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
|
/****************************************************************
* *
* Copyright 2001, 2011 Fidelity Information Services, Inc *
* *
* This source code contains the intellectual property *
* of its copyright holder(s), and is made available *
* under a license. If you do not know the terms of *
* the license, please stop and do not read further. *
* *
****************************************************************/
#include "mdef.h"
#include <rtnhdr.h>
#include "stack_frame.h"
#include "error.h"
#include "gtmci.h"
#include "op.h"
#include "error_trap.h"
GBLREF stack_frame *frame_pointer;
GBLREF unsigned char *msp;
GBLREF int mumps_status;
/* Routine executed at level 1 (SFF_CI frame) of the current gtm environment
* to return control from M to gtm_ci(). the longjmp returns control to dm_start
* which in turn returns to gtm_ci(). */
void ci_ret_code(void)
{
assert(active_ch->ch == &mdb_condition_handler);
longjmp(active_ch->jmp, -1);
}
/* Routine executed at level 0 from the bottom-most frame (base frame) of the
current gtm environment - called when M routine does zgoto 0 */
void ci_ret_code_exit(void)
{
assert(active_ch->ch == &mdb_condition_handler);
ci_ret_code_quit();
mumps_status = 0;
longjmp(active_ch->jmp, -1);
}
/* Exit from the current Call-in environment */
void ci_ret_code_quit(void)
{
DCL_THREADGBL_ACCESS;
SETUP_THREADGBL_ACCESS;
if (frame_pointer->flags & SFF_CI)
op_unwind();
gtmci_isv_restore(); /* restore $ECODE/$STACK of previous level in the nested call-ins */
op_unwind(); /* base frame of this call-in environment */
(TREF(gtmci_nested_level))--;
/* restore frame_pointer stored at msp (see base_frame.c) */
frame_pointer = *(stack_frame**)msp;
msp += SIZEOF(frame_pointer);
}
|
