xref: /kvmtool/builtin-resume.c (revision 0725673ad39930be912cfcb0600eb4d5f9188b14)
102317b74SSasha Levin #include <stdio.h>
202317b74SSasha Levin #include <string.h>
302317b74SSasha Levin #include <signal.h>
402317b74SSasha Levin 
502317b74SSasha Levin #include <kvm/util.h>
602317b74SSasha Levin #include <kvm/kvm-cmd.h>
702317b74SSasha Levin #include <kvm/builtin-resume.h>
802317b74SSasha Levin #include <kvm/kvm.h>
9c9cba791SPekka Enberg #include <kvm/parse-options.h>
10c9cba791SPekka Enberg 
11c9cba791SPekka Enberg static const char * const resume_usage[] = {
12c9cba791SPekka Enberg 	"kvm resume <instance name>",
13c9cba791SPekka Enberg 	NULL
14c9cba791SPekka Enberg };
15c9cba791SPekka Enberg 
16c9cba791SPekka Enberg static const struct option resume_options[] = {
17c9cba791SPekka Enberg 	OPT_END()
18c9cba791SPekka Enberg };
1902317b74SSasha Levin 
20*0725673aSSasha Levin void kvm_resume_help(void)
21*0725673aSSasha Levin {
22*0725673aSSasha Levin 	usage_with_options(resume_usage, resume_options);
23*0725673aSSasha Levin }
24*0725673aSSasha Levin 
25886af5f2SLiming Wang static int do_resume(const char *name, int pid)
2602317b74SSasha Levin {
27886af5f2SLiming Wang 	return kill(pid, SIGKVMRESUME);
2802317b74SSasha Levin }
2902317b74SSasha Levin 
3002317b74SSasha Levin int kvm_cmd_resume(int argc, const char **argv, const char *prefix)
3102317b74SSasha Levin {
3202317b74SSasha Levin 	int pid;
3302317b74SSasha Levin 
3402317b74SSasha Levin 	if (argc != 1)
35*0725673aSSasha Levin 		kvm_resume_help();
3602317b74SSasha Levin 
3702317b74SSasha Levin 	if (strcmp(argv[0], "all") == 0) {
38886af5f2SLiming Wang 		return kvm__enumerate_instances(do_resume);
3902317b74SSasha Levin 	}
4002317b74SSasha Levin 
4102317b74SSasha Levin 	pid = kvm__get_pid_by_instance(argv[0]);
4202317b74SSasha Levin 	if (pid < 0)
4302317b74SSasha Levin 		die("Failed locating instance name");
4402317b74SSasha Levin 
4502317b74SSasha Levin 	return kill(pid, SIGKVMRESUME);
4602317b74SSasha Levin }
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