static void detach_cb(uv_process_t* process, int exit_status, int term_signal) {
uv_err_t err;
printf("detach_cb\n");
exit_cb_called++;
ASSERT(exit_status == 0);
uv_close((uv_handle_t*)process, close_cb);
/*
* Unlike other tests, this one needs to make sure the process *is*
* still alive.
*/
err = uv_kill(process->pid, 0);
ASSERT(err.code == 0);
err = uv_kill(process->pid, 15);
ASSERT(err.code == 0);
}
static void kill_cb(uv_process_t* process,
int64_t exit_status,
int term_signal) {
int err;
printf("exit_cb\n");
exit_cb_called++;
#ifdef _WIN32
ASSERT(exit_status == 1);
#else
ASSERT(exit_status == 0);
#endif
#if defined(__APPLE__) || defined(__MVS__)
/*
* At least starting with Darwin Kernel Version 16.4.0, sending a SIGTERM to a
* process that is still starting up kills it with SIGKILL instead of SIGTERM.
* See: https://github.com/libuv/libuv/issues/1226
*/
ASSERT(no_term_signal || term_signal == SIGTERM || term_signal == SIGKILL);
#else
ASSERT(no_term_signal || term_signal == SIGTERM);
#endif
uv_close((uv_handle_t*)process, close_cb);
/*
* Sending signum == 0 should check if the
* child process is still alive, not kill it.
* This process should be dead.
*/
err = uv_kill(process->pid, 0);
ASSERT(err == UV_ESRCH);
}
static int luv_kill(lua_State* L) {
int pid = luaL_checkinteger(L, 1);
int signum = luv_parse_signal(L, 2);
int ret = uv_kill(pid, signum);
if (ret < 0) return luv_error(L, ret);
lua_pushinteger(L, ret);
return 1;
}
static int LuaIO_process_kill(lua_State* L) {
int pid = luaL_checkinteger(L, 1);
int argc = lua_gettop(L);
int signal = SIGTERM;
if(argc == 2) signal = luaL_checkinteger(L, 2);
int err = uv_kill(pid, signal);
if (err < 0) return luaL_error(L, "process.kill(pid[, signal]) uv_kill() error: %s\n", uv_strerror(err));
return 0;
}
/*
* Class: com_iwebpp_libuvpp_LibUV
* Method: _kill
* Signature: (II)I
*/
extern "C" JNIEXPORT jint JNICALL Java_com_iwebpp_libuvpp_LibUV__1kill
(JNIEnv *env, jclass cls, jint pid, jint signal) {
uv_err_t err = uv_kill(pid, signal);
if (err.code != UV_OK) {
errno = err.code;
return -1;
}
return 0;
}
void destroyInstance(void* userData)
{
PluginData* plugin = (PluginData*)userData;
if (plugin->process.pid > 0)
uv_kill(plugin->process.pid, 2);
if (plugin->conn)
VICEConnection_destroy(plugin->conn);
free(plugin);
}
void destroy_instance(void* user_data) {
PluginData* plugin = (PluginData*)user_data;
if (plugin->process.pid > 0) {
uv_kill(plugin->process.pid, 2);
}
if (plugin->conn) {
VICEConnection_destroy(plugin->conn);
}
free(plugin);
}
/// Iterates the table, sending SIGTERM to stopped jobs and SIGKILL to those
/// that didn't die from SIGTERM after a while(exit_timeout is 0).
static void job_stop_timer_cb(uv_timer_t *handle)
{
Job *job;
uint64_t now = os_hrtime();
for (size_t i = 0; i < MAX_RUNNING_JOBS; i++) {
if ((job = table[i]) == NULL || !job->stopped_time) {
continue;
}
uint64_t elapsed = now - job->stopped_time;
if (!job->term_sent && elapsed >= TERM_TIMEOUT) {
ILOG("Sending SIGTERM to job(id: %d)", job->id);
uv_kill(job->pid, SIGTERM);
job->term_sent = true;
} else if (elapsed >= KILL_TIMEOUT) {
ILOG("Sending SIGKILL to job(id: %d)", job->id);
uv_kill(job->pid, SIGKILL);
process_close(job);
}
}
}
/// Releases job control resources and terminates running jobs
void job_teardown(void)
{
// Stop all jobs
for (int i = 0; i < MAX_RUNNING_JOBS; i++) {
Job *job;
if ((job = table[i]) != NULL) {
uv_kill(job->pid, SIGTERM);
job->term_sent = true;
job_stop(job);
}
}
// Wait until all jobs are closed
event_poll_until(-1, !stop_requests);
uv_signal_stop(&schld);
uv_close((uv_handle_t *)&schld, NULL);
// Close the timer
uv_close((uv_handle_t *)&job_stop_timer, NULL);
}
static void kill_cb(uv_process_t* process, int exit_status, int term_signal) {
uv_err_t err;
printf("exit_cb\n");
exit_cb_called++;
#ifdef _WIN32
ASSERT(exit_status == 1);
#else
ASSERT(exit_status == 0);
#endif
ASSERT(no_term_signal || term_signal == 15);
uv_close((uv_handle_t*)process, close_cb);
/* Sending signum == 0 should check if the
* child process is still alive, not kill it.
*/
err = uv_kill(process->pid, 0);
ASSERT(err.code != UV_OK);
}
int uv_process_kill(uv_process_t* process, int signum) {
return uv_kill(process->pid, signum);
}
/**
* @brief kill Sends the specified signal to the given PID.
* @param pid A valid process id.
* @param signum A valid signal identifier.
* @return True in case of success, false otherwise.
*/
static bool kill(int pid, int signum) noexcept {
return (0 == uv_kill(pid, signum));
}
