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9807f75955
Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Michael Kerrisk <mtk.manpages@gmail.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dave Jones <davej@redhat.com>
49 lines
1.3 KiB
C
49 lines
1.3 KiB
C
#ifndef _S390_SHMBUF_H
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#define _S390_SHMBUF_H
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/*
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* The shmid64_ds structure for S/390 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 (for !__s390x__)
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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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size_t shm_segsz; /* size of segment (bytes) */
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__kernel_time_t shm_atime; /* last attach time */
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#ifndef __s390x__
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unsigned long __unused1;
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#endif /* ! __s390x__ */
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__kernel_time_t shm_dtime; /* last detach time */
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#ifndef __s390x__
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unsigned long __unused2;
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#endif /* ! __s390x__ */
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__kernel_time_t shm_ctime; /* last change time */
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#ifndef __s390x__
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unsigned long __unused3;
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#endif /* ! __s390x__ */
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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 long shm_nattch; /* no. of current attaches */
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unsigned long __unused4;
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unsigned long __unused5;
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};
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struct shminfo64 {
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unsigned long shmmax;
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unsigned long shmmin;
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unsigned long shmmni;
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unsigned long shmseg;
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unsigned long shmall;
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unsigned long __unused1;
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unsigned long __unused2;
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unsigned long __unused3;
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unsigned long __unused4;
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};
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#endif /* _S390_SHMBUF_H */
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