Index: uspace/Makefile =================================================================== --- uspace/Makefile (revision a949f4ae07227222cc7ff520baf64ebe6ef3d307) +++ uspace/Makefile (revision b79207da393cfae6971582319c3f7316a68c3f98) @@ -70,4 +70,5 @@ app/redir \ app/sbi \ + app/shutdown \ app/sportdmp \ app/stats \ Index: uspace/app/shutdown/Makefile =================================================================== --- uspace/app/shutdown/Makefile (revision b79207da393cfae6971582319c3f7316a68c3f98) +++ uspace/app/shutdown/Makefile (revision b79207da393cfae6971582319c3f7316a68c3f98) @@ -0,0 +1,35 @@ +# +# Copyright (c) 2019 Matthieu Riolo +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# - Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# - Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# - The name of the author may not be used to endorse or promote products +# derived from this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR +# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES +# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. +# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, +# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT +# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF +# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# + +USPACE_PREFIX = ../.. +BINARY = shutdown + +SOURCES = \ + shutdown.c + +include $(USPACE_PREFIX)/Makefile.common Index: uspace/app/shutdown/shutdown.c =================================================================== --- uspace/app/shutdown/shutdown.c (revision b79207da393cfae6971582319c3f7316a68c3f98) +++ uspace/app/shutdown/shutdown.c (revision b79207da393cfae6971582319c3f7316a68c3f98) @@ -0,0 +1,130 @@ +/* + * Copyright (c) 2019 Matthieu Riolo + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * - The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include +#include +#include +#include +#include +#include +#include + +const char *APP_NAME = "shutdown"; + +static void help() +{ + printf("%s [options]\n\n", APP_NAME); + printf("Shutdowns the system by rebooting or halting the system\n"); + printf("Already launched shutdowns can be canceled!\n\n"); + + printf("-h --help prints this message\n"); + printf("-k --kernel-console switches into kernel console before shutdown\n"); + printf("-c --cancel cancels a previous started shutdown\n"); + printf("-H --halt halts the system\n"); + printf("-r --reboot reboots the system\n"); + printf("-d --delay delays the shutdown\n"); +} + +static int print_error(const char *msg) +{ + printf("%sUse `%s -h` for help\n", msg, APP_NAME); + return 1; +} + +static struct option const long_options[] = { + { "help", no_argument, 0, 'h' }, + { "kernel-console", no_argument, 0, 'k' }, + { "cancel", no_argument, 0, 'c' }, + { "halt", no_argument, 0, 'H' }, + { "reboot", no_argument, 0, 'r' }, + { "delay", required_argument, 0, 'd' }, + { 0, 0, 0, 0 } +}; + +int main(int argc, char **argv) +{ + if (argc == 1) { + goto print_help; + } + + int c, option_index; + int delay = 0; + shutdown_mode_t mode = SHUTDOWN_UNDEFINED; + bool kconsole = false; + + while ((c = getopt_long(argc, argv, "hkcHrd:", long_options, &option_index)) != -1) { + switch (c) { + case 'k': + kconsole = true; + break; + case 'c': + if (mode != SHUTDOWN_UNDEFINED) + return print_error("The mode has already been set\n"); + mode = SHUTDOWN_CANCEL; + break; + case 'H': + if (mode != SHUTDOWN_UNDEFINED) + return print_error("The mode has already been set\n"); + mode = SHUTDOWN_HALT; + break; + case 'r': + if (mode != SHUTDOWN_UNDEFINED) + return print_error("The mode has already been set\n"); + mode = SHUTDOWN_REBOOT; + break; + case 'd': + delay = atoi(optarg); + if (delay <= 0) + print_error("Delay must be bigger than zero\n"); + break; + case '?': + return print_error(""); + case 'h': + default: + print_help: + help(); + return 0; + } + } + + if (mode == SHUTDOWN_UNDEFINED) { + return print_error("You have to specific the mode\n"); + } else if (mode == SHUTDOWN_CANCEL && delay != 0) { + return print_error("The mode cancel cannot be delayed\n"); + } + + if (optind < argc) + return print_error("Too many arguments have been passed"); + + errno_t rc = __SYSCALL3(SYS_SHUTDOWN, (sysarg_t) mode, (sysarg_t) delay, (sysarg_t) kconsole); + + if (rc != EOK) + return print_error("There was an error while executing the systemcall"); + + return 0; +}