static void connect_cb(uv_connect_t* req, int status) {
int r;
uv_buf_t buf;
ASSERT(req == &ctx.connect_req);
ASSERT(status == 0);
buf = uv_buf_init(".", 1);
r = uv_write2(&ctx.write_req,
(uv_stream_t*)&ctx.channel,
&buf, 1,
&ctx.send.stream,
NULL);
ASSERT(r == 0);
/* Perform two writes to the same pipe to make sure that on Windows we are
* not running into issue 505:
* https://github.com/libuv/libuv/issues/505 */
buf = uv_buf_init(".", 1);
r = uv_write2(&ctx.write_req2,
(uv_stream_t*)&ctx.channel,
&buf, 1,
&ctx.send2.stream,
NULL);
ASSERT(r == 0);
r = uv_read_start((uv_stream_t*)&ctx.channel, alloc_cb, recv_cb);
ASSERT(r == 0);
}
static int luv_write2(lua_State* L) {
uv_stream_t* handle = luv_check_stream(L, 1);
uv_write_t* req;
int ret, ref;
uv_stream_t* send_handle;
send_handle = luv_check_stream(L, 3);
ref = luv_check_continuation(L, 4);
req = lua_newuserdata(L, sizeof(*req));
req->data = luv_setup_req(L, ref);
if (lua_istable(L, 2)) {
size_t count;
uv_buf_t *bufs = luv_prep_bufs(L, 2, &count);
ret = uv_write2(req, handle, bufs, count, send_handle, luv_write_cb);
free(bufs);
}
else if (lua_isstring(L, 2)) {
uv_buf_t buf;
luv_check_buf(L, 2, &buf);
ret = uv_write2(req, handle, &buf, 1, send_handle, luv_write_cb);
}
else {
return luaL_argerror(L, 2, "data must be string or table of strings");
}
if (ret < 0) {
lua_pop(L, 1);
return luv_error(L, ret);
}
lua_pushvalue(L, 2);
((luv_req_t*)req->data)->data_ref = luaL_ref(L, LUA_REGISTRYINDEX);
return 1;
}
int ipc_helper_bind_twice(void) {
/*
* This is launched from test-ipc.c. stdin is a duplex channel
* over which two handles will be transmitted.
*/
struct sockaddr_in addr;
uv_write_t write_req;
uv_write_t write_req2;
int r;
uv_buf_t buf;
uv_os_fd_t stdin_handle = uv_convert_fd_to_handle(0);
ASSERT(0 == uv_ip4_addr("0.0.0.0", TEST_PORT, &addr));
r = uv_pipe_init(uv_default_loop(), &channel, 1);
ASSERT(r == 0);
uv_pipe_open(&channel, stdin_handle);
ASSERT(1 == uv_is_readable((uv_stream_t*) &channel));
ASSERT(1 == uv_is_writable((uv_stream_t*) &channel));
ASSERT(0 == uv_is_closing((uv_handle_t*) &channel));
buf = uv_buf_init("hello\n", 6);
r = uv_tcp_init(uv_default_loop(), &tcp_server);
ASSERT(r == 0);
r = uv_tcp_init(uv_default_loop(), &tcp_server2);
ASSERT(r == 0);
r = uv_tcp_bind(&tcp_server, (const struct sockaddr*) &addr, 0);
ASSERT(r == 0);
r = uv_tcp_bind(&tcp_server2, (const struct sockaddr*) &addr, 0);
ASSERT(r == 0);
r = uv_write2(&write_req, (uv_stream_t*)&channel, &buf, 1,
(uv_stream_t*)&tcp_server, NULL);
ASSERT(r == 0);
r = uv_write2(&write_req2, (uv_stream_t*)&channel, &buf, 1,
(uv_stream_t*)&tcp_server2, NULL);
ASSERT(r == 0);
r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
ASSERT(r == 0);
MAKE_VALGRIND_HAPPY();
return 0;
}
static int run_test(void) {
uv_process_t process;
uv_buf_t buf;
int r;
spawn_helper(&ctx.channel, &process, "ipc_send_recv_helper");
buf = uv_buf_init(".", 1);
r = uv_write2(&ctx.write_req,
(uv_stream_t*)&ctx.channel,
&buf, 1,
&ctx.send.stream,
NULL);
ASSERT(r == 0);
r = uv_read2_start((uv_stream_t*)&ctx.channel, alloc_cb, recv_cb);
ASSERT(r == 0);
r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
ASSERT(r == 0);
ASSERT(num_recv_handles == 1);
return 0;
}
static void ipc_on_connection(uv_stream_t* server, int status) {
int r;
uv_buf_t buf;
uv_tcp_t* conn;
if (!connection_accepted) {
/*
* Accept the connection and close it. Also let the other
* side know.
*/
ASSERT(status == 0);
ASSERT((uv_stream_t*)&tcp_server == server);
conn = malloc(sizeof(*conn));
ASSERT(conn);
r = uv_tcp_init(server->loop, conn);
ASSERT(r == 0);
r = uv_accept(server, (uv_stream_t*)conn);
ASSERT(r == 0);
uv_close((uv_handle_t*)conn, close_conn_cb);
buf = uv_buf_init("accepted_connection\n", 20);
r = uv_write2(&conn_notify_req, (uv_stream_t*)&channel, &buf, 1,
NULL, conn_notify_write_cb);
ASSERT(r == 0);
connection_accepted = 1;
}
}
void ipc_connection_cb(uv_stream_t* ipc_pipe, int status)
{
int rc;
struct ipc_server_ctx* sc;
struct ipc_peer_ctx* pc;
uv_loop_t* loop;
uv_buf_t buf;
loop = ipc_pipe->loop;
buf = uv_buf_init("PING", 4);
sc = container_of(ipc_pipe, struct ipc_server_ctx, ipc_pipe);
pc = calloc(1, sizeof(*pc));
//ASSERT(pc != NULL);
if (ipc_pipe->type == UV_TCP)
rc = uv_tcp_init(loop, (uv_tcp_t*) &pc->peer_handle);
else if (ipc_pipe->type == UV_NAMED_PIPE)
rc = uv_pipe_init(loop, (uv_pipe_t*) &pc->peer_handle, 1);
rc = uv_accept(ipc_pipe, (uv_stream_t*) &pc->peer_handle);
rc = uv_write2(&pc->write_req,
(uv_stream_t*) &pc->peer_handle,
&buf,
1,
(uv_stream_t*) &sc->server_handle,
ipc_write_cb);
if (--sc->num_connects == 0)
uv_close((uv_handle_t*) ipc_pipe, NULL);
}
void connection_cb(uv_stream_t *server, int status) {
int r;
if (status) {
fprintf(stderr, "connection error %d", status);
return;
}
// main diff between uv_tcp_t and uv_pipe_t is the ipc flag and the pipe_fname pointing to local sock file
uv_pipe_t *client = (uv_pipe_t*) malloc(sizeof(uv_pipe_t));
uv_pipe_init(loop, client, NOIPC);
r = uv_accept(server, (uv_stream_t*) client);
if (r == 0) {
uv_write_t *write_req = (uv_write_t*) malloc(sizeof(uv_write_t));
dummy_buf = uv_buf_init(".", 1);
struct child_worker *worker = &workers[round_robin_counter];
// Extended write function for sending handles over a pipe
// https://github.com/thlorenz/libuv-dox/blob/master/methods.md#uv_write2
uv_write2(write_req, (uv_stream_t*) &worker->pipe, &dummy_buf, 1 /*nbufs*/, (uv_stream_t*) client, NULL);
round_robin_counter = (round_robin_counter + 1) % child_worker_count;
} else {
uv_close((uv_handle_t*) client, NULL);
}
}
static void read2_cb(uv_pipe_t* handle,
ssize_t nread,
const uv_buf_t* rdbuf,
uv_handle_type pending) {
uv_buf_t wrbuf;
int r;
ASSERT(pending == UV_NAMED_PIPE || pending == UV_TCP);
ASSERT(handle == &ctx.channel);
ASSERT(nread >= 0);
wrbuf = uv_buf_init(".", 1);
if (pending == UV_NAMED_PIPE)
r = uv_pipe_init(ctx.channel.loop, &ctx.recv.pipe, 0);
else if (pending == UV_TCP)
r = uv_tcp_init(ctx.channel.loop, &ctx.recv.tcp);
else
abort();
ASSERT(r == 0);
r = uv_accept((uv_stream_t*)handle, &ctx.recv.stream);
ASSERT(r == 0);
r = uv_write2(&ctx.write_req,
(uv_stream_t*)&ctx.channel,
&wrbuf,
1,
&ctx.recv.stream,
write2_cb);
ASSERT(r == 0);
}
static void ipc_on_connection_tcp_conn(uv_stream_t* server, int status) {
int r;
uv_buf_t buf;
uv_tcp_t* conn;
ASSERT(status == 0);
ASSERT((uv_stream_t*)&tcp_server == server);
conn = malloc(sizeof(*conn));
ASSERT(conn);
r = uv_tcp_init(server->loop, conn);
ASSERT(r == 0);
r = uv_accept(server, (uv_stream_t*)conn);
ASSERT(r == 0);
/* Send the accepted connection to the other process */
buf = uv_buf_init("hello\n", 6);
r = uv_write2(&conn_notify_req, (uv_stream_t*)&channel, &buf, 1,
(uv_stream_t*)conn, NULL);
ASSERT(r == 0);
r = uv_read_start((uv_stream_t*) conn,
on_read_alloc,
on_tcp_child_process_read);
ASSERT(r == 0);
uv_close((uv_handle_t*)conn, close_cb);
}
/* The buffers to be written must remain valid until the callback is called.
* This is not required for the uv_buf_t array.
*/
int uv_write(uv_write_t* req,
uv_stream_t* handle,
const uv_buf_t bufs[],
unsigned int nbufs,
uv_write_cb cb) {
return uv_write2(req, handle, bufs, nbufs, NULL, cb);
}
static void read_cb(uv_stream_t* handle,
ssize_t nread,
const uv_buf_t* rdbuf) {
uv_buf_t wrbuf;
uv_pipe_t* pipe;
uv_handle_type pending;
int r;
union handles* recv;
uv_write_t* write_req;
if (nread == UV_EOF || nread == UV_ECONNABORTED) {
return;
}
pipe = (uv_pipe_t*) handle;
do {
if (++read_cb_count == 2) {
recv = &ctx2.recv;
write_req = &ctx2.write_req;
} else {
recv = &ctx2.recv2;
write_req = &ctx2.write_req2;
}
ASSERT(pipe == &ctx2.channel);
ASSERT(nread >= 0);
ASSERT(uv_pipe_pending_count(pipe) > 0);
pending = uv_pipe_pending_type(pipe);
ASSERT(pending == UV_NAMED_PIPE || pending == UV_TCP);
if (pending == UV_NAMED_PIPE)
r = uv_pipe_init(ctx2.channel.loop, &recv->pipe, 0);
else if (pending == UV_TCP)
r = uv_tcp_init(ctx2.channel.loop, &recv->tcp);
else
abort();
ASSERT(r == 0);
r = uv_accept(handle, &recv->stream);
ASSERT(r == 0);
wrbuf = uv_buf_init(".", 1);
r = uv_write2(write_req,
(uv_stream_t*)&ctx2.channel,
&wrbuf,
1,
&recv->stream,
write2_cb);
ASSERT(r == 0);
ASSERT(write_req->send_handle == &recv->stream);
} while (uv_pipe_pending_count(pipe) > 0);
}
static PyObject *
pyuv__stream_write_bytes(Stream *self, PyObject *data, PyObject *callback, PyObject *send_handle)
{
int err;
uv_buf_t buf;
stream_write_ctx *ctx;
Py_buffer *view;
ctx = PyMem_Malloc(sizeof *ctx);
if (!ctx) {
PyErr_NoMemory();
return NULL;
}
ctx->views = ctx->viewsml;
view = &ctx->views[0];
if (PyObject_GetBuffer(data, view, PyBUF_SIMPLE) != 0) {
PyMem_Free(ctx);
return NULL;
}
ctx->view_count = 1;
ctx->obj = self;
ctx->callback = callback;
ctx->send_handle = send_handle;
Py_INCREF(callback);
Py_XINCREF(send_handle);
buf = uv_buf_init(view->buf, view->len);
if (send_handle != NULL) {
ASSERT(UV_HANDLE(self)->type == UV_NAMED_PIPE);
err = uv_write2(&ctx->req, (uv_stream_t *)UV_HANDLE(self), &buf, 1, (uv_stream_t *)UV_HANDLE(send_handle), pyuv__stream_write_cb);
} else {
err = uv_write(&ctx->req, (uv_stream_t *)UV_HANDLE(self), &buf, 1, pyuv__stream_write_cb);
}
if (err < 0) {
RAISE_STREAM_EXCEPTION(err, UV_HANDLE(self));
Py_DECREF(callback);
Py_XDECREF(send_handle);
PyBuffer_Release(view);
PyMem_Free(ctx);
return NULL;
}
/* Increase refcount so that object is not removed before the callback is called */
Py_INCREF(self);
Py_RETURN_NONE;
}
int ipc_helper(int listen_after_write) {
/*
* This is launched from test-ipc.c. stdin is a duplex channel that we
* over which a handle will be transmitted.
*/
struct sockaddr_in addr;
uv_write_t write_req;
int r;
uv_buf_t buf;
uv_os_fd_t stdin_handle = uv_convert_fd_to_handle(0);
ASSERT(0 == uv_ip4_addr("0.0.0.0", TEST_PORT, &addr));
r = uv_pipe_init(uv_default_loop(), &channel, 1);
ASSERT(r == 0);
uv_pipe_open(&channel, stdin_handle);
ASSERT(1 == uv_is_readable((uv_stream_t*) &channel));
ASSERT(1 == uv_is_writable((uv_stream_t*) &channel));
ASSERT(0 == uv_is_closing((uv_handle_t*) &channel));
r = uv_tcp_init(uv_default_loop(), &tcp_server);
ASSERT(r == 0);
r = uv_tcp_bind(&tcp_server, (const struct sockaddr*) &addr, 0);
ASSERT(r == 0);
if (!listen_after_write) {
r = uv_listen((uv_stream_t*)&tcp_server, BACKLOG, ipc_on_connection);
ASSERT(r == 0);
}
buf = uv_buf_init("hello\n", 6);
r = uv_write2(&write_req, (uv_stream_t*)&channel, &buf, 1,
(uv_stream_t*)&tcp_server, NULL);
ASSERT(r == 0);
if (listen_after_write) {
r = uv_listen((uv_stream_t*)&tcp_server, BACKLOG, ipc_on_connection);
ASSERT(r == 0);
}
r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
ASSERT(r == 0);
ASSERT(connection_accepted == 1);
ASSERT(close_cb_called == 3);
MAKE_VALGRIND_HAPPY();
return 0;
}
int ipc_helper_closed_handle(void) {
int r;
struct sockaddr_in addr;
uv_write_t write_req;
uv_write_t write_req2;
uv_buf_t buf;
char buffer[LARGE_SIZE];
r = uv_pipe_init(uv_default_loop(), &channel, 1);
ASSERT(r == 0);
uv_pipe_open(&channel, 0);
ASSERT(1 == uv_is_readable((uv_stream_t*) &channel));
ASSERT(1 == uv_is_writable((uv_stream_t*) &channel));
ASSERT(0 == uv_is_closing((uv_handle_t*) &channel));
memset(buffer, '.', LARGE_SIZE);
buf = uv_buf_init(buffer, LARGE_SIZE);
r = uv_tcp_init(uv_default_loop(), &tcp_server);
ASSERT(r == 0);
ASSERT(0 == uv_ip4_addr("0.0.0.0", TEST_PORT, &addr));
r = uv_tcp_bind(&tcp_server, (const struct sockaddr*) &addr, 0);
ASSERT(r == 0);
r = uv_write(&write_req,
(uv_stream_t*)&channel,
&buf,
1,
closed_handle_large_write_cb);
ASSERT(r == 0);
r = uv_write2(&write_req2,
(uv_stream_t*)&channel,
&buf,
1,
(uv_stream_t*)&tcp_server,
closed_handle_write_cb);
ASSERT(r == 0);
uv_close((uv_handle_t*)&tcp_server, NULL);
r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
ASSERT(r == 0);
MAKE_VALGRIND_HAPPY();
return 0;
}
static int ipc_helper(int listen_after_write) {
/*
* This is launched from test-ipc.c. stdin is a duplex channel that we
* over which a handle will be transmitted. In this initial version only
* data is transfered over the channel. XXX edit this comment after handle
* transfer is added.
*/
uv_write_t write_req;
int r;
uv_buf_t buf;
r = uv_pipe_init(uv_default_loop(), &channel, 1);
ASSERT(r == 0);
uv_pipe_open(&channel, 0);
ASSERT(uv_is_readable(&channel));
ASSERT(uv_is_writable(&channel));
r = uv_tcp_init(uv_default_loop(), &tcp_server);
ASSERT(r == 0);
r = uv_tcp_bind(&tcp_server, uv_ip4_addr("0.0.0.0", TEST_PORT));
ASSERT(r == 0);
if (!listen_after_write) {
r = uv_listen((uv_stream_t*)&tcp_server, 12, ipc_on_connection);
ASSERT(r == 0);
}
buf = uv_buf_init("hello\n", 6);
r = uv_write2(&write_req, (uv_stream_t*)&channel, &buf, 1,
(uv_stream_t*)&tcp_server, NULL);
ASSERT(r == 0);
if (listen_after_write) {
r = uv_listen((uv_stream_t*)&tcp_server, 12, ipc_on_connection);
ASSERT(r == 0);
}
r = uv_run(uv_default_loop());
ASSERT(r == 0);
ASSERT(connection_accepted == 1);
ASSERT(close_cb_called == 3);
return 0;
}
int ipc_helper(int listen_after_write) {
/*
* This is launched from test-ipc.c. stdin is a duplex channel that we
* over which a handle will be transmitted.
*/
uv_write_t write_req;
int r;
uv_buf_t buf;
r = uv_pipe_init(uv_default_loop(), &channel, 1);
ASSERT(r == 0);
uv_pipe_open(&channel, 0);
ASSERT(uv_is_readable((uv_stream_t*) &channel));
ASSERT(uv_is_writable((uv_stream_t*) &channel));
ASSERT(!uv_is_closing((uv_handle_t*) &channel));
r = uv_tcp_init(uv_default_loop(), &tcp_server);
ASSERT(r == 0);
r = uv_tcp_bind(&tcp_server, uv_ip4_addr("0.0.0.0", TEST_PORT));
ASSERT(r == 0);
if (!listen_after_write) {
r = uv_listen((uv_stream_t*)&tcp_server, 12, ipc_on_connection);
ASSERT(r == 0);
}
buf = uv_buf_init("hello\n", 6);
r = uv_write2(&write_req, (uv_stream_t*)&channel, &buf, 1,
(uv_stream_t*)&tcp_server, NULL);
ASSERT(r == 0);
if (listen_after_write) {
r = uv_listen((uv_stream_t*)&tcp_server, 12, ipc_on_connection);
ASSERT(r == 0);
}
r = uv_run(uv_default_loop());
ASSERT(r == 0);
ASSERT(connection_accepted == 1);
ASSERT(close_cb_called == 3);
MAKE_VALGRIND_HAPPY();
return 0;
}
void on_new_connection(uv_stream_t *server, int status) {
if (status == -1) {
// error!
return;
}
uv_tcp_t *client = (uv_tcp_t*) malloc(sizeof(uv_tcp_t));
uv_tcp_init(loop, client);
if (uv_accept(server, (uv_stream_t*) client) == 0) {
uv_write_t *write_req = (uv_write_t*) malloc(sizeof(uv_write_t));
dummy_buf = uv_buf_init(".", 1);
struct child_worker *worker = &workers[round_robin_counter];
uv_write2(write_req, (uv_stream_t*) &worker->pipe, &dummy_buf, 1, (uv_stream_t*) client, NULL);
round_robin_counter = (round_robin_counter + 1) % child_worker_count;
}
else {
uv_close((uv_handle_t*) client, NULL);
}
}
static INLINE PyObject *
pyuv_stream_write(Stream *self, stream_write_ctx *ctx, Py_buffer *views, uv_buf_t *bufs, int buf_count, PyObject *callback, PyObject *send_handle)
{
int i, err;
Py_INCREF(callback);
Py_XINCREF(send_handle);
ctx->obj = self;
ctx->callback = callback;
ctx->send_handle = send_handle;
ctx->views = views;
ctx->view_count = buf_count;
if (send_handle) {
err = uv_write2(&ctx->req, (uv_stream_t *)UV_HANDLE(self), bufs, buf_count, (uv_stream_t *)UV_HANDLE(send_handle), on_stream_write);
} else {
err = uv_write(&ctx->req, (uv_stream_t *)UV_HANDLE(self), bufs, buf_count, on_stream_write);
}
if (err < 0) {
RAISE_STREAM_EXCEPTION(err, UV_HANDLE(self));
goto error;
}
/* Increase refcount so that object is not removed before the callback is called */
Py_INCREF(self);
Py_RETURN_NONE;
error:
Py_DECREF(callback);
Py_XDECREF(send_handle);
for (i = 0; i < buf_count; i++) {
PyBuffer_Release(&views[i]);
}
if (ctx->views != ctx->view) {
PyMem_Free(views);
}
PyMem_Free(ctx);
return NULL;
}
static int couv_write2(lua_State *L) {
uv_write_t *req;
uv_stream_t *handle;
uv_buf_t *bufs;
size_t bufcnt;
uv_stream_t *send_handle;
int r;
handle = couvL_checkudataclass(L, 1, COUV_STREAM_MTBL_NAME);
bufs = couv_checkbuforstrtable(L, 2, &bufcnt);
send_handle = couvL_checkudataclass(L, 3, COUV_STREAM_MTBL_NAME);
req = couv_alloc(L, sizeof(uv_write_t));
req->data = bufs;
r = uv_write2(req, handle, bufs, (int)bufcnt, send_handle, write_cb);
if (r < 0) {
luaL_error(L, couvL_uv_lasterrname(couv_loop(L)));
}
return lua_yield(L, 0);
}
static PyObject *
pyuv__stream_write_sequence(Stream *self, PyObject *data, PyObject *callback, PyObject *send_handle)
{
int err;
stream_write_ctx *ctx;
PyObject *data_fast, *item;
Py_ssize_t i, j, buf_count;
data_fast = PySequence_Fast(data, "data must be an iterable");
if (data_fast == NULL)
return NULL;
buf_count = PySequence_Fast_GET_SIZE(data_fast);
if (buf_count > INT_MAX) {
PyErr_SetString(PyExc_ValueError, "iterable is too long");
Py_DECREF(data_fast);
return NULL;
}
if (buf_count == 0) {
PyErr_SetString(PyExc_ValueError, "iterable is empty");
Py_DECREF(data_fast);
return NULL;
}
ctx = PyMem_Malloc(sizeof *ctx);
if (!ctx) {
PyErr_NoMemory();
Py_DECREF(data_fast);
return NULL;
}
ctx->views = ctx->viewsml;
if (buf_count > ARRAY_SIZE(ctx->viewsml))
ctx->views = PyMem_Malloc(sizeof(Py_buffer) * buf_count);
if (!ctx->views) {
PyErr_NoMemory();
PyMem_Free(ctx);
Py_DECREF(data_fast);
return NULL;
}
ctx->view_count = buf_count;
{
STACK_ARRAY(uv_buf_t, bufs, buf_count);
for (i = 0; i < buf_count; i++) {
item = PySequence_Fast_GET_ITEM(data_fast, i);
if (PyObject_GetBuffer(item, &ctx->views[i], PyBUF_SIMPLE) != 0)
goto error;
bufs[i].base = ctx->views[i].buf;
bufs[i].len = ctx->views[i].len;
}
ctx->obj = self;
ctx->callback = callback;
ctx->send_handle = send_handle;
Py_INCREF(callback);
Py_XINCREF(send_handle);
if (send_handle != NULL) {
ASSERT(UV_HANDLE(self)->type == UV_NAMED_PIPE);
err = uv_write2(&ctx->req, (uv_stream_t *)UV_HANDLE(self), bufs, buf_count, (uv_stream_t *)UV_HANDLE(send_handle), pyuv__stream_write_cb);
} else {
err = uv_write(&ctx->req, (uv_stream_t *)UV_HANDLE(self), bufs, buf_count, pyuv__stream_write_cb);
}
}
if (err < 0) {
RAISE_STREAM_EXCEPTION(err, UV_HANDLE(self));
Py_DECREF(callback);
Py_XDECREF(send_handle);
goto error;
}
/* Increase refcount so that object is not removed before the callback is called */
Py_INCREF(self);
Py_RETURN_NONE;
error:
for (j = 0; j < i; j++)
PyBuffer_Release(&ctx->views[j]);
if (ctx->views != ctx->viewsml)
PyMem_Free(ctx->views);
PyMem_Free(ctx);
Py_XDECREF(data_fast);
return NULL;
}
/* The buffers to be written must remain valid until the callback is called.
* This is not required for the uv_buf_t array.
*/
int uv_write(uv_write_t* req, uv_stream_t* stream, uv_buf_t bufs[], int bufcnt,
uv_write_cb cb) {
return uv_write2(req, stream, bufs, bufcnt, NULL, cb);
}
