xref: /kvmtool/builtin-debug.c (revision 886af5f228d2806978b628b1e98c88b8a5845954)
1 #include <kvm/util.h>
2 #include <kvm/kvm-cmd.h>
3 #include <kvm/builtin-debug.h>
4 #include <kvm/kvm.h>
5 
6 #include <stdio.h>
7 #include <string.h>
8 #include <signal.h>
9 
10 static int do_debug(const char *name, int pid)
11 {
12 	return kill(pid, SIGQUIT);
13 }
14 
15 int kvm_cmd_debug(int argc, const char **argv, const char *prefix)
16 {
17 	int pid;
18 
19 	if (argc != 1)
20 		die("Usage: kvm debug [instance name]\n");
21 
22 	if (strcmp(argv[0], "all") == 0) {
23 		return kvm__enumerate_instances(do_debug);
24 	}
25 
26 	pid = kvm__get_pid_by_instance(argv[0]);
27 	if (pid < 0)
28 		die("Failed locating instance name");
29 
30 	return kill(pid, SIGQUIT);
31 }
32