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usr
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include
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mipsel-linux-gnu
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asm
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Filename :
shmbuf.h
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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _ASM_SHMBUF_H #define _ASM_SHMBUF_H #include <asm/ipcbuf.h> #include <asm/posix_types.h> /* * The shmid64_ds structure for the MIPS architecture. * Note extra padding because this structure is passed back and forth * between kernel and user space. * * As MIPS was lacking proper padding after shm_?time, we use 48 bits * of the padding at the end to store a few additional bits of the time. * libc implementations need to take care to convert this into a proper * data structure when moving to 64-bit time_t. */ #ifdef __mips64 struct shmid64_ds { struct ipc64_perm shm_perm; /* operation perms */ __kernel_size_t shm_segsz; /* size of segment (bytes) */ long shm_atime; /* last attach time */ long shm_dtime; /* last detach time */ long shm_ctime; /* last change time */ __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 __unused1; unsigned long __unused2; }; #else struct shmid64_ds { struct ipc64_perm shm_perm; /* operation perms */ __kernel_size_t shm_segsz; /* size of segment (bytes) */ unsigned long shm_atime; /* last attach time */ unsigned long shm_dtime; /* last detach time */ unsigned long shm_ctime; /* last change time */ __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 short shm_atime_high; unsigned short shm_dtime_high; unsigned short shm_ctime_high; unsigned short __unused1; }; #endif 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_SHMBUF_H */