/* * Copyright (C) 1994 by Tatsumi Hosokawa * * This software may be used, modified, copied, distributed, and sold, * in both source and binary form provided that the above copyright and * these terms are retained. Under no circumstances is the author * responsible for the proper functioning of this software, nor does * the author assume any responsibility for damages incurred with its * use. * * Sep., 1994 Implemented on FreeBSD 1.1.5.1R (Toshiba AVS001WD) */ #ifndef lint static const char rcsid[] = "$Id: apmconf.c,v 1.7 1997/09/02 06:37:48 charnier Exp $"; #endif /* not lint */ #include #include #include #include #include #include #include #include #define APMDEV "/dev/apm" static int enable = 0, disable = 0; static int haltcpu = 0, nothaltcpu = 0; static int main_argc; static char **main_argv; static void parse_option(void) { int i, option; enum {OPT_NONE, OPT_ENABLE, OPT_DISABLE, OPT_HALTCPU, OPT_NOTHALTCPU} mode; for (i = 1; i < main_argc; i++) { option = 0; mode = OPT_NONE; if (main_argv[i][0] == '-') { switch (main_argv[i][1]) { case 'e': mode = OPT_ENABLE; option = 0; break; case 'd': mode = OPT_DISABLE; option = 0; break; case 'h': mode = OPT_HALTCPU; option = 0; break; case 't': mode = OPT_NOTHALTCPU; option = 0; break; default: errx(1, "unknown option '%s'", main_argv[i]); } } if (option) { if (i == main_argc - 1) errx(1, "option '%s' needs arguments", main_argv[i]); optarg = main_argv[++i]; } switch (mode) { case OPT_ENABLE: enable = 1; break; case OPT_DISABLE: disable = 1; break; case OPT_HALTCPU: haltcpu = 1; break; case OPT_NOTHALTCPU: nothaltcpu = 1; break; case OPT_NONE: break; } } } static void enable_apm(int dh) { if (ioctl(dh, APMIO_ENABLE, NULL) == -1) errx(1, "can't ioctl APMIO_ENABLE"); } static void disable_apm(int dh) { if (ioctl(dh, APMIO_DISABLE, NULL) == -1) errx(1, "can't ioctl APMIO_DISABLE"); } static void haltcpu_apm(int dh) { if (ioctl(dh, APMIO_HALTCPU, NULL) == -1) errx(1, "can't ioctl APMIO_HALTCPU"); } static void nothaltcpu_apm(int dh) { if (ioctl(dh, APMIO_NOTHALTCPU, NULL) == -1) errx(1, "can't ioctl APMIO_NOTHALTCPU"); } int main(int argc, char *argv[]) { int dh; main_argc = argc; main_argv = argv; if ((dh = open(APMDEV, O_RDWR)) == -1) errx(1, "can't open '%s'", APMDEV); parse_option(); /* disable operation is executed first */ if (disable) { disable_apm(dh); } if (haltcpu) { haltcpu_apm(dh); } if (nothaltcpu) { nothaltcpu_apm(dh); } /* enable operation is executed last */ if (enable) { enable_apm(dh); } return 0; }