59 lines
1.6 KiB
C
59 lines
1.6 KiB
C
#ifndef _PARISC_SHMBUF_H
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#define _PARISC_SHMBUF_H
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/*
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* The shmid64_ds structure for parisc architecture.
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* Note extra padding because this structure is passed back and forth
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* between kernel and user space.
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*
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* Pad space is left for:
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* - 64-bit time_t to solve y2038 problem
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* - 2 miscellaneous 32-bit values
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*/
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struct shmid64_ds {
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struct ipc64_perm shm_perm; /* operation perms */
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#ifndef CONFIG_64BIT
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unsigned int __pad1;
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#endif
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__kernel_time_t shm_atime; /* last attach time */
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#ifndef CONFIG_64BIT
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unsigned int __pad2;
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#endif
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__kernel_time_t shm_dtime; /* last detach time */
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#ifndef CONFIG_64BIT
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unsigned int __pad3;
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#endif
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__kernel_time_t shm_ctime; /* last change time */
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#ifndef CONFIG_64BIT
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unsigned int __pad4;
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#endif
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size_t shm_segsz; /* size of segment (bytes) */
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__kernel_pid_t shm_cpid; /* pid of creator */
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__kernel_pid_t shm_lpid; /* pid of last operator */
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unsigned int shm_nattch; /* no. of current attaches */
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unsigned int __unused1;
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unsigned int __unused2;
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};
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#ifdef CONFIG_64BIT
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/* The 'unsigned int' (formerly 'unsigned long') data types below will
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* ensure that a 32-bit app calling shmctl(*,IPC_INFO,*) will work on
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* a wide kernel, but if some of these values are meant to contain pointers
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* they may need to be 'long long' instead. -PB XXX FIXME
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*/
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#endif
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struct shminfo64 {
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unsigned int shmmax;
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unsigned int shmmin;
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unsigned int shmmni;
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unsigned int shmseg;
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unsigned int shmall;
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unsigned int __unused1;
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unsigned int __unused2;
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unsigned int __unused3;
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unsigned int __unused4;
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};
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#endif /* _PARISC_SHMBUF_H */
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