fis-gtm/sr_unix/iott_close.c

77 lines
1.9 KiB
C

/****************************************************************
* *
* Copyright 2001, 2009 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 "gtm_unistd.h"
#include <errno.h>
#include "io.h"
#include "iottdef.h"
#include "io_params.h"
#include "gtmio.h"
#include "stringpool.h"
#include "setterm.h"
GBLREF io_pair io_std_device;
LITREF unsigned char io_params_size[];
void iott_close(io_desc *v, mval *pp)
{
/* only exception allowed */
error_def(ERR_SYSCALL);
d_tt_struct *ttptr;
params ch;
int status;
int p_offset;
assert(v->type == tt);
if (v->state != dev_open)
return;
iott_flush(v);
if (v->pair.in != v)
assert(v->pair.out == v);
ttptr = (d_tt_struct *)v->dev_sp;
if (v->pair.out != v)
assert(v->pair.in == v);
v->state = dev_closed;
resetterm(v);
p_offset = 0;
while (*(pp->str.addr + p_offset) != iop_eol)
{
if ((ch = *(pp->str.addr + p_offset++)) == iop_exception)
{
v->error_handler.len = *(pp->str.addr + p_offset);
v->error_handler.addr = (char *)(pp->str.addr + p_offset + 1);
s2pool(&v->error_handler);
}
p_offset += ((IOP_VAR_SIZE == io_params_size[ch]) ?
(unsigned char)*(pp->str.addr + p_offset) + 1 : io_params_size[ch]);
}
if (v == io_std_device.in || (v == io_std_device.out))
return;
CLOSEFILE_RESET(ttptr->fildes, status); /* resets "ttptr->fildes" to FD_INVALID */
if (0 != status)
{
assert(status == errno);
rts_error(VARLSTCNT(8) ERR_SYSCALL, 5, RTS_ERROR_LITERAL("iott_close(CLOSEFILE)"), CALLFROM, status);
}
if (ttptr->recall_buff.addr)
{
free(ttptr->recall_buff.addr);
ttptr->recall_buff.addr = NULL;
}
return;
}