Files
QNX/services/mqueue/mq.h
2025-08-20 19:02:58 +08:00

65 lines
1.5 KiB
C

/*
* $QNXLicenseC:
* Copyright 2007, QNX Software Systems. All Rights Reserved.
*
* You must obtain a written license from and pay applicable license fees to QNX
* Software Systems before you may reproduce, modify or distribute this software,
* or any work that includes all or part of this software. Free development
* licenses are available for evaluation and non-commercial purposes. For more
* information visit http://licensing.qnx.com or email licensing@qnx.com.
*
* This file may contain contributions from others. Please review this entire
* file for other proprietary rights or license notices, as well as the QNX
* Development Suite License Guide at http://licensing.qnx.com/license-guide/
* for other information.
* $
*/
#include <signal.h>
#include <sys/iofunc.h>
typedef struct mqwait_entry {
struct mqwait_entry *next;
unsigned priority;
int rcvid;
int scoid;
int coid;
unsigned xtype;
} MQWAIT;
typedef struct mqmsg_entry {
struct mqmsg_entry *next;
unsigned priority;
int nbytes;
char data[1];
} MQMSG;
#define MQ_DATAOFF (offsetof(MQMSG, data))
typedef struct mqdev_entry {
iofunc_attr_t attr;
struct mqdev_entry *link;
int id;
MQWAIT *waiting_read;
MQWAIT *waiting_write;
MQMSG *waiting_msg[2];
struct mq_attr mq_attr;
iofunc_notify_t notify[3];
char name[1];
} MQDEV;
struct ocb {
iofunc_ocb_t ocb;
struct mqclosemsg *closemsg;
int notify_attached;
};
struct mqclosemsg {
int nbytes;
char data[1];
};