TLS

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#include <pthread.h>
int pthread_key_create (pthread_key_t *key, void (*destructor)(void *));
int pthread_key_delete (pthread_key_t key);
int pthread_setspecific (pthread_key_t key, const void *value);
void *pthread_getspecific (pthread_key_t key);
int pthread_once(pthread_once_t *once_control, void (*init)(void));

#include <pthread.h> int pthread_key_create (pthread_key_t *key, void (*destructor)(void *)); int pthread_key_delete (pthread_key_t key); int pthread_setspecific (pthread_key_t key, const void *value); void *pthread_getspecific (pthread_key_t key); int pthread_once(pthread_once_t *once_control, void (*init)(void));

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static __thread int buf[MAX_ERROR_LEN];

static __thread int buf[MAX_ERROR_LEN];

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DWORD TlsAlloc();
BOOL TlsFree(DWORD dwTlsIndex);
LPVOID TlsGetValue(DWORD dwTlsIndex);
BOOL TlsSetValue(DWORD  dwTlsIndex, LPVOID lpTlsValue);
// or
// in header,
__declspec(thread) extern size_t strdupa_len;
// and in c file, 
// as to one variable, __declspec(thread) should be write twice,
// one in prefix of prototype,
// one in prefix of definition
__declspec(thread) size_t strdupa_len;

DWORD TlsAlloc(); BOOL TlsFree(DWORD dwTlsIndex); LPVOID TlsGetValue(DWORD dwTlsIndex); BOOL TlsSetValue(DWORD dwTlsIndex, LPVOID lpTlsValue); // or // in header, __declspec(thread) extern size_t strdupa_len; // and in c file, // as to one variable, __declspec(thread) should be write twice, // one in prefix of prototype, // one in prefix of definition __declspec(thread) size_t strdupa_len;