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exec: Initial skeleton

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Reserve the cmdline option for this and link empty file.

Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
This commit is contained in:
Pavel Emelyanov
2012-12-17 22:56:06 +03:00
parent 45fdee04fb
commit 4bb4ece76e
4 changed files with 21 additions and 1 deletions
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10
crtools.c
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@@ -252,7 +252,8 @@ int main(int argc, char *argv[])
if (strcmp(argv[optind], "dump") &&
strcmp(argv[optind], "restore") &&
strcmp(argv[optind], "show") &&
strcmp(argv[optind], "check")) {
strcmp(argv[optind], "check") &&
strcmp(argv[optind], "exec")) {
pr_err("Unknown command %s\n", argv[optind]);
goto usage;
}
@@ -274,6 +275,11 @@ int main(int argc, char *argv[])
case 'c':
ret = cr_check();
break;
case 'e':
if (!pid)
goto opt_pid_missing;
ret = cr_exec(pid, argv + optind + 1);
break;
default:
goto usage;
break;
@@ -287,12 +293,14 @@ usage:
pr_msg(" %s restore -t pid [<options>]\n", argv[0]);
pr_msg(" %s show (-D dir)|(-f file) [<options>]\n", argv[0]);
pr_msg(" %s check\n", argv[0]);
pr_msg(" %s exec -t pid <syscall-string>\n", argv[0]);
pr_msg("\nCommands:\n");
pr_msg(" dump checkpoint a process/tree identified by pid\n");
pr_msg(" restore restore a process/tree identified by pid\n");
pr_msg(" show show dump file(s) contents\n");
pr_msg(" check checks whether the kernel support is up-to-date\n");
pr_msg(" exec execute a system call by other task\n");
if (argc < 2) {
pr_msg("\nTry -h|--help for more info\n");