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Preserving the app port write socket.

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The socket is required for intercontextual communication in multithreaded apps.
This commit is contained in:
Max Romanov
2020-10-28 00:01:46 +03:00
parent d8cc830ea0
commit 80a8cb835b
4 changed files with 17 additions and 10 deletions
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2
src/nxt_application.c
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@@ -723,7 +723,7 @@ nxt_unit_default_init(nxt_task_t *task, nxt_unit_init_t *init)
init->read_port.id.pid = my_port->pid;
init->read_port.id.id = my_port->id;
init->read_port.in_fd = my_port->pair[0];
init->read_port.out_fd = -1;
init->read_port.out_fd = my_port->pair[1];
init->log_fd = 2;

8
src/nxt_external.c
View File

@@ -101,18 +101,24 @@ nxt_external_start(nxt_task_t *task, nxt_process_data_t *data)
return NXT_ERROR;
}
rc = nxt_external_fd_no_cloexec(task, my_port->pair[1]);
if (nxt_slow_path(rc != NXT_OK)) {
return NXT_ERROR;
}
end = buf + sizeof(buf);
p = nxt_sprintf(buf, end,
"%s;%uD;"
"%PI,%ud,%d;"
"%PI,%ud,%d;"
"%PI,%ud,%d;"
"%PI,%ud,%d,%d;"
"%d,%z,%Z",
NXT_VERSION, my_port->process->stream,
main_port->pid, main_port->id, main_port->pair[1],
router_port->pid, router_port->id, router_port->pair[1],
my_port->pid, my_port->id, my_port->pair[0],
my_port->pair[1],
2, conf->shm_limit);
if (nxt_slow_path(p == end)) {

5
src/nxt_process.c
View File

@@ -248,8 +248,6 @@ nxt_process_setup(nxt_task_t *task, nxt_process_t *process)
port = nxt_process_port_first(process);
nxt_port_write_close(port);
nxt_port_enable(task, port, init->port_handlers);
ret = init->setup(task, process);
@@ -272,6 +270,9 @@ nxt_process_setup(nxt_task_t *task, nxt_process_t *process)
}
ret = init->start(task, &process->data);
nxt_port_write_close(port);
break;
default:

12
src/nxt_unit.c
View File

@@ -780,7 +780,7 @@ nxt_unit_read_env(nxt_unit_port_t *ready_port, nxt_unit_port_t *router_port,
uint32_t *shm_limit)
{
int rc;
int ready_fd, router_fd, read_fd;
int ready_fd, router_fd, read_in_fd, read_out_fd;
char *unit_init, *version_end;
long version_length;
int64_t ready_pid, router_pid, read_pid;
@@ -812,15 +812,15 @@ nxt_unit_read_env(nxt_unit_port_t *ready_port, nxt_unit_port_t *router_port,
"%"PRIu32";"
"%"PRId64",%"PRIu32",%d;"
"%"PRId64",%"PRIu32",%d;"
"%"PRId64",%"PRIu32",%d;"
"%"PRId64",%"PRIu32",%d,%d;"
"%d,%"PRIu32,
&ready_stream,
&ready_pid, &ready_id, &ready_fd,
&router_pid, &router_id, &router_fd,
&read_pid, &read_id, &read_fd,
&read_pid, &read_id, &read_in_fd, &read_out_fd,
log_fd, shm_limit);
if (nxt_slow_path(rc != 12)) {
if (nxt_slow_path(rc != 13)) {
nxt_unit_alert(NULL, "failed to scan variables: %d", rc);
return NXT_UNIT_ERROR;
@@ -840,8 +840,8 @@ nxt_unit_read_env(nxt_unit_port_t *ready_port, nxt_unit_port_t *router_port,
nxt_unit_port_id_init(&read_port->id, (pid_t) read_pid, read_id);
read_port->in_fd = read_fd;
read_port->out_fd = -1;
read_port->in_fd = read_in_fd;
read_port->out_fd = read_out_fd;
read_port->data = NULL;
*stream = ready_stream;