Fix module support if threads are disabled (Bug#30106)

* src/systhread.c (sys_thread_equal): New function.
* src/thread.c (in_current_thread): Move from emacs-module.c; use
sys_thread_equal.

1 files changed, 1 insertions, 0 deletions

diff --git a/src/thread.h b/src/thread.h
index 5746512b799..5ab5e90c70d 100644
--- a/src/thread.h
+++ b/src/thread.h
@@ -303,6 +303,7 @@ extern void init_threads_once (void);
 extern void init_threads (void);
 extern void syms_of_threads (void);
 extern bool main_thread_p (void *);
+extern bool in_current_thread (void);
 
 typedef int select_func (int, fd_set *, fd_set *, fd_set *,
                          const struct timespec *, const sigset_t *);