+
+#ifndef HAVE_STRSIGNAL
+/* strsignal is in sysdep.c */
+char *strsignal ();
+#endif
+
+#ifdef HAVE_GTK_AND_PTHREAD
+#define SIGNAL_THREAD_CHECK(signo) \
+ do { \
+ if (pthread_self () != main_thread) \
+ { \
+ /* POSIX says any thread can receive the signal. On GNU/Linux \
+ that is not true, but for other systems (FreeBSD at least) \
+ it is. So direct the signal to the correct thread and block \
+ it from this thread. */ \
+ sigset_t new_mask; \
+ \
+ sigemptyset (&new_mask); \
+ sigaddset (&new_mask, signo); \
+ pthread_sigmask (SIG_BLOCK, &new_mask, 0); \
+ pthread_kill (main_thread, signo); \
+ return; \
+ } \
+ } while (0)
+
+#else /* not HAVE_GTK_AND_PTHREAD */
+#define SIGNAL_THREAD_CHECK(signo)
+#endif /* not HAVE_GTK_AND_PTHREAD */
+/* arch-tag: 4580e86a-340d-4574-9e11-a742b6e1a152
+ (do not change this comment) */