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typesizes.h
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/* bits/typesizes.h -- underlying types for *_t. Linux/x86-64 version. Copyright (C) 2012-2021 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see <https://www.gnu.org/licenses/>. */ #ifndef _BITS_TYPES_H # error "Never include <bits/typesizes.h> directly; use <sys/types.h> instead." #endif #ifndef _BITS_TYPESIZES_H #define _BITS_TYPESIZES_H 1 /* See <bits/types.h> for the meaning of these macros. This file exists so that <bits/types.h> need not vary across different GNU platforms. */ /* X32 kernel interface is 64-bit. */ #if defined __x86_64__ && defined __ILP32__ # define __SYSCALL_SLONG_TYPE __SQUAD_TYPE # define __SYSCALL_ULONG_TYPE __UQUAD_TYPE #else # define __SYSCALL_SLONG_TYPE __SLONGWORD_TYPE # define __SYSCALL_ULONG_TYPE __ULONGWORD_TYPE #endif #define __DEV_T_TYPE __UQUAD_TYPE #define __UID_T_TYPE __U32_TYPE #define __GID_T_TYPE __U32_TYPE #define __INO_T_TYPE __SYSCALL_ULONG_TYPE #define __INO64_T_TYPE __UQUAD_TYPE #define __MODE_T_TYPE __U32_TYPE #ifdef __x86_64__ # define __NLINK_T_TYPE __SYSCALL_ULONG_TYPE # define __FSWORD_T_TYPE __SYSCALL_SLONG_TYPE #else # define __NLINK_T_TYPE __UWORD_TYPE # define __FSWORD_T_TYPE __SWORD_TYPE #endif #define __OFF_T_TYPE __SYSCALL_SLONG_TYPE #define __OFF64_T_TYPE __SQUAD_TYPE #define __PID_T_TYPE __S32_TYPE #define __RLIM_T_TYPE __SYSCALL_ULONG_TYPE #define __RLIM64_T_TYPE __UQUAD_TYPE #define __BLKCNT_T_TYPE __SYSCALL_SLONG_TYPE #define __BLKCNT64_T_TYPE __SQUAD_TYPE #define __FSBLKCNT_T_TYPE __SYSCALL_ULONG_TYPE #define __FSBLKCNT64_T_TYPE __UQUAD_TYPE #define __FSFILCNT_T_TYPE __SYSCALL_ULONG_TYPE #define __FSFILCNT64_T_TYPE __UQUAD_TYPE #define __ID_T_TYPE __U32_TYPE #define __CLOCK_T_TYPE __SYSCALL_SLONG_TYPE #define __TIME_T_TYPE __SYSCALL_SLONG_TYPE #define __USECONDS_T_TYPE __U32_TYPE #define __SUSECONDS_T_TYPE __SYSCALL_SLONG_TYPE #define __SUSECONDS64_T_TYPE __SQUAD_TYPE #define __DADDR_T_TYPE __S32_TYPE #define __KEY_T_TYPE __S32_TYPE #define __CLOCKID_T_TYPE __S32_TYPE #define __TIMER_T_TYPE void * #define __BLKSIZE_T_TYPE __SYSCALL_SLONG_TYPE #define __FSID_T_TYPE struct { int __val[2]; } #define __SSIZE_T_TYPE __SWORD_TYPE #define __CPU_MASK_TYPE __SYSCALL_ULONG_TYPE #ifdef __x86_64__ /* Tell the libc code that off_t and off64_t are actually the same type for all ABI purposes, even if possibly expressed as different base types for C type-checking purposes. */ # define __OFF_T_MATCHES_OFF64_T 1 /* Same for ino_t and ino64_t. */ # define __INO_T_MATCHES_INO64_T 1 /* And for __rlim_t and __rlim64_t. */ # define __RLIM_T_MATCHES_RLIM64_T 1 /* And for fsblkcnt_t, fsblkcnt64_t, fsfilcnt_t and fsfilcnt64_t. */ # define __STATFS_MATCHES_STATFS64 1 /* And for getitimer, setitimer and rusage */ # define __KERNEL_OLD_TIMEVAL_MATCHES_TIMEVAL64 1 #else # define __RLIM_T_MATCHES_RLIM64_T 0 # define __STATFS_MATCHES_STATFS64 0 # define __KERNEL_OLD_TIMEVAL_MATCHES_TIMEVAL64 0 #endif /* Number of descriptors that can fit in an `fd_set'. */ #define __FD_SETSIZE 1024 #endif /* bits/typesizes.h */