2c793cef06
Allows resolving the Y2K38 problem. Closes: IDF-350 Closes: https://github.com/espressif/esp-idf/issues/584
64 lines
2 KiB
C
64 lines
2 KiB
C
// Copyright 2018 Espressif Systems (Shanghai) PTE LTD
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
#include <sys/select.h>
|
|
#include "esp_vfs.h"
|
|
#include "sdkconfig.h"
|
|
|
|
#ifdef CONFIG_LWIP_USE_ONLY_LWIP_SELECT
|
|
#include "lwip/sockets.h"
|
|
|
|
#ifdef CONFIG_VFS_SUPPRESS_SELECT_DEBUG_OUTPUT
|
|
#define LOG_LOCAL_LEVEL ESP_LOG_NONE
|
|
#endif //CONFIG_VFS_SUPPRESS_SELECT_DEBUG_OUTPUT
|
|
#include "esp_log.h"
|
|
|
|
static const char *TAG = "newlib_select";
|
|
|
|
static void log_fd_set(const char *fds_name, const fd_set *fds)
|
|
{
|
|
if (fds_name && fds) {
|
|
ESP_LOGD(TAG, "FDs in %s =", fds_name);
|
|
for (int i = 0; i < MAX_FDS; ++i) {
|
|
if (FD_ISSET(i, fds)) {
|
|
ESP_LOGD(TAG, "%d", i);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
#endif //CONFIG_LWIP_USE_ONLY_LWIP_SELECT
|
|
|
|
int select(int nfds, fd_set *readfds, fd_set *writefds, fd_set *errorfds, struct timeval *timeout)
|
|
{
|
|
#ifdef CONFIG_LWIP_USE_ONLY_LWIP_SELECT
|
|
ESP_LOGD(TAG, "lwip_select starts with nfds = %d", nfds);
|
|
if (timeout) {
|
|
ESP_LOGD(TAG, "timeout is %lds + %ldus", (long)timeout->tv_sec, timeout->tv_usec);
|
|
}
|
|
log_fd_set("readfds", readfds);
|
|
log_fd_set("writefds", writefds);
|
|
log_fd_set("errorfds", errorfds);
|
|
|
|
int ret = lwip_select(nfds, readfds, writefds, errorfds, timeout);
|
|
|
|
ESP_LOGD(TAG, "lwip_select returns %d", ret);
|
|
log_fd_set("readfds", readfds);
|
|
log_fd_set("writefds", writefds);
|
|
log_fd_set("errorfds", errorfds);
|
|
|
|
return ret;
|
|
#else
|
|
return esp_vfs_select(nfds, readfds, writefds, errorfds, timeout);
|
|
#endif
|
|
}
|