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1 | #ifndef _LINUX_POSIX_TYPES_H |
2 | #define _LINUX_POSIX_TYPES_H |
3 | |
4 | #include <linux/stddef.h> |
5 | |
6 | /* |
7 | * This allows for 1024 file descriptors: if NR_OPEN is ever grown |
8 | * beyond that you'll have to change this too. But 1024 fd's seem to be |
9 | * enough even for such "real" unices like OSF/1, so hopefully this is |
10 | * one limit that doesn't have to be changed [again]. |
11 | * |
12 | * Note that POSIX wants the FD_CLEAR(fd,fdsetp) defines to be in |
13 | * <sys/time.h> (and thus <linux/time.h>) - but this is a more logical |
14 | * place for them. Solved by having dummy defines in <sys/time.h>. |
15 | */ |
16 | |
17 | /* |
18 | * Those macros may have been defined in <gnu/types.h>. But we always |
19 | * use the ones here. |
20 | */ |
21 | #undef __NFDBITS |
22 | #define __NFDBITS (8 * sizeof(unsigned long)) |
23 | |
24 | #undef __FD_SETSIZE |
25 | #define __FD_SETSIZE 1024 |
26 | |
27 | #undef __FDSET_LONGS |
28 | #define __FDSET_LONGS (__FD_SETSIZE/__NFDBITS) |
29 | |
30 | #undef __FDELT |
31 | #define __FDELT(d) ((d) / __NFDBITS) |
32 | |
33 | #undef __FDMASK |
34 | #define __FDMASK(d) (1UL << ((d) % __NFDBITS)) |
35 | |
36 | typedef struct { |
37 | unsigned long fds_bits [__FDSET_LONGS]; |
38 | } __kernel_fd_set; |
39 | |
40 | /* Type of a signal handler. */ |
41 | typedef void (*__kernel_sighandler_t)(int); |
42 | |
43 | /* Type of a SYSV IPC key. */ |
44 | typedef int __kernel_key_t; |
45 | typedef int __kernel_mqd_t; |
46 | |
47 | #include <asm/posix_types.h> |
48 | |
49 | #endif /* _LINUX_POSIX_TYPES_H */ |
50 |
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Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
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v3.9