Hi Constantine, > I'm studying PicoLisp sources and have 2 questions about `sigUnblock` func. > > 1. Does it called by `main` func in `main.l` because signals can be > blocked by parent process?
Yes. The signal block mask is inherited across exec() calls. In fact, I don't remember exactly why this is recommended or needed in the PicoLisp main() function. > 2. Why it called in `stopTerm` func in `lib.c`? Is there is > possibility to block signals by external process? (I didn't found any > code for blocking signals inside PicoLisp.) stopTerm() calls sigUnblock(SIGTSTP), to block further SIGTSTP signals while being stopped. Here, too, I don't remember the exact reason. All this signal handling code is in PicoLisp since around April 2009. Do you think these calls are not needed? ☺/ A!ex -- UNSUBSCRIBE: mailto:picolisp@software-lab.de?subject=Unsubscribe
