[binutils-gdb] Use bool for evregpy_no_listeners_p

[binutils-gdb] Use bool for evregpy_no_listeners_p

[Tom Tromey]

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=f5a0f5b503c43ed3e146bc0d3eca37784892b47e

commit f5a0f5b503c43ed3e146bc0d3eca37784892b47e
Author: Tom Tromey <tromey@adacore.com>
Date:   Fri Jun 3 10:35:30 2022 -0600

    Use bool for evregpy_no_listeners_p
    
    I noticed that evregpy_no_listeners_p should return a bool.  This
    patch makes this change.  I'm checking it in.

Diff:
---
 gdb/python/py-events.h      | 2 +-
 gdb/python/py-evtregistry.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/gdb/python/py-events.h b/gdb/python/py-events.h
index bd4a75c2aee..1680b582354 100644
--- a/gdb/python/py-events.h
+++ b/gdb/python/py-events.h
@@ -52,6 +52,6 @@ struct events_object
 extern events_object gdb_py_events;
 
 extern eventregistry_object *create_eventregistry_object (void);
-extern int evregpy_no_listeners_p (eventregistry_object *registry);
+extern bool evregpy_no_listeners_p (eventregistry_object *registry);
 
 #endif /* PYTHON_PY_EVENTS_H */
diff --git a/gdb/python/py-evtregistry.c b/gdb/python/py-evtregistry.c
index 003fe44080d..ef96c483f47 100644
--- a/gdb/python/py-evtregistry.c
+++ b/gdb/python/py-evtregistry.c
@@ -115,7 +115,7 @@ gdbpy_initialize_eventregistry (void)
 /* Return the number of listeners currently connected to this
    registry.  */
 
-int
+bool
 evregpy_no_listeners_p (eventregistry_object *registry)
 {
   return PyList_Size (registry->callbacks) == 0;