linux/include/linux/posix_types.h
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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 * This macro may have been defined in <gnu/types.h>. But we always
  19 * use the one here.
  20 */
  21#undef __FD_SETSIZE
  22#define __FD_SETSIZE    1024
  23
  24typedef struct {
  25        unsigned long fds_bits[__FD_SETSIZE / (8 * sizeof(long))];
  26} __kernel_fd_set;
  27
  28/* Type of a signal handler.  */
  29typedef void (*__kernel_sighandler_t)(int);
  30
  31/* Type of a SYSV IPC key.  */
  32typedef int __kernel_key_t;
  33typedef int __kernel_mqd_t;
  34
  35#include <asm/posix_types.h>
  36
  37#endif /* _LINUX_POSIX_TYPES_H */
  38
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