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/* This is file READ.S */
/*
** Copyright (C) 1991 DJ Delorie, 24 Kirsten Ave, Rochester NH 03867-2954
**
** This file is distributed under the terms listed in the document
** "copying.dj", available from DJ Delorie at the address above.
** A copy of "copying.dj" should accompany this file; if not, a copy
** should be available from where this file was obtained. This file
** may not be distributed without a verbatim copy of "copying.dj".
**
** This file is distributed WITHOUT ANY WARRANTY; without even the implied
** warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*/
.text
.globl _read
_read:
pushl %eax
movl $0,%eax
cmp 8(%esp),%eax /* Is it stdin */
jne NotStdin
cmp _interrupt_flag,%eax /* Any SIGINT Interrupt pending ? */
je NoInterrupt
call _sigalrm
NoInterrupt:
NotStdin:
popl %eax
pushl %ebx
pushl %esi
pushl %edi
movl 16(%esp),%ebx
movl 20(%esp),%edx
movl 24(%esp),%ecx
movb $0x3f,%ah
int $0x21
popl %edi
popl %esi
popl %ebx
jb syscall_error
ret
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