Update man-pages
[awesomized/libmemcached] / docs / man / memcached_memory_allocators.3
1 .TH "MEMCACHED_MEMORY_ALLOCATORS" "3" "May 23, 2011" "0.47" "libmemcached"
2 .SH NAME
3 memcached_memory_allocators \- libmemcached Documentation
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34 Manage memory allocator functions
35 .SH SYNOPSIS
36 .sp
37 #include <libmemcached/memcached.h>
38 .INDENT 0.0
39 .TP
40 .B memcached_return_t memcached_set_memory_allocators (memcached_st *ptr, memcached_malloc_fn mem_malloc, memcached_free_fn mem_free, memcached_realloc_fn mem_realloc, memcached_calloc_fn mem_calloc, void *context);
41 .UNINDENT
42 .INDENT 0.0
43 .TP
44 .B void memcached_get_memory_allocators (memcached_st *ptr, memcached_malloc_fn *mem_malloc, memcached_free_fn *mem_free, memcached_realloc_fn *mem_realloc, memcached_calloc_fn *mem_calloc);
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46 .INDENT 0.0
47 .TP
48 .B void * memcached_get_memory_allocators_context(const memcached_st *ptr);
49 .UNINDENT
50 .INDENT 0.0
51 .TP
52 .B void * (*memcached_malloc_fn) (memcached_st *ptr, const size_t size, void *context);
53 .UNINDENT
54 .INDENT 0.0
55 .TP
56 .B void * (*memcached_realloc_fn) (memcached_st *ptr, void *mem, const size_t size, void *context);
57 .UNINDENT
58 .INDENT 0.0
59 .TP
60 .B void (*memcached_free_fn) (memcached_st *ptr, void *mem, void *context);
61 .UNINDENT
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63 .TP
64 .B void * (*memcached_calloc_fn) (memcached_st *ptr, size_t nelem, const size_t elsize, void *context);
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66 .sp
67 Compile and link with \-lmemcached
68 .SH DESCRIPTION
69 .sp
70 libmemcached(3) allows you to specify your own memory allocators, optimized
71 for your application. This enables libmemcached to be used inside of applications that have their own malloc implementation.
72 .sp
73 memcached_set_memory_allocators() is used to set the memory allocators used
74 by the memcached instance specified by ptr. Please note that you cannot
75 override only one of the memory allocators, you have to specify a complete
76 new set if you want to override one of them. All of the memory allocation
77 functions should behave as specified in the C99 standard. Specify NULL as
78 all functions to reset them to the default values.
79 .sp
80 memcached_get_memory_allocators() is used to get the currently used memory
81 allocators by a mamcached handle.
82 .sp
83 memcached_get_memory_allocators_context() returns the void * that was
84 passed in during the call to memcached_set_memory_allocators().
85 .sp
86 The first argument to the memory allocator functions is a pointer to a
87 memcached structure, the is passed as const and you will need to clone
88 it in order to make use of any operation which would modify it.
89 .SH NOTES
90 .sp
91 In version 0.38 all functions were modified to have a context void pointer
92 passed to them. This was so that customer allocators could have their
93 own space for memory.
94 .SH RETURN
95 .sp
96 memcached_set_memory_allocators() return MEMCACHED_SUCCESS upon success,
97 and MEMCACHED_FAILURE if you don\(aqt pass a complete set of function pointers.
98 .SH HOME
99 .sp
100 To find out more information please check:
101 \fI\%http://libmemcached.org/\fP
102 .SH SEE ALSO
103 .sp
104 \fImemcached(1)\fP \fIlibmemcached(3)\fP \fImemcached_strerror(3)\fP
105 .SH AUTHOR
106 Brian Aker
107 .SH COPYRIGHT
108 2011, Brian Aker DataDifferential, http://datadifferential.com/
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