On 11/27/16 3:47 PM, Dmitry Goncharov wrote: > On Fri, Nov 25, 2016 at 12:40:58PM -0500, Chet Ramey wrote: >> On 11/25/16 9:57 AM, Dmitry Goncharov wrote: >>> Auto variables have unspecified values after a call to longjmp. >> >> This is true. It's what the USE_VAR macro is intended to defeat, but let's >> see what marking i volatile does. > > Chet, can you please tell why sigalarm/longjmp was preferred over select?
Well, 17 years ago when that code went into `read', SIGALRM was more portable and fit better with the existing code base. Chet -- ``The lyf so short, the craft so long to lerne.'' - Chaucer ``Ars longa, vita brevis'' - Hippocrates Chet Ramey, UTech, CWRU c...@case.edu http://cnswww.cns.cwru.edu/~chet/