247 lines
8.2 KiB
C
247 lines
8.2 KiB
C
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* General Definitions for Asterisk top level program
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*
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* Copyright (C) 1999-2006, Digium, Inc.
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*
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* Mark Spencer <markster@digium.com>
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License
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*/
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/*! \file
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* \brief Asterisk main include file. File version handling, generic pbx functions.
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*/
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#ifndef _ASTERISK_H
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#define _ASTERISK_H
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#include "asterisk/autoconfig.h"
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#include "asterisk/compat.h"
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#include "asterisk/astmm.h"
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/* Default to allowing the umask or filesystem ACLs to determine actual file
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* creation permissions
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*/
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#ifndef AST_DIR_MODE
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#define AST_DIR_MODE 0777
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#endif
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#ifndef AST_FILE_MODE
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#define AST_FILE_MODE 0666
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#endif
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/* Make sure PATH_MAX is defined on platforms (HURD) that don't define it.
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* Also be sure to handle the case of a path larger than PATH_MAX
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* (err safely) in the code.
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*/
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#ifndef PATH_MAX
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#define PATH_MAX 4096
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#endif
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#define AST_CURL_USER_AGENT "asterisk-libcurl-agent/1.0"
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#define DEFAULT_LANGUAGE "en"
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#define DEFAULT_SAMPLE_RATE 8000
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#define DEFAULT_SAMPLES_PER_MS ((DEFAULT_SAMPLE_RATE)/1000)
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#define setpriority __PLEASE_USE_ast_set_priority_INSTEAD_OF_setpriority__
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#define sched_setscheduler __PLEASE_USE_ast_set_priority_INSTEAD_OF_sched_setscheduler__
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#define strtok __PLEASE_USE_strtok_r_INSTEAD_OF_strtok__
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#if defined(DEBUG_FD_LEAKS) && !defined(STANDALONE) && !defined(STANDALONE2) && !defined(STANDALONE_AEL)
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/* These includes are all about ordering */
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#include <sys/stat.h>
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#include <sys/socket.h>
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#include <fcntl.h>
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#define open(a,...) __ast_fdleak_open(__FILE__,__LINE__,__PRETTY_FUNCTION__, a, __VA_ARGS__)
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#define pipe(a) __ast_fdleak_pipe(a, __FILE__,__LINE__,__PRETTY_FUNCTION__)
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#define socketpair(a,b,c,d) __ast_fdleak_socketpair(a, b, c, d, __FILE__,__LINE__,__PRETTY_FUNCTION__)
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#define socket(a,b,c) __ast_fdleak_socket(a, b, c, __FILE__,__LINE__,__PRETTY_FUNCTION__)
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#define accept(a,b,c) __ast_fdleak_accept(a, b, c, __FILE__,__LINE__,__PRETTY_FUNCTION__)
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#define close(a) __ast_fdleak_close(a)
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#define fopen(a,b) __ast_fdleak_fopen(a, b, __FILE__,__LINE__,__PRETTY_FUNCTION__)
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#define fclose(a) __ast_fdleak_fclose(a)
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#define dup2(a,b) __ast_fdleak_dup2(a, b, __FILE__,__LINE__,__PRETTY_FUNCTION__)
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#define dup(a) __ast_fdleak_dup(a, __FILE__,__LINE__,__PRETTY_FUNCTION__)
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#if defined(__cplusplus) || defined(c_plusplus)
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extern "C" {
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#endif
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int __ast_fdleak_open(const char *file, int line, const char *func, const char *path, int flags, ...);
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int __ast_fdleak_pipe(int *fds, const char *file, int line, const char *func);
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int __ast_fdleak_socketpair(int domain, int type, int protocol, int sv[2],
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const char *file, int line, const char *func);
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int __ast_fdleak_socket(int domain, int type, int protocol, const char *file, int line, const char *func);
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int __ast_fdleak_accept(int socket, struct sockaddr *address, socklen_t *address_len,
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const char *file, int line, const char *func);
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#if defined(HAVE_EVENTFD)
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#include <sys/eventfd.h>
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#define eventfd(a,b) __ast_fdleak_eventfd(a,b, __FILE__,__LINE__,__PRETTY_FUNCTION__)
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int __ast_fdleak_eventfd(unsigned int initval, int flags, const char *file, int line, const char *func);
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#endif
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#if defined(HAVE_TIMERFD)
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#include <sys/timerfd.h>
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#define timerfd_create(a,b) __ast_fdleak_timerfd_create(a,b, __FILE__,__LINE__,__PRETTY_FUNCTION__)
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int __ast_fdleak_timerfd_create(int clockid, int flags, const char *file, int line, const char *func);
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#endif
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int __ast_fdleak_close(int fd);
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FILE *__ast_fdleak_fopen(const char *path, const char *mode, const char *file, int line, const char *func);
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int __ast_fdleak_fclose(FILE *ptr);
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int __ast_fdleak_dup2(int oldfd, int newfd, const char *file, int line, const char *func);
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int __ast_fdleak_dup(int oldfd, const char *file, int line, const char *func);
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#if defined(__cplusplus) || defined(c_plusplus)
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}
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#endif
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#endif
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int ast_set_priority(int); /*!< Provided by asterisk.c */
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int ast_fd_init(void); /*!< Provided by astfd.c */
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int ast_pbx_init(void); /*!< Provided by pbx.c */
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/*!
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* \brief Register a function to be executed before Asterisk exits.
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* \param func The callback function to use.
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*
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* \retval 0 on success.
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* \retval -1 on error.
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*
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* \note This function should be rarely used in situations where
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* something must be shutdown to avoid corruption, excessive data
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* loss, or when external programs must be stopped. All other
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* cleanup in the core should use ast_register_cleanup.
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*/
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int ast_register_atexit(void (*func)(void));
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/*!
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* \since 11.9
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* \brief Register a function to be executed before Asterisk gracefully exits.
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*
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* If Asterisk is immediately shutdown (core stop now, or sending the TERM
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* signal), the callback is not run. When the callbacks are run, they are run in
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* sequence with ast_register_atexit() callbacks, in the reverse order of
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* registration.
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*
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* \param func The callback function to use.
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*
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* \retval 0 on success.
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* \retval -1 on error.
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*/
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int ast_register_cleanup(void (*func)(void));
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/*!
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* \brief Unregister a function registered with ast_register_atexit().
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* \param func The callback function to unregister.
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*/
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void ast_unregister_atexit(void (*func)(void));
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/*!
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* \brief Cancel an existing shutdown and return to normal operation.
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*
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* \note Shutdown can be cancelled while the server is waiting for
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* any existing channels to be destroyed before shutdown becomes
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* irreversible.
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*
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* \return non-zero if shutdown cancelled.
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*/
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int ast_cancel_shutdown(void);
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/*!
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* \details
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* The server is preventing new channel creation in preparation for
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* shutdown and may actively be releasing resources. The shutdown
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* process may be canceled by ast_cancel_shutdown() if it is not too
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* late.
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*
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* \note The preparation to shutdown phase can be quite lengthy
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* if we are gracefully shutting down. How long existing calls will
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* last is not up to us.
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*
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* \return non-zero if the server is preparing to or actively shutting down.
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*/
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int ast_shutting_down(void);
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/*!
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* \return non-zero if the server is actively shutting down.
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* \since 13.3.0
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*
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* \details
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* The server is releasing resources and unloading modules.
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* It won't be long now.
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*/
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int ast_shutdown_final(void);
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#ifdef MTX_PROFILE
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#define HAVE_MTX_PROFILE /* used in lock.h */
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#endif /* MTX_PROFILE */
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/*!
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* \brief support for event profiling
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*
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* (note, this must be documented a lot more)
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* ast_add_profile allocates a generic 'counter' with a given name,
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* which can be shown with the command 'core show profile <name>'
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*
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* The counter accumulates positive or negative values supplied by
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* \see ast_add_profile(), dividing them by the 'scale' value passed in the
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* create call, and also counts the number of 'events'.
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* Values can also be taked by the TSC counter on ia32 architectures,
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* in which case you can mark the start of an event calling ast_mark(id, 1)
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* and then the end of the event with ast_mark(id, 0).
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* For non-i386 architectures, these two calls return 0.
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*/
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int ast_add_profile(const char *, uint64_t scale);
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int64_t ast_profile(int, int64_t);
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int64_t ast_mark(int, int start1_stop0);
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/*! \brief
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* Definition of various structures that many asterisk files need,
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* but only because they need to know that the type exists.
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*
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*/
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struct ast_channel;
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struct ast_frame;
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struct ast_module;
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struct ast_variable;
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struct ast_str;
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struct ast_sched_context;
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struct ast_json;
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/* Some handy macros for turning a preprocessor token into (effectively) a quoted string */
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#define __stringify_1(x) #x
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#define __stringify(x) __stringify_1(x)
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#if defined(AST_IN_CORE) \
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|| (!defined(AST_MODULE_SELF_SYM) \
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&& (defined(STANDALONE) || defined(STANDALONE2) || defined(AST_NOT_MODULE)))
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#define AST_MODULE_SELF NULL
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#elif defined(AST_MODULE_SELF_SYM)
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/*! Retrieve the 'struct ast_module *' for the current module. */
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#define AST_MODULE_SELF AST_MODULE_SELF_SYM()
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struct ast_module;
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/* Internal/forward declaration, AST_MODULE_SELF should be used instead. */
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struct ast_module *AST_MODULE_SELF_SYM(void);
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#else
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#error "Externally compiled modules must declare AST_MODULE_SELF_SYM."
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#endif
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/*!
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* \brief Retrieve the PBX UUID
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* \param pbx_uuid A buffer of at least AST_UUID_STR_LEN (36 + 1) size to receive the UUID
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* \param length The buffer length
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*/
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int ast_pbx_uuid_get(char *pbx_uuid, int length);
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#endif /* _ASTERISK_H */
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