| #include <stdio.h> | 
 | #include <tls.h> | 
 |  | 
 | #define TLS_VAR_INIT_VALUE 99 | 
 |  | 
 | #ifdef USE_TLS | 
 | __thread int tls_var  __attribute__((tls_model("global-dynamic"))); | 
 | static __thread int local_tls_var __attribute__((tls_model("local-dynamic"))); | 
 | #endif | 
 |  | 
 | void __attribute__((constructor)) libtls_ctor(void); | 
 | void libtls_ctor(void) | 
 | { | 
 | 	printf("libtls: constructor!\n"); | 
 | #ifdef USE_TLS | 
 | 	local_tls_var = TLS_VAR_INIT_VALUE; | 
 | 	tls_var = local_tls_var; | 
 | #endif | 
 | } | 
 |  | 
 | void __attribute__((destructor)) libtls_dtor(void); | 
 | void libtls_dtor(void) | 
 | { | 
 | 	printf("libtls: destructor!\n"); | 
 | } |