usr/include/asm/shmbuf.h000064400000002352147205160110011214 0ustar00/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef __ASM_X86_SHMBUF_H #define __ASM_X86_SHMBUF_H #if !defined(__x86_64__) || !defined(__ILP32__) #include #else /* * The shmid64_ds structure for x86 architecture with x32 ABI. * * On x86-32 and x86-64 we can just use the generic definition, but * x32 uses the same binary layout as x86_64, which is differnet * from other 32-bit architectures. */ struct shmid64_ds { struct ipc64_perm shm_perm; /* operation perms */ size_t shm_segsz; /* size of segment (bytes) */ __kernel_time_t shm_atime; /* last attach time */ __kernel_time_t shm_dtime; /* last detach time */ __kernel_time_t shm_ctime; /* last change time */ __kernel_pid_t shm_cpid; /* pid of creator */ __kernel_pid_t shm_lpid; /* pid of last operator */ __kernel_ulong_t shm_nattch; /* no. of current attaches */ __kernel_ulong_t __unused4; __kernel_ulong_t __unused5; }; struct shminfo64 { __kernel_ulong_t shmmax; __kernel_ulong_t shmmin; __kernel_ulong_t shmmni; __kernel_ulong_t shmseg; __kernel_ulong_t shmall; __kernel_ulong_t __unused1; __kernel_ulong_t __unused2; __kernel_ulong_t __unused3; __kernel_ulong_t __unused4; }; #endif #endif /* __ASM_X86_SHMBUF_H */ usr/include/asm-generic/shmbuf.h000064400000003455147205277430012651 0ustar00/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef __ASM_GENERIC_SHMBUF_H #define __ASM_GENERIC_SHMBUF_H #include /* * The shmid64_ds structure for x86 architecture. * Note extra padding because this structure is passed back and forth * between kernel and user space. * * shmid64_ds was originally meant to be architecture specific, but * everyone just ended up making identical copies without specific * optimizations, so we may just as well all use the same one. * * 64 bit architectures typically define a 64 bit __kernel_time_t, * so they do not need the first two padding words. * On big-endian systems, the padding is in the wrong place. * * * Pad space is left for: * - 2 miscellaneous 32-bit values */ struct shmid64_ds { struct ipc64_perm shm_perm; /* operation perms */ size_t shm_segsz; /* size of segment (bytes) */ #if __BITS_PER_LONG == 64 __kernel_time_t shm_atime; /* last attach time */ __kernel_time_t shm_dtime; /* last detach time */ __kernel_time_t shm_ctime; /* last change time */ #else unsigned long shm_atime; /* last attach time */ unsigned long shm_atime_high; unsigned long shm_dtime; /* last detach time */ unsigned long shm_dtime_high; unsigned long shm_ctime; /* last change time */ unsigned long shm_ctime_high; #endif __kernel_pid_t shm_cpid; /* pid of creator */ __kernel_pid_t shm_lpid; /* pid of last operator */ unsigned long shm_nattch; /* no. of current attaches */ unsigned long __unused4; unsigned long __unused5; }; struct shminfo64 { unsigned long shmmax; unsigned long shmmin; unsigned long shmmni; unsigned long shmseg; unsigned long shmall; unsigned long __unused1; unsigned long __unused2; unsigned long __unused3; unsigned long __unused4; }; #endif /* __ASM_GENERIC_SHMBUF_H */