OVMS3-idf/components/newlib/platform_include/sys/poll.h

33 lines
1.2 KiB
C
Raw Normal View History

// 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.
#ifndef _ESP_PLATFORM_SYS_POLL_H_
#define _ESP_PLATFORM_SYS_POLL_H_
#define POLLIN 0x0001 /* any readable data available */
#define POLLOUT 0x0004 /* file descriptor is writeable */
#define POLLPRI 0x0002 /* OOB/Urgent readable data */
#define POLLERR 0x0008 /* some poll error occurred */
#define POLLHUP 0x0010 /* file descriptor was "hung up" */
struct pollfd {
int fd; /* The descriptor. */
short events; /* The event(s) is/are specified here. */
short revents; /* Events found are returned here. */
};
typedef unsigned int nfds_t;
int poll(struct pollfd *fds, nfds_t nfds, int timeout);
#endif // _ESP_PLATFORM_SYS_POLL_H_