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comparison src/gpf/osl/os_evt.c @ 6:8b2a9a374324

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src/gpf: addition of Magnetite src/gpf2
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 15 Jul 2018 08:15:49 +0000
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5:1ea54a97e831 6:8b2a9a374324
1 /*
2 * This C module is a reconstruction based on the disassembly of
3 * os_evt.obj in frame_na7_db_fl.lib from the Leonardo package.
4 */
5
6 /* set of included headers from COFF symtab: */
7 #include <stdio.h>
8 #include <string.h>
9 #include "gpfconf.h" /* FreeCalypso addition */
10 #include "../../nucleus/nucleus.h"
11 #include "typedefs.h"
12 #include "os.h"
13 #include "gdi.h"
14 #include "os_types.h"
15 #include "os_glob.h"
16
17 extern T_OS_EVTGRP_TABLE_ENTRY EvtGrpTable[];
18
19 GLOBAL LONG
20 os_SetEvents(OS_HANDLE evt_grp_handle, unsigned event_flags)
21 {
22 if (!EvtGrpTable[evt_grp_handle].Name[0])
23 return(OS_ERROR);
24 if (NU_Set_Events(&EvtGrpTable[evt_grp_handle].EvtGrp, event_flags,
25 NU_OR) == NU_SUCCESS)
26 return(OS_OK);
27 else
28 return(OS_ERROR);
29 }
30
31 GLOBAL LONG
32 os_RetrieveEvents(OS_HANDLE evt_grp_handle, unsigned event_flags, char option,
33 unsigned *retrieved_events, unsigned suspend)
34 {
35 if (!EvtGrpTable[evt_grp_handle].Name[0])
36 return(OS_ERROR);
37 if (NU_Retrieve_Events(&EvtGrpTable[evt_grp_handle].EvtGrp,
38 event_flags, option, retrieved_events, suspend)
39 == NU_SUCCESS)
40 return(OS_OK);
41 else
42 return(OS_ERROR);
43 }
44
45 GLOBAL LONG
46 os_GetEventGroupHandle(char *evt_grp_name, OS_HANDLE *evt_grp_handle)
47 {
48 int idx;
49
50 for (idx = 0; idx <= MaxEventGroups; idx++) {
51 if (!EvtGrpTable[idx].Name[0])
52 break;
53 if (!strncmp(EvtGrpTable[idx].Name, evt_grp_name,
54 RESOURCE_NAMELEN))
55 break;
56 }
57 if (idx > MaxEventGroups || !EvtGrpTable[idx].Name[0]) {
58 *evt_grp_handle = -1;
59 return(OS_ERROR);
60 }
61 *evt_grp_handle = idx;
62 return(OS_OK);
63 }
64
65 GLOBAL LONG
66 os_EventGroupInformation(OS_HANDLE evt_grp_handle, char *Name,
67 unsigned *mask_evt, unsigned *tasks_waiting,
68 OS_HANDLE *first_task)
69 {
70 if (!EvtGrpTable[evt_grp_handle].Name[0])
71 return(OS_ERROR);
72 if (NU_Event_Group_Information(&EvtGrpTable[evt_grp_handle].EvtGrp,
73 Name, mask_evt, tasks_waiting,
74 first_task) == NU_SUCCESS)
75 return(OS_OK);
76 else
77 return(OS_ERROR);
78 }