#ifndef _LINUX_POSIX_TYPES_H#define _LINUX_POSIX_TYPES_H#include <linux/stddef.h>/* * This allows for 1024 file descriptors: if NR_OPEN is ever grown * beyond that you'll have to change this too. But 1024 fd's seem to be * enough even for such "real" unices like OSF/1, so hopefully this is * one limit that doesn't have to be changed [again]. * * Note that POSIX wants the FD_CLEAR(fd,fdsetp) defines to be in * <sys/time.h> (and thus <linux/time.h>) - but this is a more logical * place for them. Solved by having dummy defines in <sys/time.h>. *//* * Those macros may have been defined in <gnu/types.h>. But we always * use the ones here. */#undef __NFDBITS#define __NFDBITS	(8 * sizeof(unsigned long))#undef __FD_SETSIZE#define __FD_SETSIZE	1024#undef __FDSET_LONGS#define __FDSET_LONGS	(__FD_SETSIZE/__NFDBITS)#undef __FDELT#define	__FDELT(d)	((d) / __NFDBITS)#undef __FDMASK#define	__FDMASK(d)	(1UL << ((d) % __NFDBITS))typedef struct {	unsigned long fds_bits [__FDSET_LONGS];} __kernel_fd_set;/* Type of a signal handler.  */typedef void (*__kernel_sighandler_t)(int);/* Type of a SYSV IPC key.  */typedef int __kernel_key_t;#include <asm/posix_types.h>#endif /* _LINUX_POSIX_TYPES_H */