1/* Copyright libuv project contributors. All rights reserved.
2 *
3 * Permission is hereby granted, free of charge, to any person obtaining a copy
4 * of this software and associated documentation files (the "Software"), to
5 * deal in the Software without restriction, including without limitation the
6 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
7 * sell copies of the Software, and to permit persons to whom the Software is
8 * furnished to do so, subject to the following conditions:
9 *
10 * The above copyright notice and this permission notice shall be included in
11 * all copies or substantial portions of the Software.
12 *
13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
18 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
19 * IN THE SOFTWARE.
20 */
21
22
23#ifndef UV_OS390_SYSCALL_H_
24#define UV_OS390_SYSCALL_H_
25
26#include "uv.h"
27#include "internal.h"
28#include <dirent.h>
29#include <poll.h>
30#include <pthread.h>
31#include "zos-base.h"
32
33#define EPOLL_CTL_ADD             1
34#define EPOLL_CTL_DEL             2
35#define EPOLL_CTL_MOD             3
36#define MAX_EPOLL_INSTANCES       256
37#define MAX_ITEMS_PER_EPOLL       1024
38
39#define UV__O_CLOEXEC             0x80000
40
41struct epoll_event {
42  int events;
43  int fd;
44  int is_msg;
45};
46
47typedef struct {
48  QUEUE member;
49  struct pollfd* items;
50  unsigned long size;
51  int msg_queue;
52} uv__os390_epoll;
53
54/* epoll api */
55uv__os390_epoll* epoll_create1(int flags);
56int epoll_ctl(uv__os390_epoll* ep, int op, int fd, struct epoll_event *event);
57int epoll_wait(uv__os390_epoll* ep, struct epoll_event *events, int maxevents, int timeout);
58int epoll_file_close(int fd);
59
60/* utility functions */
61int scandir(const char* maindir, struct dirent*** namelist,
62            int (*filter)(const struct dirent *),
63            int (*compar)(const struct dirent **,
64            const struct dirent **));
65char *mkdtemp(char* path);
66ssize_t os390_readlink(const char* path, char* buf, size_t len);
67size_t strnlen(const char* str, size_t maxlen);
68int sem_init(UV_PLATFORM_SEM_T* semid, int pshared, unsigned int value);
69int sem_destroy(UV_PLATFORM_SEM_T* semid);
70int sem_post(UV_PLATFORM_SEM_T* semid);
71int sem_trywait(UV_PLATFORM_SEM_T* semid);
72int sem_wait(UV_PLATFORM_SEM_T* semid);
73void uv__os390_cleanup(void);
74
75#endif /* UV_OS390_SYSCALL_H_ */
76