2 * Asterisk -- An open source telephony toolkit.
4 * General Definitions for Asterisk top level program
6 * Copyright (C) 1999-2006, Digium, Inc.
8 * Mark Spencer <markster@digium.com>
10 * This program is free software, distributed under the terms of
11 * the GNU General Public License
15 * \brief Asterisk main include file. File version handling, generic pbx functions.
21 #include "asterisk/autoconfig.h"
23 #if !defined(NO_MALLOC_DEBUG) && !defined(STANDALONE) && !defined(STANDALONE2) && defined(MALLOC_DEBUG)
24 #include "asterisk/astmm.h"
27 #include "asterisk/compat.h"
29 /* Default to allowing the umask or filesystem ACLs to determine actual file
30 * creation permissions
33 #define AST_DIR_MODE 0777
36 #define AST_FILE_MODE 0666
39 #define DEFAULT_LANGUAGE "en"
41 #define DEFAULT_SAMPLE_RATE 8000
42 #define DEFAULT_SAMPLES_PER_MS ((DEFAULT_SAMPLE_RATE)/1000)
43 #define setpriority __PLEASE_USE_ast_set_priority_INSTEAD_OF_setpriority__
44 #define sched_setscheduler __PLEASE_USE_ast_set_priority_INSTEAD_OF_sched_setscheduler__
46 #if defined(DEBUG_FD_LEAKS) && !defined(STANDALONE) && !defined(STANDALONE2) && !defined(STANDALONE_AEL)
47 /* These includes are all about ordering */
49 #include <sys/types.h>
51 #include <sys/socket.h>
54 #define open(a,...) __ast_fdleak_open(__FILE__,__LINE__,__PRETTY_FUNCTION__, a, __VA_ARGS__)
55 #define pipe(a) __ast_fdleak_pipe(a, __FILE__,__LINE__,__PRETTY_FUNCTION__)
56 #define socket(a,b,c) __ast_fdleak_socket(a, b, c, __FILE__,__LINE__,__PRETTY_FUNCTION__)
57 #define close(a) __ast_fdleak_close(a)
58 #define fopen(a,b) __ast_fdleak_fopen(a, b, __FILE__,__LINE__,__PRETTY_FUNCTION__)
59 #define fclose(a) __ast_fdleak_fclose(a)
60 #define dup2(a,b) __ast_fdleak_dup2(a, b, __FILE__,__LINE__,__PRETTY_FUNCTION__)
61 #define dup(a) __ast_fdleak_dup(a, __FILE__,__LINE__,__PRETTY_FUNCTION__)
63 #if defined(__cplusplus) || defined(c_plusplus)
66 int __ast_fdleak_open(const char *file, int line, const char *func, const char *path, int flags, ...);
67 int __ast_fdleak_pipe(int *fds, const char *file, int line, const char *func);
68 int __ast_fdleak_socket(int domain, int type, int protocol, const char *file, int line, const char *func);
69 int __ast_fdleak_close(int fd);
70 FILE *__ast_fdleak_fopen(const char *path, const char *mode, const char *file, int line, const char *func);
71 int __ast_fdleak_fclose(FILE *ptr);
72 int __ast_fdleak_dup2(int oldfd, int newfd, const char *file, int line, const char *func);
73 int __ast_fdleak_dup(int oldfd, const char *file, int line, const char *func);
74 #if defined(__cplusplus) || defined(c_plusplus)
79 int ast_set_priority(int); /*!< Provided by asterisk.c */
80 int ast_fd_init(void); /*!< Provided by astfd.c */
81 int ast_pbx_init(void); /*!< Provided by pbx.c */
84 * \brief Register a function to be executed before Asterisk exits.
85 * \param func The callback function to use.
87 * \retval 0 on success.
88 * \retval -1 on error.
90 int ast_register_atexit(void (*func)(void));
94 * \brief Register a function to be executed before Asterisk gracefully exits.
96 * If Asterisk is immediately shutdown (core stop now, or sending the TERM
97 * signal), the callback is not run. When the callbacks are run, they are run in
98 * sequence with ast_register_atexit() callbacks, in the reverse order of
101 * \param func The callback function to use.
103 * \retval 0 on success.
104 * \retval -1 on error.
106 int ast_register_cleanup(void (*func)(void));
109 * \brief Unregister a function registered with ast_register_atexit().
110 * \param func The callback function to unregister.
112 void ast_unregister_atexit(void (*func)(void));
114 #if !defined(LOW_MEMORY)
116 * \brief Register the version of a source code file with the core.
117 * \param file the source file name
118 * \param version the version string (typically a SVN revision keyword string)
121 * This function should not be called directly, but instead the
122 * ASTERISK_FILE_VERSION macro should be used to register a file with the core.
124 void ast_register_file_version(const char *file, const char *version);
127 * \brief Unregister a source code file from the core.
128 * \param file the source file name
131 * This function should not be called directly, but instead the
132 * ASTERISK_FILE_VERSION macro should be used to automatically unregister
133 * the file when the module is unloaded.
135 void ast_unregister_file_version(const char *file);
137 /*! \brief Find version for given module name
138 * \param file Module name (i.e. chan_sip.so)
139 * \return version string or NULL if the module is not found
141 const char *ast_file_version_find(const char *file);
143 char *ast_complete_source_filename(const char *partial, int n);
146 * \brief Register/unregister a source code file with the core.
147 * \param file the source file name
148 * \param version the version string (typically a SVN revision keyword string)
150 * This macro will place a file-scope constructor and destructor into the
151 * source of the module using it; this will cause the version of this file
152 * to registered with the Asterisk core (and unregistered) at the appropriate
158 * ASTERISK_FILE_VERSION(__FILE__, "\$Revision\$")
161 * \note The dollar signs above have been protected with backslashes to keep
162 * SVN from modifying them in this file; under normal circumstances they would
163 * not be present and SVN would expand the Revision keyword into the file's
167 #define HAVE_MTX_PROFILE /* used in lock.h */
168 #define ASTERISK_FILE_VERSION(file, version) \
169 static int mtx_prof = -1; /* profile mutex */ \
170 static void __attribute__((constructor)) __register_file_version(void) \
172 mtx_prof = ast_add_profile("mtx_lock_" file, 0); \
173 ast_register_file_version(file, version); \
175 static void __attribute__((destructor)) __unregister_file_version(void) \
177 ast_unregister_file_version(file); \
179 #else /* !MTX_PROFILE */
180 #define ASTERISK_FILE_VERSION(file, version) \
181 static void __attribute__((constructor)) __register_file_version(void) \
183 ast_register_file_version(file, version); \
185 static void __attribute__((destructor)) __unregister_file_version(void) \
187 ast_unregister_file_version(file); \
189 #endif /* !MTX_PROFILE */
190 #else /* LOW_MEMORY */
191 #define ASTERISK_FILE_VERSION(file, x)
192 #endif /* LOW_MEMORY */
194 #if !defined(LOW_MEMORY)
196 * \brief support for event profiling
198 * (note, this must be documented a lot more)
199 * ast_add_profile allocates a generic 'counter' with a given name,
200 * which can be shown with the command 'core show profile <name>'
202 * The counter accumulates positive or negative values supplied by
203 * \see ast_add_profile(), dividing them by the 'scale' value passed in the
204 * create call, and also counts the number of 'events'.
205 * Values can also be taked by the TSC counter on ia32 architectures,
206 * in which case you can mark the start of an event calling ast_mark(id, 1)
207 * and then the end of the event with ast_mark(id, 0).
208 * For non-i386 architectures, these two calls return 0.
210 int ast_add_profile(const char *, uint64_t scale);
211 int64_t ast_profile(int, int64_t);
212 int64_t ast_mark(int, int start1_stop0);
213 #else /* LOW_MEMORY */
214 #define ast_add_profile(a, b) 0
215 #define ast_profile(a, b) do { } while (0)
216 #define ast_mark(a, b) do { } while (0)
217 #endif /* LOW_MEMORY */
221 * \brief A \ref stasis topic which publishes messages regarding system changes
223 * \retval \ref stasis_topic for system level changes
224 * \retval NULL on error
226 struct stasis_topic *ast_system_topic(void);
230 * \brief A \ref stasis_message_type for network changes
232 * \retval NULL on error
233 * \retval \ref stasis_message_type for network changes
235 * \note Messages of this type should always be issued on and expected from
236 * the \ref ast_system_topic \ref stasis topic
238 struct stasis_message_type *ast_network_change_type(void);
241 * Definition of various structures that many asterisk files need,
242 * but only because they need to know that the type exists.
251 struct ast_sched_context;
253 /* Some handy macros for turning a preprocessor token into (effectively) a quoted string */
254 #define __stringify_1(x) #x
255 #define __stringify(x) __stringify_1(x)
257 #endif /* _ASTERISK_H */