1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 
2#ifndef _LINUX_POSIX_TYPES_H 
3#define _LINUX_POSIX_TYPES_H 
4 
5#include <linux/stddef.h> 
6 
7/* 
8 * This allows for 1024 file descriptors: if NR_OPEN is ever grown 
9 * beyond that you'll have to change this too. But 1024 fd's seem to be 
10 * enough even for such "real" unices like OSF/1, so hopefully this is 
11 * one limit that doesn't have to be changed [again]. 
12 * 
13 * Note that POSIX wants the FD_CLEAR(fd,fdsetp) defines to be in 
14 * <sys/time.h> (and thus <linux/time.h>) - but this is a more logical 
15 * place for them. Solved by having dummy defines in <sys/time.h>. 
16 */ 
17 
18/* 
19 * This macro may have been defined in <gnu/types.h>. But we always 
20 * use the one here. 
21 */ 
22#undef __FD_SETSIZE 
23#define __FD_SETSIZE 1024 
24 
25typedef struct { 
26 unsigned long fds_bits[__FD_SETSIZE / (8 * sizeof(long))]; 
27} __kernel_fd_set; 
28 
29/* Type of a signal handler. */ 
30typedef void (*__kernel_sighandler_t)(int); 
31 
32/* Type of a SYSV IPC key. */ 
33typedef int __kernel_key_t; 
34typedef int __kernel_mqd_t; 
35 
36#include <asm/posix_types.h> 
37 
38#endif /* _LINUX_POSIX_TYPES_H */ 
39