| /* Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "httpd.h" |
| |
| #ifndef NO_USE_SIGACTION |
| /* |
| * Replace standard signal() with the more reliable sigaction equivalent |
| * from W. Richard Stevens' "Advanced Programming in the UNIX Environment" |
| * (the version that does not automatically restart system calls). |
| */ |
| Sigfunc *signal(int signo, Sigfunc * func) |
| { |
| struct sigaction act, oact; |
| |
| act.sa_handler = func; |
| sigemptyset(&act.sa_mask); |
| act.sa_flags = 0; |
| #ifdef SA_INTERRUPT /* SunOS */ |
| act.sa_flags |= SA_INTERRUPT; |
| #endif |
| if (sigaction(signo, &act, &oact) < 0) |
| return SIG_ERR; |
| return oact.sa_handler; |
| } |
| #else |
| /* need some function in this file, otherwise the linker on NeXT bitches */ |
| void ap_signal_is_not_here(void) {} |
| #endif |
