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Process stop notification from master to all other processes.

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New port message type introduced NXT_PORT_MSG_REMOVE_PID. Default handler
removes process description from nxt_runtime_t with all ports, incoming and
outgoing mmaps etc.
This commit is contained in:
Max Romanov
2017-07-07 16:01:34 +03:00
parent 61008a7c0b
commit 74cda90e31
11 changed files with 113 additions and 22 deletions
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20
src/nxt_master_process.c
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@@ -51,7 +51,7 @@ nxt_master_process_start(nxt_thread_t *thr, nxt_task_t *task,
{
nxt_int_t ret;
rt->type = NXT_PROCESS_MASTER;
rt->types |= (1U << NXT_PROCESS_MASTER);
if (nxt_master_process_port_create(task, rt) != NXT_OK) {
return NXT_ERROR;
@@ -467,6 +467,7 @@ nxt_master_process_sigchld_handler(nxt_task_t *task, void *obj, void *data)
static void
nxt_master_cleanup_worker_process(nxt_task_t *task, nxt_pid_t pid)
{
nxt_port_t *port;
nxt_runtime_t *rt;
nxt_process_t *process;
nxt_process_init_t *init;
@@ -478,10 +479,23 @@ nxt_master_cleanup_worker_process(nxt_task_t *task, nxt_pid_t pid)
if (process) {
init = process->init;
/* TODO: free ports fds. */
nxt_runtime_process_remove(rt, process);
if (!nxt_exiting) {
nxt_runtime_process_each(rt, process)
{
if (process->pid == nxt_pid) {
continue;
}
port = nxt_process_port_first(process);
nxt_port_socket_write(task, port, NXT_PORT_MSG_REMOVE_PID,
-1, pid, 0, NULL);
}
nxt_runtime_process_loop;
}
if (nxt_exiting) {
if (rt->nprocesses == 2) {