kc3-lang/gnulib/m4/signalblocking.m4

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• Hash : 52aceb00
  Author :
  Date : 2005-01-18T13:07:56
  

  Use an all-permissive copyright notice, recommended by RMS.
  

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• m4/signalblocking.m4

• # signalblocking.m4 serial 1 (gettext-0.11)
  dnl Copyright (C) 2001-2002 Free Software Foundation, Inc.
  dnl This file is free software; the Free Software Foundation
  dnl gives unlimited permission to copy and/or distribute it,
  dnl with or without modifications, as long as this notice is preserved.
  
  # Determine available signal blocking primitives. Three different APIs exist:
  # 1) POSIX: sigemptyset, sigaddset, sigprocmask
  # 2) SYSV: sighold, sigrelse
  # 3) BSD: sigblock, sigsetmask
  # For simplicity, here we check only for the POSIX signal blocking.
  AC_DEFUN([gt_SIGNALBLOCKING],
  [
    signals_not_posix=
    AC_EGREP_HEADER(sigset_t, signal.h, , signals_not_posix=1)
    if test -z "$signals_not_posix"; then
      AC_CHECK_FUNC(sigprocmask,
        AC_DEFINE(HAVE_POSIX_SIGNALBLOCKING, 1,
         [Define to 1 if you have the sigset_t type and the sigprocmask function.]))
    fi
  ])
  

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