winsup/cygwin ChangeLog thread.cc syscalls.cc

[cgf@cygwin.com]

CVSROOT:	/cvs/uberbaum
Module name:	winsup
Changes by:	cgf@sourceware.org	2008-02-13 17:21:05

Modified files:
	cygwin         : ChangeLog thread.cc syscalls.cc 

Log message:
	* syscalls.cc (_isatty): Define as an alias to isatty to override newlib
	version.
	* thread.cc (pthread_kill): Deal with signal 0 as per POSIX and also avoid
	manipulating an invalid thread.

Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/winsup/cygwin/ChangeLog.diff?cvsroot=uberbaum&r1=1.4010&r2=1.4011
http://sourceware.org/cgi-bin/cvsweb.cgi/winsup/cygwin/thread.cc.diff?cvsroot=uberbaum&r1=1.205&r2=1.206
http://sourceware.org/cgi-bin/cvsweb.cgi/winsup/cygwin/syscalls.cc.diff?cvsroot=uberbaum&r1=1.469&r2=1.470