📄 shm.h
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/*------------------------------------------------------------------------- * * shm.h * System V Shared Memory Emulation * * Copyright (c) 1999, repas AEG Automation GmbH * * * IDENTIFICATION * $Header: /cvsroot/pgsql/src/backend/port/qnx4/shm.h,v 1.7 2001/11/08 20:37:52 momjian Exp $ * *------------------------------------------------------------------------- */#ifndef _SYS_SHM_H#define _SYS_SHM_H#include <sys/ipc.h>#ifdef __cplusplusextern "C"{#endif#define SHM_R 0400 /* read permission */#define SHM_W 0200 /* write permission */struct shmid_ds{ int dummy; int shm_nattch;};extern void *shmat(int shmid, const void *shmaddr, int shmflg);extern int shmdt(const void *addr);extern int shmctl(int shmid, int cmd, struct shmid_ds * buf);extern int shmget(key_t key, size_t size, int flags);#ifdef __cplusplus}#endif#endif /* _SYS_SHM_H */
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