Sun, 15 Feb 2015 18:06:21 +0100
PID old error was not set to the previous value but was always zero.
/* config.h.in. */ #undef COPYRIGHT #undef VERSION /* Compile experimental code (may not be present) */ #undef USE_EXPERIMENT /* Compile simulator code */ #undef USE_SIMULATOR /* According to Sun we MUST define this in the source */ #define _REENTRANT 1 /* Define if you have the <wiringPi.h> header file. */ #undef HAVE_WIRINGPI_H