mirror of
https://github.com/jedisct1/libsodium.git
synced 2024-12-23 20:15:19 -07:00
Check if SIGABRT can be trapped multiple times in a row
This commit is contained in:
parent
8ee67b1dd7
commit
558355e566
@ -323,6 +323,7 @@ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
|
||||
])
|
||||
|
||||
AX_CHECK_CATCHABLE_SEGV
|
||||
AX_CHECK_CATCHABLE_ABRT
|
||||
|
||||
LT_INIT
|
||||
AC_SUBST(LIBTOOL_DEPS)
|
||||
|
57
m4/ax_check_catchable_abrt.m4
Normal file
57
m4/ax_check_catchable_abrt.m4
Normal file
@ -0,0 +1,57 @@
|
||||
# SYNOPSIS
|
||||
#
|
||||
# AX_CHECK_CATCHABLE_ABRT
|
||||
#
|
||||
# DESCRIPTION
|
||||
#
|
||||
# Check whether SIGABRT can be caught using signal handlers.
|
||||
|
||||
#serial 1
|
||||
|
||||
AC_DEFUN([AX_CHECK_CATCHABLE_ABRT], [dnl
|
||||
AC_PREREQ(2.64)
|
||||
AS_VAR_PUSHDEF([CACHEVAR], [ax_cv_check_[]_AC_LANG_ABBREV[]CATCHABLE_ABRT])dnl
|
||||
AC_CACHE_CHECK([whether SIGABRT can be caught when using the _AC_LANG compiler], CACHEVAR, [
|
||||
AC_RUN_IFELSE([
|
||||
AC_LANG_PROGRAM([[
|
||||
#include <signal.h>
|
||||
#include <stdlib.h>
|
||||
|
||||
#ifndef SIGABRT
|
||||
# error SIGABRT is not defined
|
||||
#endif
|
||||
|
||||
static void sigabrt_handler_3(int _)
|
||||
{
|
||||
exit(0);
|
||||
}
|
||||
|
||||
static void sigabrt_handler_2(int _)
|
||||
{
|
||||
signal(SIGABRT, sigabrt_handler_3);
|
||||
abort();
|
||||
exit(1);
|
||||
}
|
||||
|
||||
static void sigabrt_handler_1(int _)
|
||||
{
|
||||
signal(SIGABRT, sigabrt_handler_2);
|
||||
abort();
|
||||
exit(1);
|
||||
}
|
||||
]], [[
|
||||
signal(SIGABRT, sigabrt_handler_1);
|
||||
abort();
|
||||
exit(1);
|
||||
]])],
|
||||
[AS_VAR_SET(CACHEVAR, [yes])],
|
||||
[AS_VAR_SET(CACHEVAR, [no])],
|
||||
[AS_VAR_SET(CACHEVAR, [unknown])]
|
||||
)
|
||||
])
|
||||
AS_VAR_IF(CACHEVAR, yes,
|
||||
[AC_DEFINE([HAVE_CATCHABLE_ABRT], [1], [Define if SIGABRT can be caught using signal handlers])],
|
||||
[AC_MSG_WARN([On this platform, SIGABRT cannot be caught using signal handlers.])]
|
||||
)
|
||||
AS_VAR_POPDEF([CACHEVAR])dnl
|
||||
])
|
@ -2,7 +2,7 @@
|
||||
#define TEST_NAME "misuse"
|
||||
#include "cmptest.h"
|
||||
|
||||
#if defined(SIGABRT) && (defined(__APPLE__) || defined(__OpenBSD__))
|
||||
#ifdef HAVE_CATCHABLE_ABRT
|
||||
# include <signal.h>
|
||||
|
||||
static void
|
||||
|
Loading…
Reference in New Issue
Block a user