diff options
Diffstat (limited to 'arch/parisc/include/uapi/asm/shmbuf.h')
| -rw-r--r-- | arch/parisc/include/uapi/asm/shmbuf.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/arch/parisc/include/uapi/asm/shmbuf.h b/arch/parisc/include/uapi/asm/shmbuf.h new file mode 100644 index 000000000..5da3089be --- /dev/null +++ b/arch/parisc/include/uapi/asm/shmbuf.h @@ -0,0 +1,51 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _PARISC_SHMBUF_H +#define _PARISC_SHMBUF_H + +#include <asm/bitsperlong.h> + +/* + * The shmid64_ds structure for parisc architecture. + * Note extra padding because this structure is passed back and forth + * between kernel and user space. + * + * Pad space is left for: + * - 2 miscellaneous 32-bit values + */ + +struct shmid64_ds { + struct ipc64_perm shm_perm; /* operation perms */ +#if __BITS_PER_LONG == 64 + long shm_atime; /* last attach time */ + long shm_dtime; /* last detach time */ + long shm_ctime; /* last change time */ +#else + unsigned long shm_atime_high; + unsigned long shm_atime; /* last attach time */ + unsigned long shm_dtime_high; + unsigned long shm_dtime; /* last detach time */ + unsigned long shm_ctime_high; + unsigned long shm_ctime; /* last change time */ + unsigned int __pad4; +#endif + __kernel_size_t shm_segsz; /* size of segment (bytes) */ + __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; +}; + +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 /* _PARISC_SHMBUF_H */ |