00001 /* 00002 * Copyright (C) 2004, 2005, 2007-2009, 2014 Internet Systems Consortium, Inc. ("ISC") 00003 * Copyright (C) 1999-2002 Internet Software Consortium. 00004 * 00005 * Permission to use, copy, modify, and/or distribute this software for any 00006 * purpose with or without fee is hereby granted, provided that the above 00007 * copyright notice and this permission notice appear in all copies. 00008 * 00009 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH 00010 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 00011 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, 00012 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM 00013 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE 00014 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 00015 * PERFORMANCE OF THIS SOFTWARE. 00016 */ 00017 00018 /* $Id: os.h,v 1.31 2009/08/05 23:47:43 tbox Exp $ */ 00019 00020 #ifndef NS_OS_H 00021 #define NS_OS_H 1 00022 00023 /*! \file */ 00024 00025 #include <isc/types.h> 00026 00027 void 00028 ns_os_init(const char *progname); 00029 00030 void 00031 ns_os_daemonize(void); 00032 00033 void 00034 ns_os_opendevnull(void); 00035 00036 void 00037 ns_os_closedevnull(void); 00038 00039 void 00040 ns_os_chroot(const char *root); 00041 00042 void 00043 ns_os_inituserinfo(const char *username); 00044 00045 void 00046 ns_os_changeuser(void); 00047 00048 void 00049 ns_os_adjustnofile(void); 00050 00051 void 00052 ns_os_minprivs(void); 00053 00054 FILE * 00055 ns_os_openfile(const char *filename, mode_t mode, isc_boolean_t switch_user); 00056 00057 void 00058 ns_os_writepidfile(const char *filename, isc_boolean_t first_time); 00059 00060 isc_boolean_t 00061 ns_os_issingleton(const char *filename); 00062 00063 void 00064 ns_os_shutdown(void); 00065 00066 isc_result_t 00067 ns_os_gethostname(char *buf, size_t len); 00068 00069 void 00070 ns_os_shutdownmsg(char *command, isc_buffer_t *text); 00071 00072 void 00073 ns_os_tzset(void); 00074 00075 void 00076 ns_os_started(void); 00077 00078 #endif /* NS_OS_H */