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-rw-r--r--winsup/cygwin/include/cygwin/version.h4
-rw-r--r--winsup/cygwin/include/limits.h10
-rw-r--r--winsup/cygwin/include/mqueue.h45
3 files changed, 52 insertions, 7 deletions
diff --git a/winsup/cygwin/include/cygwin/version.h b/winsup/cygwin/include/cygwin/version.h
index 8ed2f7dff..fd9cf5aa3 100644
--- a/winsup/cygwin/include/cygwin/version.h
+++ b/winsup/cygwin/include/cygwin/version.h
@@ -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
diff --git a/winsup/cygwin/include/limits.h b/winsup/cygwin/include/limits.h
index 260e63a53..f7ae460e8 100644
--- a/winsup/cygwin/include/limits.h
+++ b/winsup/cygwin/include/limits.h
@@ -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
diff --git a/winsup/cygwin/include/mqueue.h b/winsup/cygwin/include/mqueue.h
new file mode 100644
index 000000000..804a80919
--- /dev/null
+++ b/winsup/cygwin/include/mqueue.h
@@ -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 */