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bacnet_stack/apps/router/msgqueue.h
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Kari Argillander dab6d8af55 Build more code in CI (#725)
* bugfix/hostnport: Fix bacnet_fdt_entry_from_ascii() parse wrong
* apps/router: Fix Wstrict-prototypes compiler warnings
* apps/router: Fix -Wmissing-field-initializers compiler warning
* ports/linux: Fix -Wself-assign compiler warning
* ports/linux: Fix -Wunused-function compiler warning
* Fix -Wimplicit-function-declaration warnings
* ci: Add more compile options to enable more code build
* ci: Do not fail-fast our main matrix build
* cmake: Add -Wno-c99-extensions compiler option

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Co-authored-by: Kari Argillander <kari.argillander@fidelix.com>
Co-authored-by: Steve Karg <skarg@users.sourceforge.net>
2024-08-15 11:20:10 -05:00

83 lines
1.4 KiB
C

/**
* @file
* @author Andriy Sukhynyuk, Vasyl Tkhir, Andriy Ivasiv
* @date 2012
* @brief Message queue module
*
* @section LICENSE
*
* SPDX-License-Identifier: MIT
*/
#ifndef MSGQUEUE_H
#define MSGQUEUE_H
#include <stdint.h>
#include <stdbool.h>
#include <sys/types.h>
#include <sys/ipc.h>
#include <sys/msg.h>
/* BACnet Stack defines - first */
#include "bacnet/bacdef.h"
/* BACnet Stack API */
#include "bacnet/npdu.h"
extern pthread_mutex_t msg_lock;
#define INVALID_MSGBOX_ID -1
typedef int MSGBOX_ID;
typedef enum {
DATA = 1,
SERVICE
} MSGTYPE;
typedef enum {
SHUTDOWN,
CHG_IP,
CHG_MAC
} MSGSUBTYPE;
typedef struct _message {
MSGTYPE type;
MSGBOX_ID origin;
MSGSUBTYPE subtype;
void *data;
/* add timestamp */
} BACMSG;
/* specific message type data structures */
typedef struct _msg_data {
BACNET_ADDRESS dest;
BACNET_ADDRESS src;
uint8_t *pdu;
uint16_t pdu_len;
uint8_t ref_count;
} MSG_DATA;
MSGBOX_ID create_msgbox(void);
/* returns sent byte count */
bool send_to_msgbox(
MSGBOX_ID dest,
BACMSG * msg);
/* returns received message */
BACMSG *recv_from_msgbox(
MSGBOX_ID src,
BACMSG * msg,
int flags);
void del_msgbox(
MSGBOX_ID msgboxid);
/* free message data structure */
void free_data(
MSG_DATA * data);
/* check message reference counter and delete data if needed */
void check_data(
MSG_DATA * data);
#endif /* end of MSGQUEUE_H */