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| author | Michael Widenius <monty@askmonty.org> | 2012-08-01 17:27:34 +0300 |
|---|---|---|
| committer | Michael Widenius <monty@askmonty.org> | 2012-08-01 17:27:34 +0300 |
| commit | 1d0f70c2f894b27e98773a282871d32802f67964 (patch) | |
| tree | 833e683e0ced29c4323c29a9d845703d4dfcd81b /storage/perfschema/pfs_global.h | |
| parent | 5a86a61219826aadf8d08cbc447fe438f2bf50c3 (diff) | |
| download | mariadb-git-1d0f70c2f894b27e98773a282871d32802f67964.tar.gz | |
Temporary commit of merge of MariaDB 10.0-base and MySQL 5.6
Diffstat (limited to 'storage/perfschema/pfs_global.h')
| -rw-r--r-- | storage/perfschema/pfs_global.h | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/storage/perfschema/pfs_global.h b/storage/perfschema/pfs_global.h index c0c0490a380..693153cb097 100644 --- a/storage/perfschema/pfs_global.h +++ b/storage/perfschema/pfs_global.h @@ -1,4 +1,4 @@ -/* Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved. +/* Copyright (c) 2008, 2011, Oracle and/or its affiliates. All rights reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -21,14 +21,38 @@ Miscellaneous global dependencies (declarations). */ +/** True when the performance schema is initialized. */ extern bool pfs_initialized; +/** Total memory allocated by the performance schema, in bytes. */ extern ulonglong pfs_allocated_memory; void *pfs_malloc(size_t size, myf flags); + +/** + Helper, to allocate an array of structures. + @param n number of elements in the array. + @param T type of an element. + @param f flags to use when allocating memory +*/ #define PFS_MALLOC_ARRAY(n, T, f) \ reinterpret_cast<T*> (pfs_malloc((n) * sizeof(T), (f))) + +/** Free memory allocated with @sa pfs_malloc. */ void pfs_free(void *ptr); + +uint pfs_get_socket_address(char *host, + uint host_len, + uint *port, + const struct sockaddr_storage *src_addr, + socklen_t src_len); + +/** + Compute a random index value in an interval. + @param ptr seed address + @param max_size maximun size of the interval + @return a random value in [0, max_size-1] +*/ inline uint randomized_index(const void *ptr, uint max_size) { static uint seed1= 0; |
