Re: Guaranteed Term Restore w/ atexit(3) No Good

From: Barry Margolin (barmar_at_alum.mit.edu)
Date: 08/31/05

  • Next message: Henry Townsend: "Re: libdl/glibc question" 
    Date: Wed, 31 Aug 2005 00:23:01 -0400

    In article <Pine.SOL.4.58.0508300919000.12892@zen.rite-group.com>,
     Rich Teer <rich.teer@rite-group.com> wrote:

    > On Tue, 30 Aug 2005, Michael B Allen wrote:
    >
    > > Can someone suggest an alternative method to ensure that
    > > "tcsetattr(STDIN_FILENO, TCSANOW, &restore);" is called when only the
    > > parent process exits?
    >
    > Not a particularly clever way, but how about making note of your
    > PID in the parent and then checking your PID in your exit handler,
    > calling tcsetattr only when getpid() == saved_parent_pid?

    A common technique is to call exit() only in the parent process, and
    _exit() in the children. 

    -- 
Barry Margolin, barmar@alum.mit.edu
Arlington, MA
*** PLEASE post questions in newsgroups, not directly to me ***
  • Next message: Henry Townsend: "Re: libdl/glibc question"

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