T-Kernel Specification (1.B0.02)

266 CHAPTER 6. T-KERNEL/DS FUNCTIONS
/*
*Event flag status information td_ref_flg
*/
typedef struct td_rflg {
VP exinf; /* extended information */
ID wtsk; /* waiting task ID */
UINT flgptn; /* current event flag pattern */
} TD_RFLG;
/*
*Mailbox status information td_ref_mbx
*/
typedef struct td_rmbx {
VP exinf; /* extended information */
ID wtsk; /* waiting task ID */
T_MSG *pk_msg; /* next message to be received */
} TD_RMBX;
/*
*Mutex status information td_ref_mtx
*/
typedef struct td_rmtx {
VP exinf; /* extended information */
ID bhtsk; /* locking task ID */
ID wtsk; /* ID of task waiting for lock */
} TD_RMTX;
/*
* Message buffer status information td_ref_mbf
*/
typedef struct td_rmbf {
VP exinf; /* extended information */
ID wtsk; /* receive waiting task ID */
ID stsk; /* send waiting task ID */
INT msgsz; /* size (in bytes) of next message to be received */
INT frbufsz; /* free buffer size (in bytes) */
INT maxmsz; /* maximum message length (in bytes) */
} TD_RMBF;
/*
*Rendezvous port status information td_ref_por
*/
typedef struct td_rpor {
VP exinf; /* extended information */
ID wtsk; /* call waiting task ID */
ID atsk; /* acceptance waiting task ID */
INT maxcmsz; /* call message maximum length (in bytes) */
INT maxrmsz; /* accept message maximum length (in bytes) */
} TD_RPOR;
Copyright c○ 2002, 2003 by T-Engine Forum
T-Kernel 1.B0.02