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Speccy ClassiX 1998
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ixemul-41.4
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pipe.dos.c
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1995-05-28
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/*
* This file is part of ixemul.library for the Amiga.
* Copyright (C) 1991, 1992 Markus M. Wild
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* pipe.dos.c,v 1.1.1.1 1994/04/04 04:29:55 amiga Exp
*
* pipe.dos.c,v
* Revision 1.1.1.1 1994/04/04 04:29:55 amiga
* Initial CVS check in.
*
* Revision 1.1 1992/05/14 19:55:40 mwild
* Initial revision
*
*/
#define KERNEL
#include "ixemul.h"
#include "kprintf.h"
extern int __read(), __write(), __ioctl(), __fselect(), __close();
int
pipe (int pv[2])
{
BPTR bpv[2];
struct file *f1, *f2;
int res, err, omask;
omask = syscall (SYS_sigsetmask, ~0);
res = -1;
err = EMFILE;
if (__pipe (bpv))
{
if (! falloc (&f1, pv))
{
if (! falloc (&f2, pv+1))
{
f1->f_fh = BTOCPTR (bpv[0]);
__init_std_packet (& f1->f_sp);
__fstat (f1);
f1->f_flags = FREAD;
f1->f_type = DTYPE_FILE;
f1->f_read = __read;
f1->f_write = 0;
f1->f_ioctl = __ioctl;
f1->f_close = __close;
f1->f_select = __fselect;
f2->f_fh = BTOCPTR (bpv[1]);
__init_std_packet (& f2->f_sp);
__fstat (f2);
f2->f_flags = FWRITE;
f2->f_type = DTYPE_FILE;
f2->f_read = 0;
f2->f_write = __write;
f2->f_ioctl = __ioctl;
f2->f_close = __close;
f2->f_select = __fselect;
res = err =0;
goto ret;
}
f1->f_count = 0;
}
__Close (bpv[0]);
__Close (bpv[1]);
}
ret:
syscall (SYS_sigsetmask, omask);
errno = err;
KPRINTF (("&errno = %lx, errno = %ld\n", &errno, errno));
return res;
}