core: Remove ABI effects of LOW_MEMORY.

This allows asterisk to compiled with LOW_MEMORY to load modules built
without LOW_MEMORY.

ASTERISK-26398 #close

Change-Id: I24b78ac9493ab933b11087a8b6794f3c96d4872d

include/asterisk.h

@@ -152,7 +152,6 @@ int ast_shutting_down(void);
  */
 int ast_shutdown_final(void);
 
-#if !defined(LOW_MEMORY)
 /*!
  * \brief Register the version of a source code file with the core.
  * \param file the source file name
@@ -225,11 +224,7 @@ char *ast_complete_source_filename(const char *partial, int n);
 		__ast_unregister_file(__FILE__); \
 	}
 #endif /* !MTX_PROFILE */
-#else /* LOW_MEMORY */
-#define ASTERISK_REGISTER_FILE()
-#endif /* LOW_MEMORY */
 
-#if !defined(LOW_MEMORY)
 /*!
  * \brief support for event profiling
  *
@@ -248,11 +243,6 @@ char *ast_complete_source_filename(const char *partial, int n);
 int ast_add_profile(const char *, uint64_t scale);
 int64_t ast_profile(int, int64_t);
 int64_t ast_mark(int, int start1_stop0);
-#else /* LOW_MEMORY */
-#define ast_add_profile(a, b) 0
-#define ast_profile(a, b) do { } while (0)
-#define ast_mark(a, b) do { } while (0)
-#endif /* LOW_MEMORY */
 
 /*! \brief
  * Definition of various structures that many asterisk files need,

include/asterisk/inline_api.h

@@ -33,7 +33,7 @@
 	copies of the function body are not built in different modules.
 	However, since this doesn't work for clang, we go with 'static'
 	anyway and hope for the best!
-	- when LOW_MEMORY is defined, inlining should be disabled
+	- when DISABLE_INLINE is defined, inlining should be disabled
 	completely, even if the compiler is configured to support it
 
   The AST_INLINE_API macro allows this to happen automatically, when
@@ -45,7 +45,7 @@
   including the header file
  */
 
-#if !defined(LOW_MEMORY) && !defined(DISABLE_INLINE)
+#if !defined(DISABLE_INLINE)
 
 #if !defined(AST_API_MODULE)
 #if defined(__clang__) || defined(__GNUC_STDC_INLINE__)
@@ -57,7 +57,7 @@
 #define AST_INLINE_API(hdr, body) hdr; hdr body
 #endif
 
-#else /* defined(LOW_MEMORY) */
+#else /* defined(DISABLE_INLINE) */
 
 #if !defined(AST_API_MODULE)
 #define AST_INLINE_API(hdr, body) hdr;

include/asterisk/lock.h

@@ -240,7 +240,6 @@ enum ast_lock_type {
  * lock info struct.  The lock is marked as pending as the thread is waiting
  * on the lock.  ast_mark_lock_acquired() will mark it as held by this thread.
  */
-#if !defined(LOW_MEMORY)
 #ifdef HAVE_BKTR
 void ast_store_lock_info(enum ast_lock_type type, const char *filename,
 	int line_num, const char *func, const char *lock_name, void *lock_addr, struct ast_bt *bt);
@@ -249,32 +248,15 @@ void ast_store_lock_info(enum ast_lock_type type, const char *filename,
 	int line_num, const char *func, const char *lock_name, void *lock_addr);
 #endif /* HAVE_BKTR */
 
-#else
-
-#ifdef HAVE_BKTR
-#define ast_store_lock_info(I,DONT,CARE,ABOUT,THE,PARAMETERS,BUD)
-#else
-#define ast_store_lock_info(I,DONT,CARE,ABOUT,THE,PARAMETERS)
-#endif /* HAVE_BKTR */
-#endif /* !defined(LOW_MEMORY) */
-
 /*!
  * \brief Mark the last lock as acquired
  */
-#if !defined(LOW_MEMORY)
 void ast_mark_lock_acquired(void *lock_addr);
-#else
-#define ast_mark_lock_acquired(ignore)
-#endif
 
 /*!
  * \brief Mark the last lock as failed (trylock)
  */
-#if !defined(LOW_MEMORY)
 void ast_mark_lock_failed(void *lock_addr);
-#else
-#define ast_mark_lock_failed(ignore)
-#endif
 
 /*!
  * \brief remove lock info for the current thread
@@ -282,7 +264,6 @@ void ast_mark_lock_failed(void *lock_addr);
  * this gets called by ast_mutex_unlock so that information on the lock can
  * be removed from the current thread's lock info struct.
  */
-#if !defined(LOW_MEMORY)
 #ifdef HAVE_BKTR
 void ast_remove_lock_info(void *lock_addr, struct ast_bt *bt);
 #else
@@ -290,15 +271,6 @@ void ast_remove_lock_info(void *lock_addr);
 #endif /* HAVE_BKTR */
 void ast_suspend_lock_info(void *lock_addr);
 void ast_restore_lock_info(void *lock_addr);
-#else
-#ifdef HAVE_BKTR
-#define ast_remove_lock_info(ignore,me)
-#else
-#define ast_remove_lock_info(ignore)
-#endif /* HAVE_BKTR */
-#define ast_suspend_lock_info(ignore);
-#define ast_restore_lock_info(ignore);
-#endif /* !defined(LOW_MEMORY) */
 
 /*!
  * \brief log info for the current lock with ast_log().
@@ -333,11 +305,7 @@ struct ast_str *ast_dump_locks(void);
  * this gets called during deadlock avoidance, so that the information may
  * be preserved as to what location originally acquired the lock.
  */
-#if !defined(LOW_MEMORY)
 int ast_find_lock_info(void *lock_addr, char *filename, size_t filename_size, int *lineno, char *func, size_t func_size, char *mutex_name, size_t mutex_name_size);
-#else
-#define ast_find_lock_info(a,b,c,d,e,f,g,h) -1
-#endif
 
 /*!
  * \brief Unlock a lock briefly

include/asterisk/utils.h

@@ -423,13 +423,12 @@ int ast_careful_fwrite(FILE *f, int fd, const char *s, size_t len, int timeoutms
  * Thread management support (should be moved to lock.h or a different header)
  */
 
-#define AST_STACKSIZE (((sizeof(void *) * 8 * 8) - 16) * 1024)
+#define AST_STACKSIZE     (((sizeof(void *) * 8 * 8) - 16) * 1024)
+#define AST_STACKSIZE_LOW (((sizeof(void *) * 8 * 2) - 16) * 1024)
 
-#if defined(LOW_MEMORY)
-#define AST_BACKGROUND_STACKSIZE (((sizeof(void *) * 8 * 2) - 16) * 1024)
-#else
-#define AST_BACKGROUND_STACKSIZE AST_STACKSIZE
-#endif
+int ast_background_stacksize(void);
+
+#define AST_BACKGROUND_STACKSIZE ast_background_stacksize()
 
 void ast_register_thread(char *name);
 void ast_unregister_thread(void *id);