urbit/outside/libuv/test/test-watcher-cross-stop.c
~hatteb-mitlyd f8a73b2625 Add 'outside/libuv/' from commit 'd778dc588507588b12b9f9d2905078db542ed751'
git-subtree-dir: outside/libuv
git-subtree-mainline: 8284e3540e0cd1f056386d61084a7e643b762afc
git-subtree-split: d778dc588507588b12b9f9d2905078db542ed751
2014-04-01 14:10:46 -07:00

109 lines
3.2 KiB
C

/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#include "uv.h"
#include "task.h"
#include <string.h>
#include <errno.h>
#if !defined(_WIN32)
#include <sys/time.h>
#include <sys/resource.h> /* setrlimit() */
#endif
/* NOTE: Number should be big enough to trigger this problem */
static uv_udp_t sockets[2500];
static uv_udp_send_t reqs[ARRAY_SIZE(sockets)];
static char buf[1];
static unsigned int recv_cb_called;
static unsigned int send_cb_called;
static unsigned int close_cb_called;
static uv_buf_t alloc_cb(uv_handle_t* handle, size_t suggested_size) {
return uv_buf_init(buf, sizeof(buf));
}
static void recv_cb(uv_udp_t* handle,
ssize_t nread,
uv_buf_t buf,
struct sockaddr* addr,
unsigned flags) {
recv_cb_called++;
}
static void send_cb(uv_udp_send_t* req, int status) {
send_cb_called++;
}
static void close_cb(uv_handle_t* handle) {
close_cb_called++;
}
TEST_IMPL(watcher_cross_stop) {
uv_loop_t* loop = uv_default_loop();
unsigned int i;
struct sockaddr_in addr;
uv_buf_t buf;
char big_string[1024];
#if !defined(_WIN32)
{
struct rlimit lim;
lim.rlim_cur = ARRAY_SIZE(sockets) + 32;
lim.rlim_max = ARRAY_SIZE(sockets) + 32;
if (setrlimit(RLIMIT_NOFILE, &lim))
RETURN_SKIP("File descriptor limit too low.");
}
#endif
addr = uv_ip4_addr("127.0.0.1", TEST_PORT);
memset(big_string, 'A', sizeof(big_string));
buf = uv_buf_init(big_string, sizeof(big_string));
for (i = 0; i < ARRAY_SIZE(sockets); i++) {
ASSERT(0 == uv_udp_init(loop, &sockets[i]));
ASSERT(0 == uv_udp_bind(&sockets[i], addr, 0));
ASSERT(0 == uv_udp_recv_start(&sockets[i], alloc_cb, recv_cb));
ASSERT(0 == uv_udp_send(&reqs[i], &sockets[i], &buf, 1, addr, send_cb));
}
while (recv_cb_called == 0)
uv_run(loop, UV_RUN_ONCE);
for (i = 0; i < ARRAY_SIZE(sockets); i++)
uv_close((uv_handle_t*) &sockets[i], close_cb);
ASSERT(0 < recv_cb_called && recv_cb_called <= ARRAY_SIZE(sockets));
ASSERT(ARRAY_SIZE(sockets) == send_cb_called);
uv_run(loop, UV_RUN_DEFAULT);
ASSERT(ARRAY_SIZE(sockets) == close_cb_called);
MAKE_VALGRIND_HAPPY();
return 0;
}