/* Copyright libuv project 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.

 */

#ifndef UV_OS390_SYSCALL_H_

#define UV_OS390_SYSCALL_H_

#include "uv.h"

#include "internal.h"

#include <dirent.h>

#include <poll.h>

#include <pthread.h>

#define EPOLL_CTL_ADD             1

#define EPOLL_CTL_DEL             2

#define EPOLL_CTL_MOD             3

#define MAX_EPOLL_INSTANCES       256

#define MAX_ITEMS_PER_EPOLL       1024

#define UV__O_CLOEXEC             0x80000

struct epoll_event {

  int events;

  int fd;

  int is_msg;

};

typedef struct {

  QUEUE member;

  struct pollfd* items;

  unsigned long size;

  int msg_queue;

} uv__os390_epoll;

/* epoll api */

uv__os390_epoll* epoll_create1(int flags);

int epoll_ctl(uv__os390_epoll* ep, int op, int fd, struct epoll_event *event);

int epoll_wait(uv__os390_epoll* ep, struct epoll_event *events, int maxevents, int timeout);

int epoll_file_close(int fd);

/* utility functions */

int nanosleep(const struct timespec* req, struct timespec* rem);

int scandir(const char* maindir, struct dirent*** namelist,

            int (*filter)(const struct dirent *),

            int (*compar)(const struct dirent **,

            const struct dirent **));

char *mkdtemp(char* path);

ssize_t os390_readlink(const char* path, char* buf, size_t len);

size_t strnlen(const char* str, size_t maxlen);

int sem_init(UV_PLATFORM_SEM_T* semid, int pshared, unsigned int value);

int sem_destroy(UV_PLATFORM_SEM_T* semid);

int sem_post(UV_PLATFORM_SEM_T* semid);

int sem_trywait(UV_PLATFORM_SEM_T* semid);

int sem_wait(UV_PLATFORM_SEM_T* semid);

#endif /* UV_OS390_SYSCALL_H_ */