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Skeleton of router configuration and request processing.

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This commit is contained in:
Igor Sysoev
2017-05-31 15:26:45 +03:00
parent dee819daab
commit 5bc011afad
21 changed files with 1456 additions and 270 deletions
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8
src/nxt_application.c
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@@ -99,7 +99,7 @@ nxt_app_start(nxt_task_t *task, nxt_runtime_t *rt)
if (nxt_fast_path(link != NULL)) {
link->start = nxt_app_thread;
link->data = rt;
link->work.data = rt;
return nxt_thread_create(&handle, link);
}
@@ -151,8 +151,8 @@ nxt_app_thread(void *ctx)
nxt_socket_t s;
nxt_thread_t *thr;
nxt_runtime_t *rt;
nxt_queue_link_t *link;
nxt_app_request_t *r;
nxt_event_engine_t **engines;
nxt_listen_socket_t *ls;
u_char buf[SIZE];
const size_t size = SIZE;
@@ -163,9 +163,9 @@ nxt_app_thread(void *ctx)
nxt_log_debug(thr->log, "app thread");
rt = ctx;
engines = rt->engines->elts;
nxt_app_engine = engines[0];
link = nxt_queue_first(&rt->engines);
nxt_app_engine = nxt_queue_link_data(link, nxt_event_engine_t, link);
nxt_app_mem_pool = nxt_mem_pool_create(512);
if (nxt_slow_path(nxt_app_mem_pool == NULL)) {

4
src/nxt_clang.h
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@@ -173,6 +173,10 @@ nxt_container_of(p, type, field) \
(type *) ((u_char *) (p) - offsetof(type, field))
#define nxt_value_at(type, p, offset) \
*(type *) ((u_char *) p + offset)
#define \
nxt_nitems(x) \
(sizeof(x) / sizeof((x)[0]))

159
src/nxt_conn_close.c Normal file
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@@ -0,0 +1,159 @@
/*
* Copyright (C) Igor Sysoev
* Copyright (C) NGINX, Inc.
*/
#include <nxt_main.h>
static void nxt_conn_shutdown_handler(nxt_task_t *task, void *obj, void *data);
static void nxt_conn_close_handler(nxt_task_t *task, void *obj, void *data);
static void nxt_conn_close_timer_handler(nxt_task_t *task, void *obj,
void *data);
static void nxt_conn_close_error_ignore(nxt_task_t *task, void *obj,
void *data);
void
nxt_event_conn_close(nxt_event_engine_t *engine, nxt_event_conn_t *c)
{
int ret;
socklen_t len;
struct linger linger;
nxt_work_queue_t *wq;
nxt_work_handler_t handler;
nxt_debug(c->socket.task, "conn close fd:%d, to:%d",
c->socket.fd, c->socket.timedout);
if (c->socket.timedout) {
/*
* Resetting of timed out connection on close
* releases kernel memory associated with socket.
* This also causes sending TCP/IP RST to a peer.
*/
linger.l_onoff = 1;
linger.l_linger = 0;
len = sizeof(struct linger);
ret = setsockopt(c->socket.fd, SOL_SOCKET, SO_LINGER, &linger, len);
if (nxt_slow_path(ret != 0)) {
nxt_log(c->socket.task, NXT_LOG_CRIT,
"setsockopt(%d, SO_LINGER) failed %E",
c->socket.fd, nxt_socket_errno);
}
}
/*
* Event errors should be ignored here to avoid repeated nxt_conn_close()
* calls. nxt_conn_close_handler() or nxt_conn_close_timer_handler()
* will eventually close socket.
*/
c->socket.error_handler = nxt_conn_close_error_ignore;
if (c->socket.error == 0 && !c->socket.closed && !c->socket.shutdown) {
wq = &engine->shutdown_work_queue;
handler = nxt_conn_shutdown_handler;
} else{
wq = &engine->close_work_queue;
handler = nxt_conn_close_handler;
}
nxt_work_queue_add(wq, handler, c->socket.task, c, engine);
}
static void
nxt_conn_shutdown_handler(nxt_task_t *task, void *obj, void *data)
{
nxt_event_conn_t *c;
nxt_event_engine_t *engine;
c = obj;
engine = data;
nxt_debug(task, "conn shutdown handler fd:%d", c->socket.fd);
c->socket.shutdown = 1;
nxt_socket_shutdown(task, c->socket.fd, SHUT_RDWR);
nxt_work_queue_add(&engine->close_work_queue, nxt_conn_close_handler,
task, c, engine);
}
static void
nxt_conn_close_handler(nxt_task_t *task, void *obj, void *data)
{
nxt_uint_t events_pending, timers_pending;
nxt_event_conn_t *c;
nxt_event_engine_t *engine;
c = obj;
engine = data;
nxt_debug(task, "conn close handler fd:%d", c->socket.fd);
/*
* Socket should be closed only after all pending socket event operations
* will be processed by the kernel. This could be achieved with zero-timer
* handler. Pending timer operations associated with the socket are
* processed before going to the kernel.
*/
timers_pending = nxt_timer_delete(engine, &c->read_timer);
timers_pending += nxt_timer_delete(engine, &c->write_timer);
events_pending = nxt_fd_event_close(engine, &c->socket);
if (events_pending == 0) {
nxt_socket_close(task, c->socket.fd);
c->socket.fd = -1;
if (timers_pending == 0) {
nxt_work_queue_add(&engine->fast_work_queue,
c->write_state->ready_handler,
task, c, c->socket.data);
return;
}
}
c->write_timer.handler = nxt_conn_close_timer_handler;
c->write_timer.work_queue = &engine->fast_work_queue;
nxt_timer_add(engine, &c->write_timer, 0);
}
static void
nxt_conn_close_timer_handler(nxt_task_t *task, void *obj, void *data)
{
nxt_timer_t *timer;
nxt_event_conn_t *c;
timer = obj;
c = nxt_event_write_timer_conn(timer);
nxt_debug(task, "conn close timer handler fd:%d", c->socket.fd);
if (c->socket.fd != -1) {
nxt_socket_close(task, c->socket.fd);
c->socket.fd = -1;
}
nxt_work_queue_add(&task->thread->engine->fast_work_queue,
c->write_state->ready_handler,
task, c, c->socket.data);
}
static void
nxt_conn_close_error_ignore(nxt_task_t *task, void *obj, void *data)
{
nxt_debug(task, "conn close error ignore");
}

2
src/nxt_epoll_engine.c
View File

@@ -994,7 +994,7 @@ nxt_epoll_event_conn_io_accept4(nxt_task_t *task, void *obj, void *data)
nxt_event_conn_listen_t *cls;
cls = obj;
c = data;
c = cls->next;
cls->ready--;
cls->socket.read_ready = (cls->ready != 0);

128
src/nxt_event_conn.c
View File

@@ -7,12 +7,6 @@
#include <nxt_main.h>
static void nxt_conn_shutdown_handler(nxt_task_t *task, void *obj, void *data);
static void nxt_conn_close_handler(nxt_task_t *task, void *obj, void *data);
static void nxt_conn_close_timer_handler(nxt_task_t *task, void *obj,
void *data);
nxt_event_conn_io_t nxt_unix_event_conn_io = {
nxt_event_conn_io_connect,
nxt_event_conn_io_accept,
@@ -131,128 +125,6 @@ nxt_event_conn_io_shutdown(nxt_task_t *task, void *obj, void *data)
}
void
nxt_event_conn_close(nxt_event_engine_t *engine, nxt_event_conn_t *c)
{
int ret;
socklen_t len;
struct linger linger;
nxt_work_queue_t *wq;
nxt_work_handler_t handler;
if (c->socket.timedout) {
/*
* Resetting of timed out connection on close
* releases kernel memory associated with socket.
* This also causes sending TCP/IP RST to a peer.
*/
linger.l_onoff = 1;
linger.l_linger = 0;
len = sizeof(struct linger);
ret = setsockopt(c->socket.fd, SOL_SOCKET, SO_LINGER, &linger, len);
if (nxt_slow_path(ret != 0)) {
nxt_log(c->socket.task, NXT_LOG_CRIT,
"setsockopt(%d, SO_LINGER) failed %E",
c->socket.fd, nxt_socket_errno);
}
}
if (c->socket.error == 0 && !c->socket.closed && !c->socket.shutdown) {
wq = &engine->shutdown_work_queue;
handler = nxt_conn_shutdown_handler;
} else{
wq = &engine->close_work_queue;
handler = nxt_conn_close_handler;
}
nxt_work_queue_add(wq, handler, c->socket.task, c, engine);
}
static void
nxt_conn_shutdown_handler(nxt_task_t *task, void *obj, void *data)
{
nxt_event_conn_t *c;
nxt_event_engine_t *engine;
c = obj;
engine = data;
nxt_debug(task, "event conn shutdown fd:%d", c->socket.fd);
c->socket.shutdown = 1;
nxt_socket_shutdown(task, c->socket.fd, SHUT_RDWR);
nxt_work_queue_add(&engine->close_work_queue, nxt_conn_close_handler,
task, c, engine);
}
static void
nxt_conn_close_handler(nxt_task_t *task, void *obj, void *data)
{
nxt_uint_t events_pending, timers_pending;
nxt_event_conn_t *c;
nxt_event_engine_t *engine;
c = obj;
engine = data;
nxt_debug(task, "event conn close fd:%d", c->socket.fd);
timers_pending = nxt_timer_delete(engine, &c->read_timer);
timers_pending += nxt_timer_delete(engine, &c->write_timer);
events_pending = nxt_fd_event_close(engine, &c->socket);
if (events_pending == 0) {
nxt_socket_close(task, c->socket.fd);
c->socket.fd = -1;
if (timers_pending == 0) {
nxt_work_queue_add(&engine->fast_work_queue,
c->write_state->ready_handler,
task, c, c->socket.data);
return;
}
}
c->write_timer.handler = nxt_conn_close_timer_handler;
c->write_timer.work_queue = &engine->fast_work_queue;
nxt_timer_add(engine, &c->write_timer, 0);
}
static void
nxt_conn_close_timer_handler(nxt_task_t *task, void *obj, void *data)
{
nxt_timer_t *ev;
nxt_event_conn_t *c;
nxt_event_engine_t *engine;
ev = obj;
c = nxt_event_write_timer_conn(ev);
nxt_debug(task, "event conn close handler fd:%d", c->socket.fd);
if (c->socket.fd != -1) {
nxt_socket_close(task, c->socket.fd);
c->socket.fd = -1;
}
engine = task->thread->engine;
nxt_work_queue_add(&engine->fast_work_queue, c->write_state->ready_handler,
task, c, c->socket.data);
}
void
nxt_event_conn_timer(nxt_event_engine_t *engine, nxt_event_conn_t *c,
const nxt_event_conn_state_t *state, nxt_timer_t *tev)

58
src/nxt_event_conn.h
View File

@@ -100,6 +100,35 @@ typedef struct {
} nxt_event_conn_io_t;
/*
* The nxt_event_conn_listen_t is separated from nxt_listen_socket_t
* because nxt_listen_socket_t is one per process whilst each worker
* thread uses own nxt_event_conn_listen_t.
*/
typedef struct {
/* Must be the first field. */
nxt_fd_event_t socket;
nxt_task_t task;
uint32_t ready;
uint32_t batch;
/* An accept() interface is cached to minimize memory accesses. */
nxt_work_handler_t accept;
nxt_listen_socket_t *listen;
nxt_event_conn_t *next; /* STUB */;
nxt_work_queue_t *work_queue;
nxt_timer_t timer;
nxt_queue_link_t link;
} nxt_event_conn_listen_t;
typedef nxt_event_conn_listen_t nxt_listen_event_t;
struct nxt_event_conn_s {
/*
* Must be the first field, since nxt_fd_event_t
@@ -143,7 +172,7 @@ struct nxt_event_conn_s {
nxt_task_t task;
nxt_log_t log;
nxt_listen_socket_t *listen;
nxt_event_conn_listen_t *listen;
nxt_sockaddr_t *remote;
nxt_sockaddr_t *local;
const char *action;
@@ -163,31 +192,6 @@ struct nxt_event_conn_s {
};
/*
* The nxt_event_conn_listen_t is separated from nxt_listen_socket_t
* because nxt_listen_socket_t is one per process whilst each worker
* thread uses own nxt_event_conn_listen_t.
*/
typedef struct {
/* Must be the first field. */
nxt_fd_event_t socket;
nxt_task_t task;
uint32_t ready;
uint32_t batch;
/* An accept() interface is cached to minimize memory accesses. */
nxt_work_handler_t accept;
nxt_listen_socket_t *listen;
nxt_timer_t timer;
nxt_queue_link_t link;
} nxt_event_conn_listen_t;
#define \
nxt_event_conn_timer_init(ev, c, wq) \
do { \
@@ -256,6 +260,8 @@ nxt_int_t nxt_event_conn_socket(nxt_task_t *task, nxt_event_conn_t *c);
void nxt_event_conn_connect_test(nxt_task_t *task, void *obj, void *data);
void nxt_event_conn_connect_error(nxt_task_t *task, void *obj, void *data);
NXT_EXPORT nxt_event_conn_listen_t *nxt_listen_event(nxt_task_t *task,
nxt_listen_socket_t *ls);
NXT_EXPORT nxt_int_t nxt_event_conn_listen(nxt_task_t *task,
nxt_listen_socket_t *ls);
void nxt_event_conn_io_accept(nxt_task_t *task, void *obj, void *data);

72
src/nxt_event_conn_accept.c
View File

@@ -32,6 +32,53 @@ static void nxt_event_conn_listen_timer_handler(nxt_task_t *task, void *obj,
void *data);
nxt_event_conn_listen_t *
nxt_listen_event(nxt_task_t *task, nxt_listen_socket_t *ls)
{
nxt_event_engine_t *engine;
nxt_event_conn_listen_t *cls;
cls = nxt_zalloc(sizeof(nxt_event_conn_listen_t));
if (nxt_fast_path(cls != NULL)) {
cls->socket.fd = ls->socket;
engine = task->thread->engine;
cls->batch = engine->batch;
cls->socket.read_work_queue = &engine->accept_work_queue;
cls->socket.read_handler = nxt_event_conn_listen_handler;
cls->socket.error_handler = nxt_event_conn_listen_event_error;
cls->socket.log = &nxt_main_log;
cls->accept = engine->event.io->accept;
cls->listen = ls;
cls->work_queue = &engine->read_work_queue;
cls->timer.work_queue = &engine->fast_work_queue;
cls->timer.handler = nxt_event_conn_listen_timer_handler;
cls->timer.log = &nxt_main_log;
cls->task.thread = task->thread;
cls->task.log = &nxt_main_log;
cls->task.ident = nxt_task_next_ident();
cls->socket.task = &cls->task;
cls->timer.task = &cls->task;
if (nxt_event_conn_accept_alloc(task, cls) != NULL) {
nxt_fd_event_enable_accept(engine, &cls->socket);
nxt_queue_insert_head(&engine->listen_connections, &cls->link);
}
return cls;
}
return NULL;
}
nxt_int_t
nxt_event_conn_listen(nxt_task_t *task, nxt_listen_socket_t *ls)
{
@@ -97,13 +144,12 @@ nxt_event_conn_accept_alloc(nxt_task_t *task, nxt_event_conn_listen_t *cls)
/* This allocation cannot fail. */
c = nxt_event_conn_create(mp, cls->socket.task);
cls->socket.data = c;
cls->next = c;
c->socket.read_work_queue = cls->socket.read_work_queue;
c->socket.write_ready = 1;
c->listen = cls;
ls = cls->listen;
c->listen = ls;
/* This allocation cannot fail. */
remote = nxt_sockaddr_alloc(mp, ls->socklen, ls->address_length);
c->remote = remote;
@@ -146,7 +192,7 @@ nxt_event_conn_io_accept(nxt_task_t *task, void *obj, void *data)
nxt_event_conn_listen_t *cls;
cls = obj;
c = data;
c = cls->next;
cls->ready--;
cls->socket.read_ready = (cls->ready != 0);
@@ -200,17 +246,19 @@ nxt_event_conn_accept(nxt_task_t *task, nxt_event_conn_listen_t *cls,
nxt_queue_insert_head(&task->thread->engine->idle_connections, &c->link);
c->read_work_queue = c->listen->work_queue;
c->write_work_queue = c->listen->work_queue;
c->read_work_queue = cls->work_queue;
c->write_work_queue = cls->work_queue;
if (c->listen->read_after_accept) {
if (cls->listen->read_after_accept) {
//c->socket.read_ready = 1;
c->listen->handler(task, c, NULL);
// cls->listen->handler(task, c, cls->socket.data);
nxt_work_queue_add(c->read_work_queue, cls->listen->handler,
task, c, cls->socket.data);
} else {
nxt_work_queue_add(c->write_work_queue, c->listen->handler,
task, c, NULL);
nxt_work_queue_add(c->write_work_queue, cls->listen->handler,
task, c, cls->socket.data);
}
next = nxt_event_conn_accept_next(task, cls);
@@ -227,7 +275,7 @@ nxt_event_conn_accept_next(nxt_task_t *task, nxt_event_conn_listen_t *cls)
{
nxt_event_conn_t *c;
cls->socket.data = NULL;
cls->next = NULL;
do {
c = nxt_event_conn_accept_alloc(task, cls);
@@ -338,7 +386,7 @@ nxt_event_conn_listen_timer_handler(nxt_task_t *task, void *obj, void *data)
ev = obj;
cls = nxt_timer_data(ev, nxt_event_conn_listen_t, timer);
c = cls->socket.data;
c = cls->next;
if (c == NULL) {
c = nxt_event_conn_accept_next(task, cls);

4
src/nxt_event_engine.c
View File

@@ -44,9 +44,6 @@ nxt_event_engine_create(nxt_task_t *task,
engine->task.log = thread->log;
engine->task.ident = nxt_task_next_ident();
thread->engine = engine;
thread->fiber = &engine->fibers->fiber;
engine->batch = batch;
if (flags & NXT_ENGINE_FIBERS) {
@@ -121,6 +118,7 @@ nxt_event_engine_create(nxt_task_t *task,
engine->max_connections = 0xffffffff;
nxt_queue_init(&engine->joints);
nxt_queue_init(&engine->listen_connections);
nxt_queue_init(&engine->idle_connections);

10
src/nxt_event_engine.h
View File

@@ -354,6 +354,11 @@ nxt_fd_event_disable(engine, ev) \
(engine)->event.disable(engine, ev)
#define \
nxt_fd_event_delete(engine, ev) \
(engine)->event.delete(engine, ev)
#define \
nxt_fd_event_close(engine, ev) \
(engine)->event.close(engine, ev)
@@ -481,8 +486,13 @@ struct nxt_event_engine_s {
uint32_t connections;
uint32_t max_connections;
nxt_port_t *port;
nxt_mem_cache_pool_t *mem_pool;
nxt_queue_t joints;
nxt_queue_t listen_connections;
nxt_queue_t idle_connections;
nxt_queue_link_t link;
};

6
src/nxt_kqueue_engine.c
View File

@@ -522,6 +522,8 @@ nxt_kqueue_fd_error_handler(nxt_task_t *task, void *obj, void *data)
ev = obj;
nxt_debug(task, "kqueue fd error handler fd:%d", ev->fd);
if (ev->kq_eof && ev->kq_errno != 0) {
ev->error = ev->kq_errno;
nxt_log(task, nxt_socket_error_level(ev->kq_errno),
@@ -544,6 +546,8 @@ nxt_kqueue_file_error_handler(nxt_task_t *task, void *obj, void *data)
ev = obj;
nxt_debug(task, "kqueue file error handler fd:%d", ev->file->fd);
ev->handler(task, ev, data);
}
@@ -924,7 +928,7 @@ nxt_kqueue_event_conn_io_accept(nxt_task_t *task, void *obj, void *data)
nxt_event_conn_listen_t *cls;
cls = obj;
c = data;
c = cls->next;
cls->ready--;
cls->socket.read_ready = (cls->ready != 0);

3
src/nxt_listen_socket.h
View File

@@ -31,9 +31,8 @@ typedef struct {
uint8_t socklen;
uint8_t address_length;
uint32_t count;
uint32_t mem_pool_size;
void *servers;
} nxt_listen_socket_t;

1094
src/nxt_router.c
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File diff suppressed because it is too large Load Diff

78
src/nxt_router.h Normal file
View File

@@ -0,0 +1,78 @@
/*
* Copyright (C) Igor Sysoev
* Copyright (C) NGINX, Inc.
*/
#ifndef _NXT_ROUTER_H_INCLUDED_
#define _NXT_ROUTER_H_INCLUDED_
#include <nxt_main.h>
#include <nxt_runtime.h>
#include <nxt_master_process.h>
typedef struct {
nxt_thread_spinlock_t lock;
nxt_queue_t engines;
nxt_queue_t sockets;
} nxt_router_t;
typedef struct {
uint32_t count;
uint32_t threads;
nxt_router_t *router;
nxt_mem_pool_t *mem_pool;
} nxt_router_conf_t;
typedef struct {
nxt_event_engine_t *engine;
nxt_task_t task;
nxt_array_t *creating; /* of nxt_work_t */
nxt_array_t *updating; /* of nxt_work_t */
nxt_array_t *deleting; /* of nxt_work_t */
} nxt_router_engine_conf_t;
typedef struct {
nxt_queue_t creating;
nxt_queue_t pending;
nxt_queue_t updating;
nxt_queue_t keeping;
nxt_queue_t deleting;
uint32_t new_threads;
nxt_array_t *engines;
nxt_router_conf_t *conf;
nxt_mem_pool_t *mem_pool;
} nxt_router_temp_conf_t;
typedef struct {
uint32_t count;
nxt_listen_socket_t listen;
nxt_queue_link_t link;
nxt_router_conf_t *router_conf;
size_t header_buffer_size;
size_t large_header_buffer_size;
nxt_msec_t header_read_timeout;
} nxt_socket_conf_t;
typedef struct {
uint32_t count;
nxt_queue_link_t link;
nxt_event_engine_t *engine;
nxt_socket_conf_t *socket_conf;
/* Modules configuraitons. */
} nxt_socket_conf_joint_t;
#endif /* _NXT_ROUTER_H_INCLUDED_ */

31
src/nxt_runtime.c
View File

@@ -253,20 +253,10 @@ nxt_runtime_systemd_listen_sockets(nxt_task_t *task, nxt_runtime_t *rt)
static nxt_int_t
nxt_runtime_event_engines(nxt_task_t *task, nxt_runtime_t *rt)
{
nxt_event_engine_t *engine, **e;
nxt_thread_t *thread;
nxt_event_engine_t *engine;
const nxt_event_interface_t *interface;
rt->engines = nxt_array_create(rt->mem_pool, 1,
sizeof(nxt_event_engine_t *));
if (nxt_slow_path(rt->engines == NULL)) {
return NXT_ERROR;
}
e = nxt_array_add(rt->engines);
if (nxt_slow_path(e == NULL)) {
return NXT_ERROR;
}
interface = nxt_service_get(rt->services, "engine", NULL);
if (nxt_slow_path(interface == NULL)) {
@@ -281,8 +271,14 @@ nxt_runtime_event_engines(nxt_task_t *task, nxt_runtime_t *rt)
return NXT_ERROR;
}
thread = task->thread;
thread->engine = engine;
thread->fiber = &engine->fibers->fiber;
engine->id = rt->last_engine_id++;
*e = engine;
nxt_queue_init(&rt->engines);
nxt_queue_insert_tail(&rt->engines, &engine->link);
return NXT_OK;
}
@@ -587,12 +583,13 @@ nxt_runtime_event_engine_change(nxt_task_t *task, nxt_runtime_t *rt)
void
nxt_runtime_event_engine_free(nxt_runtime_t *rt)
{
nxt_event_engine_t *engine, **engines;
nxt_queue_link_t *link;
nxt_event_engine_t *engine;
engines = rt->engines->elts;
engine = engines[0];
nxt_array_remove(rt->engines, &engines[0]);
link = nxt_queue_first(&rt->engines);
nxt_queue_remove(link);
engine = nxt_queue_link_data(link, nxt_event_engine_t, link);
nxt_event_engine_free(engine);
}

4
src/nxt_runtime.h
View File

@@ -19,7 +19,7 @@ struct nxt_runtime_s {
nxt_array_t *listen_sockets; /* of nxt_listen_socket_t */
nxt_array_t *services; /* of nxt_service_t */
nxt_array_t *engines; /* of nxt_event_engine_t */
void *data;
nxt_runtime_cont_t start;
@@ -61,6 +61,8 @@ struct nxt_runtime_s {
const char *pid;
const char *error_log;
nxt_queue_t engines; /* of nxt_event_engine_t */
nxt_sockaddr_t *controller_listen;
nxt_listen_socket_t *controller_socket;
nxt_str_t upstream;

2
src/nxt_signal.c
View File

@@ -141,7 +141,7 @@ nxt_signal_thread_start(nxt_event_engine_t *engine)
if (nxt_fast_path(link != NULL)) {
link->start = nxt_signal_thread;
link->data = engine;
link->work.data = engine;
if (nxt_thread_create(&engine->signals->thread, link) == NXT_OK) {
engine->signals->process = nxt_pid;

14
src/nxt_thread.c
View File

@@ -114,9 +114,9 @@ nxt_thread_trampoline(void *data)
pthread_cleanup_push(nxt_thread_time_cleanup, thr);
start = link->start;
data = link->data;
data = link->work.data;
if (link->engine != NULL) {
if (link->work.handler != NULL) {
thr->link = link;
} else {
@@ -180,7 +180,8 @@ nxt_thread_time_cleanup(void *data)
void
nxt_thread_exit(nxt_thread_t *thr)
{
nxt_thread_link_t *link;
nxt_thread_link_t *link;
nxt_event_engine_t *engine;
nxt_log_debug(thr->log, "thread exit");
@@ -189,13 +190,14 @@ nxt_thread_exit(nxt_thread_t *thr)
if (link != NULL) {
/*
* link->handler is already set to an exit handler,
* and link->task is already set to engine->task.
* link->work.handler is already set to an exit handler,
* and link->work.task is already set to the correct engine->task.
* The link should be freed by the exit handler.
*/
link->work.obj = (void *) (uintptr_t) thr->handle;
engine = nxt_container_of(link->work.task, nxt_event_engine_t, task);
nxt_event_engine_post(link->engine, &link->work);
nxt_event_engine_post(engine, &link->work);
}
nxt_thread_time_free(thr);

2
src/nxt_thread.h
View File

@@ -90,7 +90,6 @@ typedef void (*nxt_thread_start_t)(void *data);
typedef struct {
nxt_thread_start_t start;
void *data;
nxt_event_engine_t *engine;
nxt_work_t work;
} nxt_thread_link_t;
@@ -180,6 +179,7 @@ struct nxt_thread_s {
nxt_runtime_t *runtime;
nxt_event_engine_t *engine;
void *data;
/*
* Although pointer to a current fiber should be a property of

43
src/nxt_thread_pool.c
View File

@@ -10,6 +10,7 @@
static nxt_int_t nxt_thread_pool_init(nxt_thread_pool_t *tp);
static void nxt_thread_pool_exit(nxt_task_t *task, void *obj, void *data);
static void nxt_thread_pool_start(void *ctx);
static void nxt_thread_pool_loop(void *ctx);
static void nxt_thread_pool_wait(nxt_thread_pool_t *tp);
@@ -86,13 +87,8 @@ nxt_thread_pool_init(nxt_thread_pool_t *tp)
if (nxt_fast_path(link != NULL)) {
link->start = nxt_thread_pool_start;
link->data = tp;
link->engine = tp->engine;
/*
* link->exit is not used. link->engine is used just to
* set thr->link by nxt_thread_trampoline() and the link
* is a mark of the first thread of pool.
*/
link->work.data = tp;
if (nxt_thread_create(&handle, link) == NXT_OK) {
tp->ready = 1;
goto done;
@@ -117,6 +113,22 @@ done:
static void
nxt_thread_pool_start(void *ctx)
{
nxt_thread_t *thr;
nxt_thread_pool_t *tp;
tp = ctx;
thr = nxt_thread();
tp->main = thr->handle;
tp->task.thread = thr;
nxt_thread_pool_loop(ctx);
}
static void
nxt_thread_pool_loop(void *ctx)
{
void *obj, *data;
nxt_task_t *task;
@@ -127,17 +139,6 @@ nxt_thread_pool_start(void *ctx)
tp = ctx;
thr = nxt_thread();
if (thr->link != NULL) {
/* Only the first thread has a link. */
tp->main = thr->handle;
nxt_free(thr->link);
thr->link = NULL;
tp->task.thread = thr;
}
thr->thread_pool = tp;
if (tp->init != NULL) {
tp->init();
}
@@ -215,8 +216,8 @@ nxt_thread_pool_wait(nxt_thread_pool_t *tp)
link = nxt_zalloc(sizeof(nxt_thread_link_t));
if (nxt_fast_path(link != NULL)) {
link->start = nxt_thread_pool_start;
link->data = tp;
link->start = nxt_thread_pool_loop;
link->work.data = tp;
if (nxt_thread_create(&handle, link) != NXT_OK) {
(void) nxt_atomic_fetch_add(&tp->threads, -1);
@@ -232,6 +233,8 @@ nxt_thread_pool_destroy(nxt_thread_pool_t *tp)
thr = nxt_thread();
nxt_log_debug(thr->log, "thread pool destroy: %d", tp->ready);
if (!tp->ready) {
nxt_work_queue_add(&thr->engine->fast_work_queue, tp->exit,
&tp->task, tp, NULL);

2
src/nxt_thread_time.c
View File

@@ -123,7 +123,7 @@ nxt_time_thread_start(nxt_msec_t interval)
if (nxt_fast_path(link != NULL)) {
link->start = nxt_time_thread;
link->data = (void *) (uintptr_t) interval;
link->work.data = (void *) (uintptr_t) interval;
(void) nxt_thread_create(&handle, link);
}