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