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1: #ifndef _UAPI_LINUX_IPC_H 2: #define _UAPI_LINUX_IPC_H 3: 4: #include <linux/types.h> 5: 6: #define IPC_PRIVATE ((__kernel_key_t) 0) 7: 8: /* Obsolete, used only for backwards compatibility and libc5 compiles */ 9: struct ipc_perm 10: { 11: __kernel_key_t key; 12: __kernel_uid_t uid; 13: __kernel_gid_t gid; 14: __kernel_uid_t cuid; 15: __kernel_gid_t cgid; 16: __kernel_mode_t mode; 17: unsigned short seq; 18: }; 19: 20: /* Include the definition of ipc64_perm */ 21: #include <asm/ipcbuf.h> 22: 23: /* resource get request flags */ 24: #define IPC_CREAT 00001000 /* create if key is nonexistent */ 25: #define IPC_EXCL 00002000 /* fail if key exists */ 26: #define IPC_NOWAIT 00004000 /* return error on wait */ 27: 28: /* these fields are used by the DIPC package so the kernel as standard 29: should avoid using them if possible */ 30: 31: #define IPC_DIPC 00010000 /* make it distributed */ 32: #define IPC_OWN 00020000 /* this machine is the DIPC owner */ 33: 34: /* 35: * Control commands used with semctl, msgctl and shmctl 36: * see also specific commands in sem.h, msg.h and shm.h 37: */ 38: #define IPC_RMID 0 /* remove resource */ 39: #define IPC_SET 1 /* set ipc_perm options */ 40: #define IPC_STAT 2 /* get ipc_perm options */ 41: #define IPC_INFO 3 /* see ipcs */ 42: 43: /* 44: * Version flags for semctl, msgctl, and shmctl commands 45: * These are passed as bitflags or-ed with the actual command 46: */ 47: #define IPC_OLD 0 /* Old version (no 32-bit UID support on many 48: architectures) */ 49: #define IPC_64 0x0100 /* New version (support 32-bit UIDs, bigger 50: message sizes, etc. */ 51: 52: /* 53: * These are used to wrap system calls. 54: * 55: * See architecture code for ugly details.. 56: */ 57: struct ipc_kludge { 58: struct msgbuf __user *msgp; 59: long msgtyp; 60: }; 61: 62: #define SEMOP 1 63: #define SEMGET 2 64: #define SEMCTL 3 65: #define SEMTIMEDOP 4 66: #define MSGSND 11 67: #define MSGRCV 12 68: #define MSGGET 13 69: #define MSGCTL 14 70: #define SHMAT 21 71: #define SHMDT 22 72: #define SHMGET 23 73: #define SHMCTL 24 74: 75: /* Used by the DIPC package, try and avoid reusing it */ 76: #define DIPC 25 77: 78: #define IPCCALL(version,op) ((version)<<16 | (op)) 79: 80: 81: #endif /* _UAPI_LINUX_IPC_H */ 82: