| /* 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 */ |