xref: /kvmtool/builtin-debug.c (revision c9cba7910f52a48ecc99c9976bab69883aa3ef58)
1ca379b83SPekka Enberg #include <kvm/util.h>
2ca379b83SPekka Enberg #include <kvm/kvm-cmd.h>
32a24f96dSSasha Levin #include <kvm/builtin-debug.h>
46c757e71SSasha Levin #include <kvm/kvm.h>
5*c9cba791SPekka Enberg #include <kvm/parse-options.h>
66c757e71SSasha Levin 
76c757e71SSasha Levin #include <stdio.h>
86c757e71SSasha Levin #include <string.h>
96c757e71SSasha Levin #include <signal.h>
10ca379b83SPekka Enberg 
11*c9cba791SPekka Enberg static const char * const debug_usage[] = {
12*c9cba791SPekka Enberg 	"kvm debug <instance name>",
13*c9cba791SPekka Enberg 	NULL
14*c9cba791SPekka Enberg };
15*c9cba791SPekka Enberg 
16*c9cba791SPekka Enberg static const struct option debug_options[] = {
17*c9cba791SPekka Enberg 	OPT_END()
18*c9cba791SPekka Enberg };
19*c9cba791SPekka Enberg 
20886af5f2SLiming Wang static int do_debug(const char *name, int pid)
2124e7dbbaSSasha Levin {
22886af5f2SLiming Wang 	return kill(pid, SIGQUIT);
2324e7dbbaSSasha Levin }
2424e7dbbaSSasha Levin 
25ca379b83SPekka Enberg int kvm_cmd_debug(int argc, const char **argv, const char *prefix)
26ca379b83SPekka Enberg {
276c757e71SSasha Levin 	int pid;
286c757e71SSasha Levin 
296c757e71SSasha Levin 	if (argc != 1)
30*c9cba791SPekka Enberg 		usage_with_options(debug_usage, debug_options);
316c757e71SSasha Levin 
3224e7dbbaSSasha Levin 	if (strcmp(argv[0], "all") == 0) {
33886af5f2SLiming Wang 		return kvm__enumerate_instances(do_debug);
3424e7dbbaSSasha Levin 	}
3524e7dbbaSSasha Levin 
366c757e71SSasha Levin 	pid = kvm__get_pid_by_instance(argv[0]);
376c757e71SSasha Levin 	if (pid < 0)
386c757e71SSasha Levin 		die("Failed locating instance name");
396c757e71SSasha Levin 
406c757e71SSasha Levin 	return kill(pid, SIGQUIT);
41ca379b83SPekka Enberg }
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