mirror of https://github.com/GOSTSec/sgminer
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
41 lines
1.4 KiB
41 lines
1.4 KiB
14 years ago
|
# signalblocking.m4 serial 11
|
||
|
|
dnl Copyright (C) 2001-2002, 2006-2011 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])
|
||
|
|
signals_not_posix=
|
||
|
|
AC_EGREP_HEADER([sigset_t], [signal.h], , [signals_not_posix=1])
|
||
|
|
if test -z "$signals_not_posix"; then
|
||
|
|
AC_CHECK_FUNC([sigprocmask], [gl_cv_func_sigprocmask=1])
|
||
|
|
fi
|
||
|
|
if test -z "$gl_cv_func_sigprocmask"; then
|
||
|
|
HAVE_POSIX_SIGNALBLOCKING=0
|
||
|
|
fi
|
||
|
|
])
|
||
|
|
|
||
|
|
# Prerequisites of the part of lib/signal.in.h and of lib/sigprocmask.c.
|
||
|
|
AC_DEFUN([gl_PREREQ_SIGPROCMASK],
|
||
|
|
[
|
||
|
|
AC_REQUIRE([gl_SIGNAL_H_DEFAULTS])
|
||
|
|
AC_CHECK_TYPES([sigset_t],
|
||
|
|
[gl_cv_type_sigset_t=yes], [gl_cv_type_sigset_t=no],
|
||
|
|
[#include <signal.h>
|
||
|
|
/* Mingw defines sigset_t not in <signal.h>, but in <sys/types.h>. */
|
||
|
|
#include <sys/types.h>])
|
||
|
|
if test $gl_cv_type_sigset_t != yes; then
|
||
|
|
HAVE_SIGSET_T=0
|
||
|
|
fi
|
||
|
|
dnl HAVE_SIGSET_T is 1 if the system lacks the sigprocmask function but has
|
||
|
|
dnl the sigset_t type.
|
||
|
|
AC_SUBST([HAVE_SIGSET_T])
|
||
|
|
])
|