#define JEMALLOC_TSD_C_ #include "jemalloc/internal/jemalloc_internal.h" /******************************************************************************/ /* Data. */ static unsigned ncleanups; static malloc_tsd_cleanup_t cleanups[MALLOC_TSD_CLEANUPS_MAX]; /******************************************************************************/ void * malloc_tsd_malloc(size_t size) { /* Avoid choose_arena() in order to dodge bootstrapping issues. */ return (arena_malloc(arenas[0], size, false, false)); } void malloc_tsd_dalloc(void *wrapper) { idalloct(wrapper, false); } void malloc_tsd_no_cleanup(void *arg) { not_reached(); } #if defined(JEMALLOC_MALLOC_THREAD_CLEANUP) || defined(_WIN32) #ifndef _WIN32 JEMALLOC_EXPORT #endif void _malloc_thread_cleanup(void) { bool pending[MALLOC_TSD_CLEANUPS_MAX], again; unsigned i; for (i = 0; i < ncleanups; i++) pending[i] = true; do { again = false; for (i = 0; i < ncleanups; i++) { if (pending[i]) { pending[i] = cleanups[i](); if (pending[i]) again = true; } } } while (again); } #endif void malloc_tsd_cleanup_register(bool (*f)(void)) { assert(ncleanups < MALLOC_TSD_CLEANUPS_MAX); cleanups[ncleanups] = f; ncleanups++; } void malloc_tsd_boot(void) { ncleanups = 0; } #ifdef _WIN32 static BOOL WINAPI _tls_callback(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved) { switch (fdwReason) { #ifdef JEMALLOC_LAZY_LOCK case DLL_THREAD_ATTACH: isthreaded = true; break; #endif case DLL_THREAD_DETACH: _malloc_thread_cleanup(); break; default: break; } return (true); } #ifdef _MSC_VER # ifdef _M_IX86 # pragma comment(linker, "/INCLUDE:__tls_used") # else # pragma comment(linker, "/INCLUDE:_tls_used") # endif # pragma section(".CRT$XLY",long,read) #endif JEMALLOC_SECTION(".CRT$XLY") JEMALLOC_ATTR(used) static const BOOL (WINAPI *tls_callback)(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved) = _tls_callback; #endif #if (!defined(JEMALLOC_MALLOC_THREAD_CLEANUP) && !defined(JEMALLOC_TLS) && \ !defined(_WIN32)) void * tsd_init_check_recursion(tsd_init_head_t *head, tsd_init_block_t *block) { pthread_t self = pthread_self(); tsd_init_block_t *iter; /* Check whether this thread has already inserted into the list. */ malloc_mutex_lock(&head->lock); ql_foreach(iter, &head->blocks, link) { if (iter->thread == self) { malloc_mutex_unlock(&head->lock); return (iter->data); } } /* Insert block into list. */ ql_elm_new(block, link); block->thread = self; ql_tail_insert(&head->blocks, block, link); malloc_mutex_unlock(&head->lock); return (NULL); } void tsd_init_finish(tsd_init_head_t *head, tsd_init_block_t *block) { malloc_mutex_lock(&head->lock); ql_remove(&head->blocks, block, link); malloc_mutex_unlock(&head->lock); } #endif