a6df500f7d
CYGSERVER_REQUEST_MSG and CYGSERVER_REQUEST_SEM. (admininstrator_group_sid): Add extern declaration. * cygserver_ipc.h: Rewrite. * cygserver_msg.h: New file. * cygserver_sem.h: New file. * cygserver_shm.h: More or less rewrite. * cygwin.din: Add msgctl, msgget, msgrcv, msgsnd, semctl, semget and semop. * msg.cc: Rewrite. * safe_memory.h: Remove. * sem.cc: Rewrite. * shm.cc: Rewrite. * include/cygwin/ipc.h: Use appropriate guard. (struct ipc_perm): Add seq. (IPCID_TO_IX): New define from BSD. (IPCID_TO_SEQ): Ditto. (IXSEQ_TO_IPCID): Ditto. (IPC_R): Ditto. (IPC_W): Ditto. (IPC_M): Ditto. * include/cygwin/msg.h: Use appropriate guard. #ifdef _KERNEL all stuff not explicitely defined by SUSv3. Use signed types in structs to match types used in BSD. (msgqnum_t): Define unsigned. (msglen_t): Ditto. (struct msqid_ds): Add msg_first and msg_last. (struct msginfo): Remove msgpool. Add msgssz and msgseg. * include/cygwin/sem.h: Use appropriate guard. #ifdef _KERNEL all stuff not explicitely defined by SUSv3. Use signed types in structs to match types used in BSD. (SEM_UNDO): Define appropriately. (struct semid_ds): Add sem_base. (struct seminfo): Add semmap and semusz. (SEM_A): New define from BSD. (SEM_R): Ditto. (SEM_ALLOC): Ditto. (union semun): Define. * include/cygwin/shm.h: Use appropriate guard. #ifdef _KERNEL all stuff not explicitely defined by SUSv3. Use signed types in structs to match types used in BSD. (SHMLBA): Define using cygwin_internal(CW_GET_SHMLBA) call. (struct shmid_ds): Add shm_internal. (struct shm_info): Rename shm_ids to used_ids as in BSD. Add define for shm_ids. * include/cygwin/sysproto.h: New file. * include/cygwin/version.h: Bump API minor number. * include/sys/ipc.h: New file. * include/sys/msg.h: New file. * include/sys/queue.h: New file from BSD. * include/sys/sem.h: New file. * include/sys/shm.h: New file. * include/sys/sysproto.h: New file.
65 lines
1.5 KiB
C
65 lines
1.5 KiB
C
/* sys/ipc.h
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Copyright 2001, 2002 Red Hat Inc.
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Written by Robert Collins <rbtcollins@hotmail.com>
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This file is part of Cygwin.
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This software is a copyrighted work licensed under the terms of the
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Cygwin license. Please consult the file "CYGWIN_LICENSE" for
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details. */
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#ifndef _CYGWIN_IPC_H
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#define _CYGWIN_IPC_H
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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struct ipc_perm
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{
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uid_t uid; /* Owner's user ID. */
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gid_t gid; /* Owner's group ID. */
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uid_t cuid; /* Creator's user ID. */
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gid_t cgid; /* Creator's group ID. */
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mode_t mode; /* Read/write permission. */
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key_t key;
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unsigned short seq;
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};
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/* Mode bits:
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*/
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#define IPC_CREAT 0x0200 /* Create entry if key does not exist. */
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#define IPC_EXCL 0x0400 /* Fail if key exists. */
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#define IPC_NOWAIT 0x0800 /* Error if request must wait. */
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/* Keys:
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*/
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#define IPC_PRIVATE ((key_t) 0) /* Private key. */
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/* Control commands:
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*/
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#define IPC_RMID 0x1000 /* Remove identifier. */
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#define IPC_SET 0x1001 /* Set options. */
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#define IPC_STAT 0x1002 /* Get options. */
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#define IPC_INFO 0x1003 /* For ipcs(8). */
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#ifdef _KERNEL
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#define IPCID_TO_IX(id) ((id) & 0xffff)
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#define IPCID_TO_SEQ(id) (((id) >> 16) & 0xffff)
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#define IXSEQ_TO_IPCID(ix,perm) (((perm.seq) << 16) | (ix & 0xffff))
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#define IPC_R 000400 /* read permission */
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#define IPC_W 000200 /* write/alter permission */
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#define IPC_M 010000 /* permission to change control info */
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#endif
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key_t ftok (const char *path, int id);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _CYGWIN_IPC_H */
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