1 | /* |
---|
2 | * COPYRIGHT (c) 1989-1999. |
---|
3 | * On-Line Applications Research Corporation (OAR). |
---|
4 | * |
---|
5 | * The license and distribution terms for this file may be |
---|
6 | * found in the file LICENSE in this distribution or at |
---|
7 | * http://www.OARcorp.com/rtems/license.html. |
---|
8 | * |
---|
9 | * $Id$ |
---|
10 | */ |
---|
11 | |
---|
12 | #ifndef __ITRON_EVENTFLAGS_h_ |
---|
13 | #define __ITRON_EVENTFLAGS_h_ |
---|
14 | |
---|
15 | #ifdef __cplusplus |
---|
16 | extern "C" { |
---|
17 | #endif |
---|
18 | |
---|
19 | /* |
---|
20 | * Create Eventflags (cre_flg) Structure |
---|
21 | */ |
---|
22 | |
---|
23 | typedef struct t_cflg { |
---|
24 | VP exinf; /* extended information */ |
---|
25 | ATR flgatr; /* eventflag attribute */ |
---|
26 | UINT iflgptn; /* initial eventflag */ |
---|
27 | /* additional information may be included depending on the implementation */ |
---|
28 | } T_CFLG; |
---|
29 | |
---|
30 | /* |
---|
31 | * flgatr |
---|
32 | */ |
---|
33 | |
---|
34 | #define TA_WSGL 0x00 /* multiple tasks are not allowed to wait (Wait |
---|
35 | Single Task) */ |
---|
36 | #define TA_WMUL 0x08 /* multiple tasks are allowed to wait (Wait |
---|
37 | Multiple Task) */ |
---|
38 | |
---|
39 | /* |
---|
40 | * wfmode |
---|
41 | */ |
---|
42 | |
---|
43 | #define TWF_ANDW 0x00 /* AND wait */ |
---|
44 | #define TWF_ORW 0x02 /* OR wait */ |
---|
45 | #define TWF_CLR 0x01 /* clear specification */ |
---|
46 | |
---|
47 | /* |
---|
48 | * Reference Eventflags (ref_flg) Structure |
---|
49 | */ |
---|
50 | |
---|
51 | typedef struct t_rflg { |
---|
52 | VP exinf; /* extended information */ |
---|
53 | BOOL_ID wtsk; /* indicates whether or not there is a waiting task */ |
---|
54 | UINT flgptn; /* eventflag bit pattern */ |
---|
55 | /* additional information may be included depending on the implementation */ |
---|
56 | } T_RFLG; |
---|
57 | |
---|
58 | /* |
---|
59 | * Eventflag Functions |
---|
60 | */ |
---|
61 | |
---|
62 | /* |
---|
63 | * cre_flg - Create Eventflag |
---|
64 | */ |
---|
65 | |
---|
66 | ER cre_flg( |
---|
67 | ID flgid, |
---|
68 | T_CFLG *pk_cflg |
---|
69 | ); |
---|
70 | |
---|
71 | /* |
---|
72 | * del_flg - Delete Eventflag |
---|
73 | */ |
---|
74 | |
---|
75 | ER del_flg( |
---|
76 | ID flgid |
---|
77 | ); |
---|
78 | |
---|
79 | /* |
---|
80 | * set_flg - Set Eventflag |
---|
81 | */ |
---|
82 | |
---|
83 | ER set_flg( |
---|
84 | ID flgid, |
---|
85 | UINT setptn |
---|
86 | ); |
---|
87 | |
---|
88 | /* |
---|
89 | * clr_flg - Clear Eventflag |
---|
90 | */ |
---|
91 | |
---|
92 | ER clr_flg( |
---|
93 | ID flgid, |
---|
94 | UINT clrptn |
---|
95 | ); |
---|
96 | |
---|
97 | /* |
---|
98 | * wai_flg - Wait on Eventflag |
---|
99 | */ |
---|
100 | |
---|
101 | ER wai_flg( |
---|
102 | UINT *p_flgptn, |
---|
103 | ID flgid, |
---|
104 | UINT waiptn, |
---|
105 | UINT wfmode |
---|
106 | ); |
---|
107 | |
---|
108 | /* |
---|
109 | * pol_flg - Wait for Eventflag(Polling) |
---|
110 | */ |
---|
111 | |
---|
112 | ER pol_flg( |
---|
113 | UINT *p_flgptn, |
---|
114 | ID flgid, |
---|
115 | UINT waiptn, |
---|
116 | UINT wfmode |
---|
117 | ); |
---|
118 | |
---|
119 | /* |
---|
120 | * twai_flg - Wait on Eventflag with Timeout |
---|
121 | */ |
---|
122 | |
---|
123 | ER twai_flg( |
---|
124 | UINT *p_flgptn, |
---|
125 | ID flgid, |
---|
126 | UINT waiptn, |
---|
127 | UINT wfmode, |
---|
128 | TMO tmout |
---|
129 | ); |
---|
130 | |
---|
131 | /* |
---|
132 | * ref_flg - Reference Eventflag Status |
---|
133 | */ |
---|
134 | |
---|
135 | ER ref_flg( |
---|
136 | T_RFLG *pk_rflg, |
---|
137 | ID flgid |
---|
138 | ); |
---|
139 | |
---|
140 | #ifdef __cplusplus |
---|
141 | } |
---|
142 | #endif |
---|
143 | |
---|
144 | #endif |
---|
145 | /* end of include file */ |
---|
146 | |
---|