- Berkeley DB Reference Guide:
- Programmer Notes
|
|
It is possible for applications to configure Berkeley DB at run-time to redirect Berkeley DB library and system calls to alternate interfaces. For example, an application might want Berkeley DB to call debugging memory allocation routines rather than the standard C library interfaces. The following interfaces support this functionality:
db_env_set_func_close db_env_set_func_dirfree db_env_set_func_dirlist db_env_set_func_exists db_env_set_func_free db_env_set_func_fsync db_env_set_func_ftruncate db_env_set_func_ioinfo db_env_set_func_malloc db_env_set_func_map db_env_set_func_open db_env_set_func_pread db_env_set_func_pwrite db_env_set_func_read db_env_set_func_realloc db_env_set_func_rename db_env_set_func_seek db_env_set_func_sleep db_env_set_func_unlink db_env_set_func_unmap db_env_set_func_write db_env_set_func_yield
These interfaces are available only on POSIX platforms and from the Berkeley DB C language API.
A not-uncommon problem for applications is the new API in Solaris 2.6 for manipulating large files. Because this API was not part of Solaris 2.5, it is difficult to create a single binary that takes advantage of the large file functionality in Solaris 2.6, but still runs on Solaris 2.5. Example code that supports this is included in the Berkeley DB distribution, however, the example code was written using previous versions of the Berkeley DB APIs, and is only useful as an example.
|
|
Copyright (c) 1996-2006 Oracle Corporation - All rights reserved.