kc3-lang/gnulib/m4/signalblocking.m4

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• Hash : 32a72f45
  Author :
  Date : 2023-01-01T01:14:21
  

  maint: run 'make update-copyright'
  

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• m4/signalblocking.m4

• # signalblocking.m4 serial 17
  dnl Copyright (C) 2001-2002, 2006-2023 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([gl_SIGNALBLOCKING],
  [
    AC_REQUIRE([gl_SIGNAL_H_DEFAULTS])
    AC_REQUIRE([gl_CHECK_TYPE_SIGSET_T])
    HAVE_POSIX_SIGNALBLOCKING=0
    if test "$gl_cv_type_sigset_t" = yes; then
      AC_CHECK_FUNC([sigprocmask], [HAVE_POSIX_SIGNALBLOCKING=1])
    fi
  ])
  
  # Prerequisites of lib/sigprocmask.c.
  AC_DEFUN([gl_PREREQ_SIGPROCMASK], [:])
  

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