1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
|
/* GRT stack implementation for Win32 using fibers.
Copyright (C) 2005 Tristan Gingold.
GHDL is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2, or (at your option) any later
version.
GHDL is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to the Free
Software Foundation, 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA.
*/
#include <windows.h>
#include <stdio.h>
struct stack_type
{
LPVOID fiber; // Win fiber.
void (*func)(void *); // Function
void *arg; // Function argument.
};
static struct stack_type main_stack_context;
extern void grt_set_main_stack (struct stack_type *stack);
void grt_stack_init(void)
{
main_stack_context.fiber = ConvertThreadToFiber (NULL);
if (main_stack_context.fiber == NULL)
{
fprintf (stderr, "convertThreadToFiber failed (err=%lu)\n",
GetLastError ());
abort ();
}
grt_set_main_stack (&main_stack_context);
}
static VOID __stdcall
grt_stack_loop (void *v_stack)
{
struct stack_type *stack = (struct stack_type *)v_stack;
while (1)
{
(*stack->func)(stack->arg);
}
}
struct stack_type *
grt_stack_create (void (*func)(void *), void *arg)
{
struct stack_type *res;
res = malloc (sizeof (struct stack_type));
if (res == NULL)
return NULL;
res->func = func;
res->arg = arg;
res->fiber = CreateFiber (0, &grt_stack_loop, res);
if (res->fiber == NULL)
{
free (res);
return NULL;
}
return res;
}
void
grt_stack_switch (struct stack_type *to, struct stack_type *from)
{
SwitchToFiber (to->fiber);
}
void
grt_stack_delete (struct stack_type *stack)
{
DeleteFiber (stack->fiber);
stack->fiber = NULL;
}
#ifndef WITH_GNAT_RUN_TIME
void __gnat_raise_storage_error(void)
{
abort ();
}
void __gnat_raise_program_error(void)
{
abort ();
}
#endif
|
