Do not call printf from interrupt handler, fixing deadlocks

Closes #3644

git-svn-id: http://svn.osgeo.org/postgis/trunk@15156 b70326c6-7e19-0410-871a-916f4a2858ee

diff --git a/postgis/postgis_module.c b/postgis/postgis_module.c
index 7f2e35125c65b7b50d15f580adcc9f324c538ad3..e107098c7f9a7699350324624adef7c399befb6b 100644 (file)
--- a/postgis/postgis_module.c
+++ b/postgis/postgis_module.c
@@ -127,7 +127,12 @@ _PG_fini(void)
 static void
 handleInterrupt(int sig)
 {
-  printf("Interrupt requested\n"); fflush(stdout);
+  /* NOTE: printf here would be dangerous, see
+   * https://trac.osgeo.org/postgis/ticket/3644
+   *
+   * TODO: block interrupts during execution, to fix the problem
+   */
+  /* printf("Interrupt requested\n"); fflush(stdout); */
 
 #if POSTGIS_GEOS_VERSION >= 34
   GEOS_interruptRequest();