xref: /kvmtool/builtin-stop.c (revision 0725673ad39930be912cfcb0600eb4d5f9188b14)
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>
5c9cba791SPekka 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 
11c9cba791SPekka Enberg static const char * const stop_usage[] = {
12c9cba791SPekka Enberg 	"kvm stop <instance name>",
13c9cba791SPekka Enberg 	NULL
14c9cba791SPekka Enberg };
15c9cba791SPekka Enberg 
16c9cba791SPekka Enberg static const struct option stop_options[] = {
17c9cba791SPekka Enberg 	OPT_END()
18c9cba791SPekka Enberg };
19c9cba791SPekka Enberg 
20*0725673aSSasha Levin void kvm_stop_help(void)
21*0725673aSSasha Levin {
22*0725673aSSasha Levin 	usage_with_options(stop_usage, stop_options);
23*0725673aSSasha Levin }
24*0725673aSSasha Levin 
25886af5f2SLiming Wang static int do_stop(const char *name, int pid)
26daf4cb5aSSasha Levin {
27886af5f2SLiming Wang 	return kill(pid, SIGKVMSTOP);
28daf4cb5aSSasha Levin }
29daf4cb5aSSasha Levin 
30daf4cb5aSSasha Levin int kvm_cmd_stop(int argc, const char **argv, const char *prefix)
31daf4cb5aSSasha Levin {
32daf4cb5aSSasha Levin 	int pid;
33daf4cb5aSSasha Levin 
34daf4cb5aSSasha Levin 	if (argc != 1)
35*0725673aSSasha Levin 		kvm_stop_help();
36daf4cb5aSSasha Levin 
37daf4cb5aSSasha Levin 	if (strcmp(argv[0], "all") == 0) {
38886af5f2SLiming Wang 		return kvm__enumerate_instances(do_stop);
39daf4cb5aSSasha Levin 	}
40daf4cb5aSSasha Levin 
41daf4cb5aSSasha Levin 	pid = kvm__get_pid_by_instance(argv[0]);
42daf4cb5aSSasha Levin 	if (pid < 0)
43daf4cb5aSSasha Levin 		die("Failed locating instance name");
44daf4cb5aSSasha Levin 
45daf4cb5aSSasha Levin 	return kill(pid, SIGKVMSTOP);
46daf4cb5aSSasha Levin }
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