#define __def_mz_shutdown_h__ "shutdown.h" 

#include <sys/reboot.h> 
#include <stdio.h> 
#include <stdlib.h> 
#include <unistd.h> 
#include <signal.h> 

#if (__GNU_LIBRARY__ > 5) || defined(__dietlibc__) 
# define __mz_reboot_syscall__(m_flag) do{ (void)reboot(m_flag); }while(0) 
#else 
# define __mz_reboot_syscall__(m_flag) do{ (void)reboot(0xfee1dead,672274793,m_flag); }while(0) 
#endif 

#define __mz_reboot_block_signal__() do{\ 
 (void)signal(SIGINT, SIG_IGN);\ 
 (void)signal(SIGTERM, SIG_IGN);\ 
 (void)signal(SIGHUP, SIG_IGN);\ 
}while(0) 

#define __mz_reboot_stop_process__() do{\ 
 (void)setpgrp();\ 
 __mz_reboot_syscall__(RB_ENABLE_CAD);\ 
 (void)sync();\ 
 (void)kill((pid_t)1, SIGTERM);\ 
 (void)sleep(1u);\ 
 (void)system("/sbin/initctl -r");\ 
 (void)sync();\ 
 (void)fputs("Sending SIGTERM to all processes.\n", stderr);\ 
 (void)kill((pid_t)(-1), SIGTERM);\ 
 (void)sleep(2u);\ 
 (void)kill((pid_t)(-1), SIGKILL);\ 
 (void)kill((pid_t)1, SIGQUIT);\ 
 (void)sleep((unsigned int)1);\ 
 (void)sync();\ 
}while(0) 

#define __mz_reboot_swap_off__() do{ /* TODO */ }while(0) 
#define __mz_reboot_unmount__() do{ /* TODO */ }while(0) 

#define __mz_reboot__() do{\ 
 __mz_reboot_block_signal__();\ 
 __mz_reboot_stop_process__();\ 
 __mz_reboot_swap_off__();\ 
 __mz_reboot_unmount__();\ 
 __mz_reboot_syscall__(RB_AUTOBOOT);\ 
 (void)fputs("ERROR: reboot systemcall !\n", stderr);\ 
}while(0) 

#define __mz_poweroff__() do{\ 
 __mz_reboot_block_signal__();\ 
 __mz_reboot_stop_process__();\ 
 __mz_reboot_swap_off__();\ 
 __mz_reboot_unmount__();\ 
 __mz_reboot_syscall__(RB_POWER_OFF);\ 
 (void)fputs("ERROR: reboot systemcall !\n", stderr);\ 
}while(0) 

int main(void) 
{ 
#if 0
 __mz_poweroff__();
#else
 __mz_reboot__(); 
#endif
 return(1); 
} 

#endif 

/* vim: set expandtab: */ 
/* End of source */