File:  [CSRG BSD Unix] / 42BSD / ucb / dbx / cerror.s
Revision 1.1.1.1 (vendor branch): download - view: text, annotated - select for diffs
Tue Apr 24 16:12:54 2018 UTC (8 years, 1 month ago) by root
Branches: MAIN, BSD
CVS tags: HEAD, BSD42
BSD 4.2

# Copyright (c) 1982 Regents of the University of California
#
# static char sccsid[] = "@(#)cerror.s 1.3 9/2/82";
#
# modified version of cerror
#
# The idea is that every time an error occurs in a system call
# I want a special function "syserr" called.  This function will
# either print a message and exit or do nothing depending on
# defaults and use of "onsyserr".
#

.globl	cerror
.comm	_errno,4

cerror:
	movl	r0,_errno
	calls	$0,_syserr	# new code
	mnegl	$1,r0
	ret

.globl	__mycerror		# clumsy way to get this loaded

__mycerror:
	.word	0
	ret

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