diff options
Diffstat (limited to 'm4/macros/check_restartable_signal_handler.m4')
| -rw-r--r-- | m4/macros/check_restartable_signal_handler.m4 | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/m4/macros/check_restartable_signal_handler.m4 b/m4/macros/check_restartable_signal_handler.m4 new file mode 100644 index 000000000000..224274f8d465 --- /dev/null +++ b/m4/macros/check_restartable_signal_handler.m4 @@ -0,0 +1,22 @@ +dnl ###################################################################### +dnl check if a system needs to restart its signal handlers +AC_DEFUN([AMU_CHECK_RESTARTABLE_SIGNAL_HANDLER], +[ +AC_CACHE_CHECK(if system needs to restart signal handlers, +ac_cv_restartable_signal_handler, +[ +# select the correct systems to restart signal handlers +case "${host_os_name}" in + svr3* | svr4* | sysv4* | solaris2* | sunos5* | aoi* | irix* ) + ac_cv_restartable_signal_handler=yes ;; + * ) + ac_cv_restartable_signal_handler=no ;; +esac +]) +# define REINSTALL_SIGNAL_HANDLER if need to +if test "$ac_cv_restartable_signal_handler" = yes +then + AC_DEFINE(REINSTALL_SIGNAL_HANDLER) +fi +]) +dnl ====================================================================== |