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* cygserver.h (client_request::request_code_t): Add

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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.
This commit is contained in:
Corinna Vinschen
2003-11-19 18:50:23 +00:00
parent 282113ba89
commit a6df500f7d
24 changed files with 1824 additions and 929 deletions
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48
winsup/cygwin/include/cygwin/msg.h
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@ -9,8 +9,8 @@ This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */
#ifndef _SYS_MSG_H
#define _SYS_MSG_H
#ifndef _CYGWIN_MSG_H
#define _CYGWIN_MSG_H
#include <cygwin/ipc.h>
@ -23,18 +23,20 @@ extern "C"
*/
#define MSG_NOERROR 0x01 /* No error if big message. */
#ifdef _KERNEL
/* Command definitions for the semctl () function:
*/
#define MSG_STAT 0x2000 /* For ipcs(8) */
#define MSG_INFO 0x2001 /* For ipcs(8) */
#endif /* _KERNEL */
/* Used for the number of messages in the message queue.
*/
typedef long int msgqnum_t;
typedef unsigned long msgqnum_t;
/* Used for the number of bytes allowed in a message queue.
*/
typedef long int msglen_t;
typedef unsigned long msglen_t;
struct msqid_ds
{
@ -47,38 +49,46 @@ struct msqid_ds
timestruc_t msg_stim; /* Time of last msgsnd (). */
timestruc_t msg_rtim; /* Time of last msgrcv (). */
timestruc_t msg_ctim; /* Time of last change. */
#ifdef _KERNEL
struct msg *msg_first;
struct msg *msg_last;
#else
long msg_spare4[2];
#endif /* _KERNEL */
};
#define msg_stime msg_stim.tv_sec
#define msg_rtime msg_rtim.tv_sec
#define msg_ctime msg_ctim.tv_sec
#ifdef _KERNEL
/* Buffer type for msgctl (IPC_INFO, ...) as used by ipcs(8).
*/
struct msginfo
{
unsigned long msgpool; /* Maximum number of message bytes,
system wide. */
unsigned long msgmax; /* Maximum number of bytes per
message. */
unsigned long msgmnb; /* Maximum number of bytes on any one
message queue. */
unsigned long msgmni; /* Maximum number of message queues,
system wide. */
unsigned long msgtql; /* Maximum number of messages, system
wide. */
unsigned long msg_spare[4];
long msgmax; /* Maximum number of bytes per
message. */
long msgmnb; /* Maximum number of bytes on any one
message queue. */
long msgmni; /* Maximum number of message queues,
system wide. */
long msgtql; /* Maximum number of messages, system
wide. */
long msgssz; /* Size of a message segment, must be
small power of 2 greater than 4. */
long msgseg; /* Number of message segments */
long msg_spare[2];
};
/* Buffer type for msgctl (MSG_INFO, ...) as used by ipcs(8).
*/
struct msg_info
{
unsigned long msg_ids; /* Number of allocated queues. */
unsigned long msg_num; /* Number of messages, system wide. */
unsigned long msg_tot; /* Size in bytes of messages, system wide. */
long msg_ids; /* Number of allocated queues. */
long msg_num; /* Number of messages, system wide. */
long msg_tot; /* Size in bytes of messages, system wide. */
};
#endif /* _KERNEL */
int msgctl (int msqid, int cmd, struct msqid_ds *buf);
int msgget (key_t key, int msgflg);
@ -89,4 +99,4 @@ int msgsnd (int msqid, const void *msgp, size_t msgsz, int msgflg);
}
#endif
#endif /* _SYS_MSG_H */
#endif /* _CYGWIN_MSG_H */