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- /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
- #ifndef _ASM_SHMBUF_H
- #define _ASM_SHMBUF_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 */
- 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 */
- 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 */
- 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 */
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