Fix #60509, pcntl_signal doesn't decrease ref-count of old handler

diff --git a/ext/pcntl/pcntl.c b/ext/pcntl/pcntl.c
index b7ef4c729c099263bf37cc9482b8b9130eb17a56..3c9eb67629162d7fa9491dff63e44bdb2c5c1004 100644 (file)
--- a/ext/pcntl/pcntl.c
+++ b/ext/pcntl/pcntl.c
@@ -878,6 +878,7 @@ PHP_FUNCTION(pcntl_signal)
                        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Error assigning signal");
                        RETURN_FALSE;
                }
+               zend_hash_index_del(&PCNTL_G(php_signal_table), signo);
                RETURN_TRUE;
        }