f8dcdf0130
Both x32 and x86-64 use the same struct shmid64_ds/shminfo64/shm_info for system calls. But x32 long is 32-bit. This patch replaces unsigned long with __kernel_ulong_t in struct shmid64_ds/shminfo64/shm_info. Signed-off-by: H.J. Lu <hjl.tools@gmail.com> Link: http://lkml.kernel.org/r/1388182464-28428-8-git-send-email-hjl.tools@gmail.com Signed-off-by: H. Peter Anvin <hpa@zytor.com>
79 lines
2.2 KiB
C
79 lines
2.2 KiB
C
#ifndef _UAPI_LINUX_SHM_H_
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#define _UAPI_LINUX_SHM_H_
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#include <linux/ipc.h>
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#include <linux/errno.h>
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#ifndef __KERNEL__
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#include <unistd.h>
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#endif
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/*
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* SHMMAX, SHMMNI and SHMALL are upper limits are defaults which can
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* be increased by sysctl
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*/
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#define SHMMAX 0x2000000 /* max shared seg size (bytes) */
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#define SHMMIN 1 /* min shared seg size (bytes) */
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#define SHMMNI 4096 /* max num of segs system wide */
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#ifndef __KERNEL__
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#define SHMALL (SHMMAX/getpagesize()*(SHMMNI/16))
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#endif
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#define SHMSEG SHMMNI /* max shared segs per process */
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/* Obsolete, used only for backwards compatibility and libc5 compiles */
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struct shmid_ds {
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struct ipc_perm shm_perm; /* operation perms */
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int shm_segsz; /* size of segment (bytes) */
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__kernel_time_t shm_atime; /* last attach time */
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__kernel_time_t shm_dtime; /* last detach time */
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__kernel_time_t shm_ctime; /* last change time */
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__kernel_ipc_pid_t shm_cpid; /* pid of creator */
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__kernel_ipc_pid_t shm_lpid; /* pid of last operator */
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unsigned short shm_nattch; /* no. of current attaches */
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unsigned short shm_unused; /* compatibility */
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void *shm_unused2; /* ditto - used by DIPC */
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void *shm_unused3; /* unused */
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};
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/* Include the definition of shmid64_ds and shminfo64 */
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#include <asm/shmbuf.h>
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/* permission flag for shmget */
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#define SHM_R 0400 /* or S_IRUGO from <linux/stat.h> */
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#define SHM_W 0200 /* or S_IWUGO from <linux/stat.h> */
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/* mode for attach */
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#define SHM_RDONLY 010000 /* read-only access */
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#define SHM_RND 020000 /* round attach address to SHMLBA boundary */
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#define SHM_REMAP 040000 /* take-over region on attach */
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#define SHM_EXEC 0100000 /* execution access */
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/* super user shmctl commands */
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#define SHM_LOCK 11
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#define SHM_UNLOCK 12
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/* ipcs ctl commands */
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#define SHM_STAT 13
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#define SHM_INFO 14
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/* Obsolete, used only for backwards compatibility */
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struct shminfo {
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int shmmax;
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int shmmin;
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int shmmni;
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int shmseg;
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int shmall;
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};
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struct shm_info {
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int used_ids;
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__kernel_ulong_t shm_tot; /* total allocated shm */
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__kernel_ulong_t shm_rss; /* total resident shm */
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__kernel_ulong_t shm_swp; /* total swapped shm */
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__kernel_ulong_t swap_attempts;
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__kernel_ulong_t swap_successes;
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};
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#endif /* _UAPI_LINUX_SHM_H_ */
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