From ef467338e4a290b0f8978a0701b404e17c5bb048 Mon Sep 17 00:00:00 2001
From: Jeff Johnston <jjohnstn@redhat.com>
Date: Wed, 19 Jun 2002 22:17:33 +0000
Subject: 2002-06-19  Jeff Johnston  <jjohnstn@redhat.com>

        * libc/sys/linux/Makefile.am: Add support for message queue routines,
        ipc routines, and ftok.
        * libc/sys/linux/Makefile.in: Regenerated.
        * libc/sys/linux/ftok.c: New file.
        * libc/sys/linux/ipc.c: Ditto.
        * libc/sys/linux/mq_close.c: Ditto.
        * libc/sys/linux/mq_getattr.c: Ditto.
        * libc/sys/linux/mq_notify.c: Ditto.
        * libc/sys/linux/mq_open.c: Ditto.
        * libc/sys/linux/mq_receive.c: Ditto.
        * libc/sys/linux/mq_send.c: Ditto.
        * libc/sys/linux/mq_setattr.c: Ditto.
        * libc/sys/linux/mq_unlink.c: Ditto.
        * libc/sys/linux/mqlocal.h: Ditto.
        * libc/sys/linux/include/mqueue.h: Ditto.
        * libc/sys/linux/sys/types.h: Define __gid_t_defined and
        __uid_t_defined.
---
 newlib/libc/sys/linux/mqlocal.h | 47 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 newlib/libc/sys/linux/mqlocal.h

(limited to 'newlib/libc/sys/linux/mqlocal.h')

diff --git a/newlib/libc/sys/linux/mqlocal.h b/newlib/libc/sys/linux/mqlocal.h
new file mode 100644
index 000000000..56fd66c2d
--- /dev/null
+++ b/newlib/libc/sys/linux/mqlocal.h
@@ -0,0 +1,47 @@
+/* local definitions needed by mq routines */
+
+#include <sys/msg.h>
+#include <signal.h>
+
+/* a message */
+typedef struct
+{
+  unsigned int type;
+  char text[1];
+} MSG; 
+
+union semun {
+  int val;
+  struct semid_ds *buf;
+  unsigned short  *array;
+} arg;
+
+/*
+ * One of these structures is malloced to describe any open message queue
+ * each time mq_open is called. 
+ */
+
+struct libc_mq;
+
+struct libc_mq {
+  int              index;          /* index of this message queue */
+  int              msgqid;         /* value returned by msgget */
+  int              semid;          /* semaphore id */
+  int              fd;             /* fd of shared memory file */
+  int              oflag;          /* original open flag used */
+  int              th;             /* thread id for mq_notify */
+  char            *name;           /* name used */
+  MSG             *wrbuf;          /* msg write buffer */
+  MSG             *rdbuf;          /* msg read buffer */
+  struct mq_attr  *attr;           /* pointer to attribute structure */
+  struct sigevent *sigevent;       /* used for mq_notify */
+  void (*cleanup_notify)(struct libc_mq *); /* also used for mq_notify */
+  struct libc_mq  *next;           /* next info struct in hash table */
+};
+
+extern struct libc_mq *__find_mq (mqd_t mq);
+extern void __cleanup_mq (mqd_t mq);
+extern void __cleanup_mq_notify (struct libc_mq *ptr);
+
+#define MSGQ_PREFIX "/dev/shm/__MSGQ__"
+
-- 
cgit v1.2.3