xref: /kvmtool/builtin-stop.c (revision c9cba7910f52a48ecc99c9976bab69883aa3ef58)
1daf4cb5aSSasha Levin #include <kvm/util.h>
2daf4cb5aSSasha Levin #include <kvm/kvm-cmd.h>
3daf4cb5aSSasha Levin #include <kvm/builtin-stop.h>
4daf4cb5aSSasha Levin #include <kvm/kvm.h>
5*c9cba791SPekka Enberg #include <kvm/parse-options.h>
6daf4cb5aSSasha Levin 
7daf4cb5aSSasha Levin #include <stdio.h>
8daf4cb5aSSasha Levin #include <string.h>
9daf4cb5aSSasha Levin #include <signal.h>
10daf4cb5aSSasha Levin 
11*c9cba791SPekka Enberg static const char * const stop_usage[] = {
12*c9cba791SPekka Enberg 	"kvm stop <instance name>",
13*c9cba791SPekka Enberg 	NULL
14*c9cba791SPekka Enberg };
15*c9cba791SPekka Enberg 
16*c9cba791SPekka Enberg static const struct option stop_options[] = {
17*c9cba791SPekka Enberg 	OPT_END()
18*c9cba791SPekka Enberg };
19*c9cba791SPekka Enberg 
20886af5f2SLiming Wang static int do_stop(const char *name, int pid)
21daf4cb5aSSasha Levin {
22886af5f2SLiming Wang 	return kill(pid, SIGKVMSTOP);
23daf4cb5aSSasha Levin }
24daf4cb5aSSasha Levin 
25daf4cb5aSSasha Levin int kvm_cmd_stop(int argc, const char **argv, const char *prefix)
26daf4cb5aSSasha Levin {
27daf4cb5aSSasha Levin 	int pid;
28daf4cb5aSSasha Levin 
29daf4cb5aSSasha Levin 	if (argc != 1)
30*c9cba791SPekka Enberg 		usage_with_options(stop_usage, stop_options);
31daf4cb5aSSasha Levin 
32daf4cb5aSSasha Levin 	if (strcmp(argv[0], "all") == 0) {
33886af5f2SLiming Wang 		return kvm__enumerate_instances(do_stop);
34daf4cb5aSSasha Levin 	}
35daf4cb5aSSasha Levin 
36daf4cb5aSSasha Levin 	pid = kvm__get_pid_by_instance(argv[0]);
37daf4cb5aSSasha Levin 	if (pid < 0)
38daf4cb5aSSasha Levin 		die("Failed locating instance name");
39daf4cb5aSSasha Levin 
40daf4cb5aSSasha Levin 	return kill(pid, SIGKVMSTOP);
41daf4cb5aSSasha Levin }
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