12947270eSSasha Levin #include <stdio.h> 22947270eSSasha Levin #include <string.h> 32947270eSSasha Levin #include <signal.h> 42947270eSSasha Levin 52947270eSSasha Levin #include <kvm/util.h> 62947270eSSasha Levin #include <kvm/kvm-cmd.h> 72a24f96dSSasha Levin #include <kvm/builtin-pause.h> 8512e8bf1SSasha Levin #include <kvm/kvm.h> 9*c9cba791SPekka Enberg #include <kvm/parse-options.h> 10*c9cba791SPekka Enberg 11*c9cba791SPekka Enberg static const char * const pause_usage[] = { 12*c9cba791SPekka Enberg "kvm pause <instance name>", 13*c9cba791SPekka Enberg NULL 14*c9cba791SPekka Enberg }; 15*c9cba791SPekka Enberg 16*c9cba791SPekka Enberg static const struct option pause_options[] = { 17*c9cba791SPekka Enberg OPT_END() 18*c9cba791SPekka Enberg }; 192947270eSSasha Levin 20886af5f2SLiming Wang static int do_pause(const char *name, int pid) 2124e7dbbaSSasha Levin { 22886af5f2SLiming Wang return kill(pid, SIGUSR2); 2324e7dbbaSSasha Levin } 2424e7dbbaSSasha Levin 252947270eSSasha Levin int kvm_cmd_pause(int argc, const char **argv, const char *prefix) 262947270eSSasha Levin { 27512e8bf1SSasha Levin int pid; 28512e8bf1SSasha Levin 29512e8bf1SSasha Levin if (argc != 1) 30*c9cba791SPekka Enberg usage_with_options(pause_usage, pause_options); 31512e8bf1SSasha Levin 3224e7dbbaSSasha Levin if (strcmp(argv[0], "all") == 0) { 33886af5f2SLiming Wang return kvm__enumerate_instances(do_pause); 3424e7dbbaSSasha Levin } 3524e7dbbaSSasha Levin 36512e8bf1SSasha Levin pid = kvm__get_pid_by_instance(argv[0]); 37512e8bf1SSasha Levin if (pid < 0) 38512e8bf1SSasha Levin die("Failed locating instance name"); 39512e8bf1SSasha Levin 40512e8bf1SSasha Levin return kill(pid, SIGUSR2); 412947270eSSasha Levin } 42