sigchld_handler 1489 main/main.c signal(SIGCHLD, sigchld_handler); sigchld_handler 1542 main/main.c signal(SIGCHLD, sigchld_handler); sigchld_handler 1612 main/main.c signal(SIGCHLD, sigchld_handler); sigchld_handler 1644 main/main.c signal(SIGCHLD, sigchld_handler); sigchld_handler 70 sapi/apache_hooks/sapi_apache.c signal(SIGCHLD, sigchld_handler);