44 #ifndef COMMONCPP_MISC_H_
45 #define COMMONCPP_MISC_H_
47 #ifndef COMMONCPP_CONFIG_H_
48 #include <commoncpp/config.h>
51 #define KEYDATA_INDEX_SIZE 97
52 #define KEYDATA_PAGER_SIZE 512
55 #define KEYDATA_PATH_SIZE 512
57 #define KEYDATA_PATH_SIZE PATH_MAX
60 #define KEYDATA_PATH_SIZE 256
65 class __EXPORT MemPager :
protected ucommon::memalloc
68 __DELETE_COPY(MemPager);
71 inline MemPager(
size_t pagesize = 4096) :
ucommon::memalloc(pagesize) {}
73 inline void *alloc(
size_t size) {
77 char *alloc(
const char *str);
79 inline char *first(
const char *str) {
83 inline void *first(
size_t size) {
87 inline int getPages(
void)
const {
91 inline void purge(
void) {
104 class __EXPORT SharedMemPager :
public MemPager,
public Mutex
107 __DELETE_COPY(SharedMemPager);
116 SharedMemPager(
size_t pagesize = 4096);
128 void* alloc(
size_t size);
130 inline void *first(
size_t size) {
152 entry *entries[KEYDATA_INDEX_SIZE];
154 __DELETE_COPY(Assoc);
162 virtual void *getMemory(
size_t size) = 0;
165 void *getPointer(
const char *
id)
const;
166 void setPointer(
const char *
id,
void *data);