3 // Copyright (C) 2004 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de>
5 // This program is free software; you can redistribute it and/or modify
6 // it under the terms of the GNU General Public License as published by
7 // the Free Software Foundation; version 2 of the License.
9 // This program is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU General Public License for more details.
14 // You should have received a copy of the GNU General Public License
15 // along with this program; if not, write to the Free Software
16 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
31 #define ENSC_WRAPPERS_PREFIX "vsched: "
32 #define ENSC_WRAPPERS_VSERVER 1
33 #define ENSC_WRAPPERS_UNISTD 1
36 #define CMD_HELP 0x1000
37 #define CMD_VERSION 0x1001
38 #define CMD_XID 0x4000
39 #define CMD_FRATE 0x4001
40 #define CMD_PERIOD 0x4002
41 #define CMD_FLEVEL 0x4003
42 #define CMD_BSIZE 0x4004
44 int wrapper_exit_code = 255;
48 { "help", no_argument, 0, CMD_HELP },
49 { "version", no_argument, 0, CMD_VERSION },
50 { "ctx", required_argument, 0, CMD_XID },
51 { "fill-rate", required_argument, 0, CMD_FRATE },
52 { "period", required_argument, 0, CMD_PERIOD },
53 { "fill-level", required_argument, 0, CMD_FLEVEL },
54 { "bucket-size", required_argument, 0, CMD_BSIZE },
59 showHelp(int fd, char const *cmd, int res)
61 VSERVER_DECLARE_CMD(cmd);
63 WRITE_MSG(fd, "Usage:\n ");
66 " [--ctx <xid>] [--fill-rate <rate>] [--period <period>] [--fill-level <level>] [--bucket-size <size>] [--] [<command> <args>*]\n"
68 "Please report bugs to " PACKAGE_BUGREPORT "\n");
77 "vsched " VERSION " -- modifies scheduling parameters\n"
78 "This program is part of " PACKAGE_STRING "\n\n"
79 "Copyright (C) 2003,2004 Enrico Scholz\n"
80 VERSION_COPYRIGHT_DISCLAIMER);
84 int main(int argc, char *argv[])
87 struct vc_set_sched sched = { 0,0,0,0 };
90 int c = getopt_long(argc, argv, "+", CMDLINE_OPTIONS, 0);
94 case CMD_HELP : showHelp(1, argv[0], 0);
95 case CMD_VERSION : showVersion();
96 case CMD_XID : xid = atoi(optarg); break;
97 case CMD_FRATE : sched.fill_rate = atoi(optarg); break;
98 case CMD_PERIOD : sched.period = atoi(optarg); break;
99 case CMD_FLEVEL : sched.fill_level = atoi(optarg); break;
100 case CMD_BSIZE : sched.bucket_size = atoi(optarg); break;
102 WRITE_MSG(2, "Try '");
103 WRITE_STR(2, argv[0]);
104 WRITE_MSG(2, " --help\" for more information.\n");
110 if (xid==VC_NOCTX && optind==argc) {
111 WRITE_MSG(2, "Neither '--xid' nor a program was specified; try '--help' for more information\n");
116 xid = Evc_get_task_xid(0);
118 if (vc_set_sched(xid, &sched)==-1) {
119 perror("vc_set_sched()");
123 EexecvpD(argv[optind],argv+optind);