projects / thirdparty / squid.git / blame
| Commit | Line | Data |
|---|---|---|
| 5f623035 | 1 | /* |
| 77b1029d | 2 | * Copyright (C) 1996-2020 The Squid Software Foundation and contributors |
| 5f623035 AJ |
3 | * |
| 4 | * Squid software is distributed under GPLv2+ license and includes | |
| 5 | * contributions from numerous individuals and organizations. | |
| 6 | * Please see the COPYING and CONTRIBUTORS files for details. | |
| 7 | */ | |
| 8 | ||
| 0b96a9b3 | 9 | // Author: Jens-S. V?ckler <voeckler@rvs.uni-hannover.de> |
| eb1f6bfa AJ |
10 | // File: signal.hh |
| 11 | // Date: Sat Feb 28 1998 | |
| 12 | // Compiler: gcc 2.7.2.x series | |
| 13 | // | |
| 14 | // Books: W. Richard Steven, "Advanced Programming in the UNIX Environment", | |
| 15 | // Addison-Wesley, 1992. | |
| 16 | // | |
| 17 | // (c) 1998 Lehrgebiet Rechnernetze und Verteilte Systeme | |
| 0b96a9b3 | 18 | // Universit?t Hannover, Germany |
| eb1f6bfa AJ |
19 | // |
| 20 | // Permission to use, copy, modify, distribute, and sell this software | |
| 21 | // and its documentation for any purpose is hereby granted without fee, | |
| 22 | // provided that (i) the above copyright notices and this permission | |
| 23 | // notice appear in all copies of the software and related documentation, | |
| 24 | // and (ii) the names of the Lehrgebiet Rechnernetze und Verteilte | |
| 25 | // Systeme and the University of Hannover may not be used in any | |
| 26 | // advertising or publicity relating to the software without the | |
| 27 | // specific, prior written permission of Lehrgebiet Rechnernetze und | |
| 28 | // Verteilte Systeme and the University of Hannover. | |
| 29 | // | |
| 30 | // THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, | |
| 31 | // EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY | |
| 32 | // WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. | |
| 33 | // | |
| 34 | // IN NO EVENT SHALL THE LEHRGEBIET RECHNERNETZE UND VERTEILTE SYSTEME OR | |
| 35 | // THE UNIVERSITY OF HANNOVER BE LIABLE FOR ANY SPECIAL, INCIDENTAL, | |
| 36 | // INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, OR ANY DAMAGES | |
| 37 | // WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER OR NOT | |
| 38 | // ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF LIABILITY, | |
| 39 | // ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS | |
| 40 | // SOFTWARE. | |
| 41 | // | |
| eb1f6bfa AJ |
42 | // Revision 1.4 2000/09/21 10:59:27 cached |
| 43 | // introduced extern "C" to function pointer type. | |
| 44 | // | |
| 45 | // Revision 1.3 1999/01/19 11:53:49 voeckler | |
| 46 | // added bool compatibility definitions. | |
| 47 | // | |
| 48 | // Revision 1.2 1999/01/19 11:00:50 voeckler | |
| 49 | // added psignal(int,const char*) compatibility function declaration. | |
| 50 | // | |
| 51 | // Revision 1.1 1998/08/13 21:51:58 voeckler | |
| 52 | // Initial revision | |
| 53 | // | |
| 54 | // | |
| 2ccf2eb2 | 55 | |
| eb1f6bfa AJ |
56 | #ifndef _SIGNAL_HH |
| 57 | #define _SIGNAL_HH | |
| 58 | ||
| f7f3304a | 59 | #include "squid.h" |
| 2ccf2eb2 | 60 | |
| 074d6a40 | 61 | #include <csignal> |
| 2ccf2eb2 | 62 | |
| 59a09b98 | 63 | #if !defined(__cplusplus) |
| 59a09b98 FC |
64 | #ifndef HAVE_BOOL |
| 65 | #define HAVE_BOOL | |
| eb1f6bfa AJ |
66 | typedef int bool; |
| 67 | #define false 0 | |
| 68 | #define true 1 | |
| 69 | #endif | |
| 59a09b98 | 70 | #endif /* __cplusplus */ |
| eb1f6bfa AJ |
71 | |
| 72 | #if 1 // so far, all systems I know use void | |
| 73 | # define SIGRETTYPE void | |
| 74 | #else | |
| 75 | # define SIGRETTYPE int | |
| 76 | #endif | |
| 77 | ||
| 78 | #if defined(SUNOS) && defined(SUN) | |
| 79 | # define SIGPARAM void | |
| 80 | #else // SOLARIS, LINUX, IRIX, AIX, SINIXY | |
| 81 | # define SIGPARAM int | |
| 82 | #endif | |
| 83 | ||
| 84 | extern "C" { | |
| 85 | typedef SIGRETTYPE SigFunc( SIGPARAM ); | |
| 86 | } | |
| 87 | ||
| eb1f6bfa AJ |
88 | SigFunc* |
| 89 | Signal( int signo, SigFunc* newhandler, bool doInterrupt ); | |
| 90 | // purpose: install reliable signals | |
| 91 | // paramtr: signo (IN): signal for which a handler is to be installed | |
| 92 | // newhandler (IN): function pointer to the signal handler | |
| 93 | // doInterrupt (IN): interrupted system calls wanted! | |
| 94 | // returns: the old signal handler, or SIG_ERR in case of error. | |
| 95 | ||
| 96 | SIGRETTYPE | |
| 97 | sigChild( int signo ); | |
| 98 | // purpose: supply ad hoc child handler with output on stderr | |
| 99 | // paramtr: signo (IN): == SIGCHLD | |
| 100 | // returns: only if OS uses a return type for signal handler | |
| 101 | ||
| 102 | #endif // _SIGNAL_HH |