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apr_signal.h
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1 /* Licensed to the Apache Software Foundation (ASF) under one or more
2  * contributor license agreements. See the NOTICE file distributed with
3  * this work for additional information regarding copyright ownership.
4  * The ASF licenses this file to You under the Apache License, Version 2.0
5  * (the "License"); you may not use this file except in compliance with
6  * the License. You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef APR_SIGNAL_H
18 #define APR_SIGNAL_H
19 
25 #include "apr.h"
26 #include "apr_pools.h"
27 
28 #if APR_HAVE_SIGNAL_H
29 #include <signal.h>
30 #endif
31 
32 #ifdef __cplusplus
33 extern "C" {
34 #endif /* __cplusplus */
35 
42 #if APR_HAVE_SIGACTION || defined(DOXYGEN)
43 
44 #if defined(DARWIN) && !defined(__cplusplus) && !defined(_ANSI_SOURCE)
45 /* work around Darwin header file bugs
46  * http://www.opensource.apple.com/bugs/X/BSD%20Kernel/2657228.html
47  */
48 #undef SIG_DFL
49 #undef SIG_IGN
50 #undef SIG_ERR
51 #define SIG_DFL (void (*)(int))0
52 #define SIG_IGN (void (*)(int))1
53 #define SIG_ERR (void (*)(int))-1
54 #endif
55 
57 typedef void apr_sigfunc_t(int);
58 
65 
66 #if defined(SIG_IGN) && !defined(SIG_ERR)
67 #define SIG_ERR ((apr_sigfunc_t *) -1)
68 #endif
69 
70 #else /* !APR_HAVE_SIGACTION */
71 #define apr_signal(a, b) signal(a, b)
72 #endif
73 
74 
80 APR_DECLARE(const char *) apr_signal_description_get(int signum);
81 
87 void apr_signal_init(apr_pool_t *pglobal);
88 
95 
102 
105 #ifdef __cplusplus
106 }
107 #endif /* __cplusplus */
108 
109 #endif /* APR_SIGNAL_H */
const char * apr_signal_description_get(int signum)
apr_status_t apr_signal_unblock(int signum)
apr_status_t apr_signal_block(int signum)
APR memory allocation.
apr_sigfunc_t * apr_signal(int signo, apr_sigfunc_t *func)
APR Platform Definitions.
#define APR_DECLARE(x)
Definition: macros.h:6
struct apr_pool_t apr_pool_t
Definition: apr_pools.h:60
int apr_status_t
Definition: apr_errno.h:44
void apr_signal_init(apr_pool_t *pglobal)
void apr_sigfunc_t(int)
Definition: apr_signal.h:57