@@ -2048,6 +2048,51 @@ static const cmdinfo_t abort_cmd = {
.oneline = "simulate a program crash using abort(3)",
};
+static void sigraise_help(void)
+{
+ printf(
+"\n"
+" raises the given signal\n"
+"\n"
+" Example:\n"
+" 'sigraise %i' - raises SIGTERM\n"
+"\n"
+" Invokes raise(signal), where \"signal\" is the mandatory integer argument\n"
+" given to sigraise.\n"
+"\n", SIGTERM);
+}
+
+static int sigraise_f(BlockDriverState *bs, int argc, char **argv);
+
+static const cmdinfo_t sigraise_cmd = {
+ .name = "sigraise",
+ .cfunc = sigraise_f,
+ .argmin = 1,
+ .argmax = 1,
+ .flags = CMD_NOFILE_OK,
+ .args = "signal",
+ .oneline = "raises a signal",
+ .help = sigraise_help,
+};
+
+static int sigraise_f(BlockDriverState *bs, int argc, char **argv)
+{
+ int sig = cvtnum(argv[1]);
+ if (sig < 0) {
+ printf("non-numeric signal number argument -- %s\n", argv[1]);
+ return 0;
+ }
+
+ /* Using raise() to kill this process does not necessarily flush all open
+ * streams. At least stdout and stderr (although the latter should be
+ * non-buffered anyway) should be flushed, though. */
+ fflush(stdout);
+ fflush(stderr);
+
+ raise(sig);
+ return 0;
+}
+
static void sleep_cb(void *opaque)
{
bool *expired = opaque;
@@ -2202,4 +2247,5 @@ static void __attribute((constructor)) init_qemuio_commands(void)
qemuio_add_command(&wait_break_cmd);
qemuio_add_command(&abort_cmd);
qemuio_add_command(&sleep_cmd);
+ qemuio_add_command(&sigraise_cmd);
}