diff options
Diffstat (limited to 'include/asm-parisc/shmbuf.h')
| -rw-r--r-- | include/asm-parisc/shmbuf.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/include/asm-parisc/shmbuf.h b/include/asm-parisc/shmbuf.h new file mode 100644 index 000000000..ea45e96b3 --- /dev/null +++ b/include/asm-parisc/shmbuf.h @@ -0,0 +1,50 @@ +#ifndef _PARISC_SHMBUF_H +#define _PARISC_SHMBUF_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: + * - 64-bit time_t to solve y2038 problem + * - 2 miscellaneous 32-bit values + */ + +struct shmid64_ds { + struct ipc64_perm shm_perm; /* operation perms */ + unsigned int __pad1; + __kernel_time_t shm_atime; /* last attach time */ + unsigned int __pad2; + __kernel_time_t shm_dtime; /* last detach time */ + unsigned int __pad3; + __kernel_time_t shm_ctime; /* last change time */ + 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 int shm_nattch; /* no. of current attaches */ + unsigned int __unused1; + unsigned int __unused2; +}; + +#ifdef __LP64__ +#warning shminfo64 is an undocumented struct +/* The 'unsigned int' (formerly 'unsigned long') data types below will + * ensure that a 32-bit app calling shmctl(*,IPC_INFO,*) will work on + * a wide kernel, but if some of these values are meant to contain pointers + * they may need to be 'long long' instead. -PB + */ +#endif +struct shminfo64 { + unsigned int shmmax; + unsigned int shmmin; + unsigned int shmmni; + unsigned int shmseg; + unsigned int shmall; + unsigned int __unused1; + unsigned int __unused2; + unsigned int __unused3; + unsigned int __unused4; +}; + +#endif /* _PARISC_SHMBUF_H */ |