Christopher Ferris | 2598113 | 2017-11-14 16:53:49 -0800 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
Ben Cheng | 30692c6 | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 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 | |
| 25 | typedef struct { |
| 26 | unsigned long fds_bits[__FD_SETSIZE / (8 * sizeof(long))]; |
| 27 | } __kernel_fd_set; |
| 28 | |
| 29 | /* Type of a signal handler. */ |
| 30 | typedef void (*__kernel_sighandler_t)(int); |
| 31 | |
| 32 | /* Type of a SYSV IPC key. */ |
| 33 | typedef int __kernel_key_t; |
| 34 | typedef int __kernel_mqd_t; |
| 35 | |
| 36 | #include <asm/posix_types.h> |
| 37 | |
| 38 | #endif /* _LINUX_POSIX_TYPES_H */ |