sigchld_handler 1206 main/main.c signal(SIGCHLD, sigchld_handler); sigchld_handler 1253 main/main.c signal(SIGCHLD, sigchld_handler); sigchld_handler 1317 main/main.c signal(SIGCHLD, sigchld_handler); sigchld_handler 1350 main/main.c signal(SIGCHLD, sigchld_handler); sigchld_handler 70 sapi/apache_hooks/sapi_apache.c signal(SIGCHLD, sigchld_handler);