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* Makefile.in (DLL_OFILES): Add posix_ipc.o.

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* cygwin.din (mq_close): Export.
	(mq_getattr): Export.
	(mq_notify): Export.
	(mq_open): Export.
	(mq_receive): Export.
	(mq_send): Export.
	(mq_setattr): Export.
	(mq_timedreceive): Export.
	(mq_timedsend): Export.
	(mq_unlink): Export.
	* posix_ipc.cc: New file implementing the above functions.  Move
	shm_open and shm_unlink from syscalls.cc here.
	* sysconf.cc (sca): Set value of _SC_MQ_OPEN_MAX to MQ_OPEN_MAX,
	_SC_MQ_PRIO_MAX to MQ_PRIO_MAX, _SC_MESSAGE_PASSING to
	_POSIX_MESSAGE_PASSING.
	* include/limits.h (MQ_OPEN_MAX): Define.
	(MQ_PRIO_MAX): Define.
	* include/mqueue.h: New file.
	* include/cygwin/version.h: Bump API minor number.
This commit is contained in:
Corinna Vinschen
2007-02-14 10:06:46 +00:00
parent 77da924b40
commit 7b487ba942
9 changed files with 944 additions and 87 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
winsup/cygwin/include/cygwin/version.h
View File

@@ -303,12 +303,14 @@ details. */
if_nameindex, if_freenameindex.
163: Export posix_madvise, posix_memalign.
164: Export shm_open, shm_unlink.
165: Export mq_close, mq_getattr, mq_notify, mq_open, mq_receive,
mq_send, mq_setattr, mq_timedreceive, mq_timedsend, mq_unlink.
*/
/* Note that we forgot to bump the api for ualarm, strtoll, strtoull */
#define CYGWIN_VERSION_API_MAJOR 0
#define CYGWIN_VERSION_API_MINOR 164
#define CYGWIN_VERSION_API_MINOR 165
/* There is also a compatibity version number associated with the
shared memory regions. It is incremented when incompatible

10
winsup/cygwin/include/limits.h
View File

@@ -179,15 +179,13 @@ details. */
#undef LOGIN_NAME_MAX
#define LOGIN_NAME_MAX 256 /* equal to UNLEN defined in w32api/lmcons.h */
/* The maximum number of open message queue descriptors a process may hold.
Not yet implemented. */
/* The maximum number of open message queue descriptors a process may hold. */
#undef MQ_OPEN_MAX
/* #define MQ_OPEN_MAX >= _POSIX_MQ_OPEN_MAX */
#define MQ_OPEN_MAX OPEN_MAX
/* The maximum number of message priorities supported by the implementation.
Not yet implemented. */
/* The maximum number of message priorities supported by the implementation. */
#undef MQ_PRIO_MAX
/* #define MQ_PRIO_MAX >= _POSIX_MQ_PRIO_MAX */
#define MQ_PRIO_MAX INT_MAX
/* # of open files per process. Actually it can be more since Cygwin
grows the dtable as necessary. We define a reasonable limit here

45
winsup/cygwin/include/mqueue.h Normal file
View File

@@ -0,0 +1,45 @@
/* mqueue.h: POSIX message queue interface
Copyright 2007 Red Hat, Inc.
This file is part of Cygwin.
This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */
#include <time.h>
#include <sys/types.h>
#include <sys/signal.h>
#include <sys/cdefs.h>
#ifndef _MQUEUE_H
#define _MQUEUE_H
__BEGIN_DECLS
typedef void *mqd_t;
struct mq_attr {
long mq_flags; /* Message queue flags */
long mq_maxmsg; /* Max number of messages in queue */
long mq_msgsize; /* Max message size */
long mq_curmsgs; /* Current number of messages in queue */
};
int mq_close (mqd_t);
int mq_getattr (mqd_t, struct mq_attr *);
int mq_notify (mqd_t, const struct sigevent *);
mqd_t mq_open (const char *, int, ...);
ssize_t mq_receive (mqd_t, char *, size_t, unsigned int *);
int mq_send (mqd_t, const char *, size_t, unsigned int);
int mq_setattr (mqd_t, const struct mq_attr *, struct mq_attr *);
ssize_t mq_timedreceive (mqd_t, char *, size_t, unsigned int *,
const struct timespec *);
int mq_timedsend (mqd_t, const char *, size_t, unsigned int,
const struct timespec *);
int mq_unlink (const char *name);
__END_DECLS
#endif /* _MQUEUE_H */