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Directory Structure [step 1]: moving files
working on #672 NOTE: This commit can't be compiled!!
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Yehonal
434
deps/jemalloc/include/jemalloc/internal/tsd.h
vendored
Normal file
434
deps/jemalloc/include/jemalloc/internal/tsd.h
vendored
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@@ -0,0 +1,434 @@
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/******************************************************************************/
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#ifdef JEMALLOC_H_TYPES
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/* Maximum number of malloc_tsd users with cleanup functions. */
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#define MALLOC_TSD_CLEANUPS_MAX 8
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typedef bool (*malloc_tsd_cleanup_t)(void);
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#if (!defined(JEMALLOC_MALLOC_THREAD_CLEANUP) && !defined(JEMALLOC_TLS) && \
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!defined(_WIN32))
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typedef struct tsd_init_block_s tsd_init_block_t;
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typedef struct tsd_init_head_s tsd_init_head_t;
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#endif
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/*
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* TLS/TSD-agnostic macro-based implementation of thread-specific data. There
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* are four macros that support (at least) three use cases: file-private,
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* library-private, and library-private inlined. Following is an example
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* library-private tsd variable:
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*
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* In example.h:
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* typedef struct {
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* int x;
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* int y;
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* } example_t;
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* #define EX_INITIALIZER JEMALLOC_CONCAT({0, 0})
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* malloc_tsd_protos(, example, example_t *)
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* malloc_tsd_externs(example, example_t *)
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* In example.c:
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* malloc_tsd_data(, example, example_t *, EX_INITIALIZER)
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* malloc_tsd_funcs(, example, example_t *, EX_INITIALIZER,
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* example_tsd_cleanup)
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*
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* The result is a set of generated functions, e.g.:
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*
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* bool example_tsd_boot(void) {...}
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* example_t **example_tsd_get() {...}
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* void example_tsd_set(example_t **val) {...}
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*
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* Note that all of the functions deal in terms of (a_type *) rather than
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* (a_type) so that it is possible to support non-pointer types (unlike
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* pthreads TSD). example_tsd_cleanup() is passed an (a_type *) pointer that is
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* cast to (void *). This means that the cleanup function needs to cast *and*
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* dereference the function argument, e.g.:
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*
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* void
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* example_tsd_cleanup(void *arg)
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* {
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* example_t *example = *(example_t **)arg;
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*
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* [...]
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* if ([want the cleanup function to be called again]) {
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* example_tsd_set(&example);
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* }
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* }
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*
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* If example_tsd_set() is called within example_tsd_cleanup(), it will be
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* called again. This is similar to how pthreads TSD destruction works, except
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* that pthreads only calls the cleanup function again if the value was set to
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* non-NULL.
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*/
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/* malloc_tsd_protos(). */
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#define malloc_tsd_protos(a_attr, a_name, a_type) \
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a_attr bool \
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a_name##_tsd_boot(void); \
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a_attr a_type * \
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a_name##_tsd_get(void); \
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a_attr void \
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a_name##_tsd_set(a_type *val);
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/* malloc_tsd_externs(). */
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#ifdef JEMALLOC_MALLOC_THREAD_CLEANUP
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#define malloc_tsd_externs(a_name, a_type) \
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extern __thread a_type a_name##_tls; \
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extern __thread bool a_name##_initialized; \
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extern bool a_name##_booted;
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#elif (defined(JEMALLOC_TLS))
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#define malloc_tsd_externs(a_name, a_type) \
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extern __thread a_type a_name##_tls; \
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extern pthread_key_t a_name##_tsd; \
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extern bool a_name##_booted;
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#elif (defined(_WIN32))
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#define malloc_tsd_externs(a_name, a_type) \
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extern DWORD a_name##_tsd; \
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extern bool a_name##_booted;
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#else
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#define malloc_tsd_externs(a_name, a_type) \
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extern pthread_key_t a_name##_tsd; \
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extern tsd_init_head_t a_name##_tsd_init_head; \
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extern bool a_name##_booted;
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#endif
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/* malloc_tsd_data(). */
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#ifdef JEMALLOC_MALLOC_THREAD_CLEANUP
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#define malloc_tsd_data(a_attr, a_name, a_type, a_initializer) \
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a_attr __thread a_type JEMALLOC_TLS_MODEL \
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a_name##_tls = a_initializer; \
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a_attr __thread bool JEMALLOC_TLS_MODEL \
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a_name##_initialized = false; \
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a_attr bool a_name##_booted = false;
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#elif (defined(JEMALLOC_TLS))
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#define malloc_tsd_data(a_attr, a_name, a_type, a_initializer) \
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a_attr __thread a_type JEMALLOC_TLS_MODEL \
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a_name##_tls = a_initializer; \
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a_attr pthread_key_t a_name##_tsd; \
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a_attr bool a_name##_booted = false;
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#elif (defined(_WIN32))
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#define malloc_tsd_data(a_attr, a_name, a_type, a_initializer) \
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a_attr DWORD a_name##_tsd; \
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a_attr bool a_name##_booted = false;
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#else
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#define malloc_tsd_data(a_attr, a_name, a_type, a_initializer) \
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a_attr pthread_key_t a_name##_tsd; \
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a_attr tsd_init_head_t a_name##_tsd_init_head = { \
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ql_head_initializer(blocks), \
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MALLOC_MUTEX_INITIALIZER \
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}; \
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a_attr bool a_name##_booted = false;
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#endif
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/* malloc_tsd_funcs(). */
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#ifdef JEMALLOC_MALLOC_THREAD_CLEANUP
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#define malloc_tsd_funcs(a_attr, a_name, a_type, a_initializer, \
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a_cleanup) \
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/* Initialization/cleanup. */ \
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a_attr bool \
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a_name##_tsd_cleanup_wrapper(void) \
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{ \
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\
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if (a_name##_initialized) { \
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a_name##_initialized = false; \
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a_cleanup(&a_name##_tls); \
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} \
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return (a_name##_initialized); \
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} \
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a_attr bool \
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a_name##_tsd_boot(void) \
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{ \
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\
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if (a_cleanup != malloc_tsd_no_cleanup) { \
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malloc_tsd_cleanup_register( \
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&a_name##_tsd_cleanup_wrapper); \
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} \
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a_name##_booted = true; \
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return (false); \
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} \
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/* Get/set. */ \
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a_attr a_type * \
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a_name##_tsd_get(void) \
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{ \
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\
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assert(a_name##_booted); \
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return (&a_name##_tls); \
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} \
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a_attr void \
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a_name##_tsd_set(a_type *val) \
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{ \
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\
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assert(a_name##_booted); \
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a_name##_tls = (*val); \
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if (a_cleanup != malloc_tsd_no_cleanup) \
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a_name##_initialized = true; \
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}
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#elif (defined(JEMALLOC_TLS))
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#define malloc_tsd_funcs(a_attr, a_name, a_type, a_initializer, \
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a_cleanup) \
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/* Initialization/cleanup. */ \
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a_attr bool \
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a_name##_tsd_boot(void) \
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{ \
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\
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if (a_cleanup != malloc_tsd_no_cleanup) { \
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if (pthread_key_create(&a_name##_tsd, a_cleanup) != 0) \
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return (true); \
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} \
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a_name##_booted = true; \
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return (false); \
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} \
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/* Get/set. */ \
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a_attr a_type * \
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a_name##_tsd_get(void) \
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{ \
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\
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assert(a_name##_booted); \
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return (&a_name##_tls); \
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} \
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a_attr void \
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a_name##_tsd_set(a_type *val) \
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{ \
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\
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assert(a_name##_booted); \
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a_name##_tls = (*val); \
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if (a_cleanup != malloc_tsd_no_cleanup) { \
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if (pthread_setspecific(a_name##_tsd, \
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(void *)(&a_name##_tls))) { \
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malloc_write("<jemalloc>: Error" \
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" setting TSD for "#a_name"\n"); \
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if (opt_abort) \
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abort(); \
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} \
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} \
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}
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#elif (defined(_WIN32))
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#define malloc_tsd_funcs(a_attr, a_name, a_type, a_initializer, \
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a_cleanup) \
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/* Data structure. */ \
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typedef struct { \
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bool initialized; \
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a_type val; \
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} a_name##_tsd_wrapper_t; \
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/* Initialization/cleanup. */ \
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a_attr bool \
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a_name##_tsd_cleanup_wrapper(void) \
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{ \
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a_name##_tsd_wrapper_t *wrapper; \
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\
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wrapper = (a_name##_tsd_wrapper_t *) TlsGetValue(a_name##_tsd); \
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if (wrapper == NULL) \
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return (false); \
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if (a_cleanup != malloc_tsd_no_cleanup && \
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wrapper->initialized) { \
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a_type val = wrapper->val; \
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a_type tsd_static_data = a_initializer; \
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wrapper->initialized = false; \
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wrapper->val = tsd_static_data; \
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a_cleanup(&val); \
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if (wrapper->initialized) { \
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/* Trigger another cleanup round. */ \
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return (true); \
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} \
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} \
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malloc_tsd_dalloc(wrapper); \
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return (false); \
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} \
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a_attr bool \
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a_name##_tsd_boot(void) \
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{ \
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\
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a_name##_tsd = TlsAlloc(); \
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if (a_name##_tsd == TLS_OUT_OF_INDEXES) \
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return (true); \
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if (a_cleanup != malloc_tsd_no_cleanup) { \
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malloc_tsd_cleanup_register( \
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&a_name##_tsd_cleanup_wrapper); \
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} \
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a_name##_booted = true; \
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return (false); \
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} \
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/* Get/set. */ \
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a_attr a_name##_tsd_wrapper_t * \
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a_name##_tsd_get_wrapper(void) \
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{ \
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a_name##_tsd_wrapper_t *wrapper = (a_name##_tsd_wrapper_t *) \
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TlsGetValue(a_name##_tsd); \
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\
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if (wrapper == NULL) { \
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wrapper = (a_name##_tsd_wrapper_t *) \
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malloc_tsd_malloc(sizeof(a_name##_tsd_wrapper_t)); \
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if (wrapper == NULL) { \
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malloc_write("<jemalloc>: Error allocating" \
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" TSD for "#a_name"\n"); \
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abort(); \
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} else { \
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static a_type tsd_static_data = a_initializer; \
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wrapper->initialized = false; \
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wrapper->val = tsd_static_data; \
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} \
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if (!TlsSetValue(a_name##_tsd, (void *)wrapper)) { \
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malloc_write("<jemalloc>: Error setting" \
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" TSD for "#a_name"\n"); \
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abort(); \
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} \
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} \
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return (wrapper); \
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} \
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a_attr a_type * \
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a_name##_tsd_get(void) \
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{ \
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a_name##_tsd_wrapper_t *wrapper; \
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\
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assert(a_name##_booted); \
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wrapper = a_name##_tsd_get_wrapper(); \
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return (&wrapper->val); \
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} \
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a_attr void \
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a_name##_tsd_set(a_type *val) \
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{ \
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a_name##_tsd_wrapper_t *wrapper; \
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\
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assert(a_name##_booted); \
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wrapper = a_name##_tsd_get_wrapper(); \
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wrapper->val = *(val); \
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if (a_cleanup != malloc_tsd_no_cleanup) \
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wrapper->initialized = true; \
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}
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#else
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#define malloc_tsd_funcs(a_attr, a_name, a_type, a_initializer, \
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a_cleanup) \
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/* Data structure. */ \
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typedef struct { \
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bool initialized; \
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a_type val; \
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} a_name##_tsd_wrapper_t; \
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/* Initialization/cleanup. */ \
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a_attr void \
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a_name##_tsd_cleanup_wrapper(void *arg) \
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{ \
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a_name##_tsd_wrapper_t *wrapper = (a_name##_tsd_wrapper_t *)arg;\
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\
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if (a_cleanup != malloc_tsd_no_cleanup && \
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wrapper->initialized) { \
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wrapper->initialized = false; \
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a_cleanup(&wrapper->val); \
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if (wrapper->initialized) { \
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/* Trigger another cleanup round. */ \
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if (pthread_setspecific(a_name##_tsd, \
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(void *)wrapper)) { \
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malloc_write("<jemalloc>: Error" \
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" setting TSD for "#a_name"\n"); \
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if (opt_abort) \
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abort(); \
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} \
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return; \
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} \
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} \
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malloc_tsd_dalloc(wrapper); \
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} \
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a_attr bool \
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a_name##_tsd_boot(void) \
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{ \
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\
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if (pthread_key_create(&a_name##_tsd, \
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a_name##_tsd_cleanup_wrapper) != 0) \
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return (true); \
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a_name##_booted = true; \
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return (false); \
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} \
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/* Get/set. */ \
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a_attr a_name##_tsd_wrapper_t * \
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a_name##_tsd_get_wrapper(void) \
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{ \
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a_name##_tsd_wrapper_t *wrapper = (a_name##_tsd_wrapper_t *) \
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pthread_getspecific(a_name##_tsd); \
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\
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if (wrapper == NULL) { \
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tsd_init_block_t block; \
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wrapper = tsd_init_check_recursion( \
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&a_name##_tsd_init_head, &block); \
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if (wrapper) \
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return (wrapper); \
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wrapper = (a_name##_tsd_wrapper_t *) \
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malloc_tsd_malloc(sizeof(a_name##_tsd_wrapper_t)); \
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block.data = wrapper; \
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if (wrapper == NULL) { \
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malloc_write("<jemalloc>: Error allocating" \
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" TSD for "#a_name"\n"); \
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abort(); \
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} else { \
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static a_type tsd_static_data = a_initializer; \
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wrapper->initialized = false; \
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wrapper->val = tsd_static_data; \
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} \
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if (pthread_setspecific(a_name##_tsd, \
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(void *)wrapper)) { \
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malloc_write("<jemalloc>: Error setting" \
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" TSD for "#a_name"\n"); \
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abort(); \
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} \
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tsd_init_finish(&a_name##_tsd_init_head, &block); \
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} \
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return (wrapper); \
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} \
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a_attr a_type * \
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a_name##_tsd_get(void) \
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{ \
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a_name##_tsd_wrapper_t *wrapper; \
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\
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assert(a_name##_booted); \
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wrapper = a_name##_tsd_get_wrapper(); \
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return (&wrapper->val); \
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} \
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a_attr void \
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a_name##_tsd_set(a_type *val) \
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{ \
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a_name##_tsd_wrapper_t *wrapper; \
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\
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assert(a_name##_booted); \
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wrapper = a_name##_tsd_get_wrapper(); \
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wrapper->val = *(val); \
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if (a_cleanup != malloc_tsd_no_cleanup) \
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wrapper->initialized = true; \
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}
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#endif
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#endif /* JEMALLOC_H_TYPES */
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/******************************************************************************/
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#ifdef JEMALLOC_H_STRUCTS
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#if (!defined(JEMALLOC_MALLOC_THREAD_CLEANUP) && !defined(JEMALLOC_TLS) && \
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!defined(_WIN32))
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struct tsd_init_block_s {
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ql_elm(tsd_init_block_t) link;
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pthread_t thread;
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void *data;
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};
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struct tsd_init_head_s {
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ql_head(tsd_init_block_t) blocks;
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malloc_mutex_t lock;
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};
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#endif
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#endif /* JEMALLOC_H_STRUCTS */
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/******************************************************************************/
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||||
#ifdef JEMALLOC_H_EXTERNS
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||||
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void *malloc_tsd_malloc(size_t size);
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void malloc_tsd_dalloc(void *wrapper);
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void malloc_tsd_no_cleanup(void *);
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void malloc_tsd_cleanup_register(bool (*f)(void));
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void malloc_tsd_boot(void);
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#if (!defined(JEMALLOC_MALLOC_THREAD_CLEANUP) && !defined(JEMALLOC_TLS) && \
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!defined(_WIN32))
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void *tsd_init_check_recursion(tsd_init_head_t *head,
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tsd_init_block_t *block);
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void tsd_init_finish(tsd_init_head_t *head, tsd_init_block_t *block);
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||||
#endif
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||||
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#endif /* JEMALLOC_H_EXTERNS */
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||||
/******************************************************************************/
|
||||
#ifdef JEMALLOC_H_INLINES
|
||||
|
||||
#endif /* JEMALLOC_H_INLINES */
|
||||
/******************************************************************************/
|
||||
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