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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 422 | giacomo | 1 | #ifndef _LINUX_POSIX_TYPES_H |
| 2 | #define _LINUX_POSIX_TYPES_H |
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| 3 | |||
| 4 | #include <linux/stddef.h> |
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| 5 | |||
| 6 | /* |
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| 7 | * This allows for 1024 file descriptors: if NR_OPEN is ever grown |
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| 8 | * beyond that you'll have to change this too. But 1024 fd's seem to be |
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| 9 | * enough even for such "real" unices like OSF/1, so hopefully this is |
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| 10 | * one limit that doesn't have to be changed [again]. |
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| 11 | * |
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| 12 | * Note that POSIX wants the FD_CLEAR(fd,fdsetp) defines to be in |
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| 13 | * <sys/time.h> (and thus <linux/time.h>) - but this is a more logical |
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| 14 | * place for them. Solved by having dummy defines in <sys/time.h>. |
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| 15 | */ |
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| 16 | |||
| 17 | /* |
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| 18 | * Those macros may have been defined in <gnu/types.h>. But we always |
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| 19 | * use the ones here. |
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| 20 | */ |
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| 21 | #undef __NFDBITS |
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| 22 | #define __NFDBITS (8 * sizeof(unsigned long)) |
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| 23 | |||
| 24 | #undef __FD_SETSIZE |
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| 25 | #define __FD_SETSIZE 1024 |
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| 26 | |||
| 27 | #undef __FDSET_LONGS |
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| 28 | #define __FDSET_LONGS (__FD_SETSIZE/__NFDBITS) |
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| 29 | |||
| 30 | #undef __FDELT |
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| 31 | #define __FDELT(d) ((d) / __NFDBITS) |
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| 32 | |||
| 33 | #undef __FDMASK |
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| 34 | #define __FDMASK(d) (1UL << ((d) % __NFDBITS)) |
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| 35 | |||
| 36 | typedef struct { |
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| 37 | unsigned long fds_bits [__FDSET_LONGS]; |
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| 38 | } __kernel_fd_set; |
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| 39 | |||
| 40 | /* Type of a signal handler. */ |
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| 41 | typedef void (*__kernel_sighandler_t)(int); |
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| 42 | |||
| 43 | /* Type of a SYSV IPC key. */ |
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| 44 | typedef int __kernel_key_t; |
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| 45 | |||
| 46 | #include <asm/posix_types.h> |
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| 47 | |||
| 48 | #endif /* _LINUX_POSIX_TYPES_H */ |