00001
00022 #ifndef _RTAI_EVENT_H
00023 #define _RTAI_EVENT_H
00024
00025 #include <nucleus/synch.h>
00026 #include <rtai/types.h>
00027
00028
00029 #define EV_PRIO XNSYNCH_PRIO
00030 #define EV_FIFO XNSYNCH_FIFO
00031
00032
00033 #define EV_ANY 0x1
00034 #define EV_ALL 0x0
00035
00036 typedef struct rt_event_info {
00037
00038 unsigned long value;
00039
00040 int nwaiters;
00041
00042 char name[XNOBJECT_NAME_LEN];
00043
00044 } RT_EVENT_INFO;
00045
00046 typedef struct rt_event_placeholder {
00047 rt_handle_t opaque;
00048 } RT_EVENT_PLACEHOLDER;
00049
00050 #if defined(__KERNEL__) || defined(__RTAI_SIM__)
00051
00052 #define RTAI_EVENT_MAGIC 0x55550404
00053
00054 typedef struct rt_event {
00055
00056 unsigned magic;
00057
00058 xnsynch_t synch_base;
00059
00060 unsigned long value;
00061
00062 rt_handle_t handle;
00063
00064 char name[XNOBJECT_NAME_LEN];
00065
00066 #if defined(__KERNEL__) && defined(CONFIG_RTAI_OPT_FUSION)
00067 pid_t cpid;
00068 #endif
00069
00070 } RT_EVENT;
00071
00072 #ifdef __cplusplus
00073 extern "C" {
00074 #endif
00075
00076 int __event_pkg_init(void);
00077
00078 void __event_pkg_cleanup(void);
00079
00080 #ifdef __cplusplus
00081 }
00082 #endif
00083
00084 #else
00085
00086 typedef RT_EVENT_PLACEHOLDER RT_EVENT;
00087
00088 #ifdef __cplusplus
00089 extern "C" {
00090 #endif
00091
00092 int rt_event_bind(RT_EVENT *event,
00093 const char *name);
00094
00095 static inline int rt_event_unbind (RT_EVENT *event)
00096
00097 {
00098 event->opaque = RT_HANDLE_INVALID;
00099 return 0;
00100 }
00101
00102 #ifdef __cplusplus
00103 }
00104 #endif
00105
00106 #endif
00107
00108 #ifdef __cplusplus
00109 extern "C" {
00110 #endif
00111
00112
00113
00114 int rt_event_create(RT_EVENT *event,
00115 const char *name,
00116 unsigned long ivalue,
00117 int mode);
00118
00119 int rt_event_delete(RT_EVENT *event);
00120
00121 int rt_event_signal(RT_EVENT *event,
00122 unsigned long mask);
00123
00124 int rt_event_wait(RT_EVENT *event,
00125 unsigned long mask,
00126 unsigned long *mask_r,
00127 int mode,
00128 RTIME timeout);
00129
00130 int rt_event_clear(RT_EVENT *event,
00131 unsigned long mask,
00132 unsigned long *mask_r);
00133
00134 int rt_event_inquire(RT_EVENT *event,
00135 RT_EVENT_INFO *info);
00136
00137 #ifdef __cplusplus
00138 }
00139 #endif
00140
00141 #endif