?? setlevel.c
字號(hào):
/* * setlevel.c -- choose a console_loglevel for the kernel * * Copyright (C) 1998,2000,2001 Alessandro Rubini * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. */#include <stdio.h>#include <stdlib.h>#include <string.h>#include <errno.h>/* #include <unistd.h> */ /* conflicting on the alpha */#define __LIBRARY__ /* _syscall3 and friends are only available through this */#include <linux/unistd.h>/* define the system call, to override the library function */_syscall3(int, syslog, int, type, char *, bufp, int, len);int main(int argc, char **argv){ int level; if (argc==2) { level = atoi(argv[1]); /* the chosen console */ } else { fprintf(stderr, "%s: need a single arg\n",argv[0]); exit(1); } if (syslog(8,NULL,level) < 0) { fprintf(stderr,"%s: syslog(setlevel): %s\n", argv[0],strerror(errno)); exit(1); } exit(0);}
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