AC_CHECK_SIZEOF(long long)
AC_CHECK_SIZEOF(__int64)
+AC_CACHE_CHECK([for sig_atomic_t], ac_cv_type_sig_atomic_t,
+ [AC_TRY_LINK([#include <signal.h>
+ #include <sys/types.h>
+ sig_atomic_t val = 42;],
+ [return val == 42 ? 0 : 1],
+ ac_cv_type_sig_atomic_t=yes,
+ ac_cv_type_sig_atomic_t=no)])
+if test x$ac_cv_type_sig_atomic_t = xyes; then
+ AC_DEFINE(HAVE_SIG_ATOMIC_T, 1,
+ [Define if you have the 'sig_atomic_t' type.])
+fi
+
if test x$ac_cv_sizeof_long = x8 || test x$ac_cv_sizeof_long_long = x8 || test x$ac_cv_sizeof___int64 = x8 ; then
:
else
/* UNIX signals work by marking one of these variables then waking the
* worker context to check on them and dispatch accordingly.
*/
-static volatile gchar unix_signal_pending[NSIG];
-static volatile gboolean any_unix_signal_pending;
+#ifdef HAVE_SIG_ATOMIC_T
+static volatile sig_atomic_t unix_signal_pending[NSIG];
+static volatile sig_atomic_t any_unix_signal_pending;
+#else
+static volatile int unix_signal_pending[NSIG];
+static volatile int any_unix_signal_pending;
+#endif
/* Guards all the data below */
G_LOCK_DEFINE_STATIC (unix_signal_lock);