winsup/cygwin ChangeLog fhandler.cc fhandler.h ...

[cgf@cygwin.com]

CVSROOT:	/cvs/uberbaum
Module name:	winsup
Changes by:	cgf@sources.redhat.com	2002-08-30 08:47:10

Modified files:
	cygwin         : ChangeLog fhandler.cc fhandler.h 
	                 fhandler_socket.cc miscfuncs.cc syscalls.cc 
	                 winsup.h 
	cygwin/include/sys: uio.h 

Log message:
	* miscfuncs.cc (check_iovec_for_read): Don't check buffer when zero length
	iov_len.
	(check_iovec_for_write): Ditto.
	* fhandler.h (fhandler_base::readv): New method.
	(fhandler_base::writev): Ditto.
	* fhandler.cc (fhandler_base::readv): New method.
	(fhandler_base::writev): Ditto.
	* syscalls.cc (_read): Delegate to readv(2).
	(_write): Ditto, mutatis mutandi.
	(readv): Rewrite, based on the old _read code, to use the new
	fhandler_base::readv method.  Improve access mode handling and ensure all calls
	reach the final strace statement.
	(writev): Ditto, mutatis mutandi.
	* include/sys/uio.h (struct iovec): Change field types to match SUSv3.
	* winsup.h (check_iovec_for_read): New function.
	(check_iovec_for_write): Ditto.
	* miscfuncs.cc (check_iovec_for_read): Ditto.
	(check_iovec_for_write): Ditto.

Patches:
http://sources.redhat.com/cgi-bin/cvsweb.cgi/winsup/cygwin/ChangeLog.diff?cvsroot=uberbaum&r1=1.1462&r2=1.1463
http://sources.redhat.com/cgi-bin/cvsweb.cgi/winsup/cygwin/fhandler.cc.diff?cvsroot=uberbaum&r1=1.133&r2=1.134
http://sources.redhat.com/cgi-bin/cvsweb.cgi/winsup/cygwin/fhandler.h.diff?cvsroot=uberbaum&r1=1.136&r2=1.137
http://sources.redhat.com/cgi-bin/cvsweb.cgi/winsup/cygwin/fhandler_socket.cc.diff?cvsroot=uberbaum&r1=1.61&r2=1.62
http://sources.redhat.com/cgi-bin/cvsweb.cgi/winsup/cygwin/miscfuncs.cc.diff?cvsroot=uberbaum&r1=1.13&r2=1.14
http://sources.redhat.com/cgi-bin/cvsweb.cgi/winsup/cygwin/syscalls.cc.diff?cvsroot=uberbaum&r1=1.224&r2=1.225
http://sources.redhat.com/cgi-bin/cvsweb.cgi/winsup/cygwin/winsup.h.diff?cvsroot=uberbaum&r1=1.99&r2=1.100
http://sources.redhat.com/cgi-bin/cvsweb.cgi/winsup/cygwin/include/sys/uio.h.diff?cvsroot=uberbaum&r1=1.4&r2=1.5