glibc/malloc/thread-freeres.c

43 lines
1.7 KiB
C

/* Free resources stored in thread-local variables on thread exit.
Copyright (C) 2003-2024 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <libc-internal.h>
#include <malloc-internal.h>
#include <set-freeres.h>
#include <shlib-compat.h>
#include <tls-internal.h>
/* Thread shutdown function. Note that this function must be called
for threads during shutdown for correctness reasons. Unlike
__libc_freeres, skipping calls to it is not a valid optimization.
This is called directly from pthread_create as the thread exits. */
void
__libc_thread_freeres (void)
{
#if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_32)
__rpc_thread_destroy ();
#endif
call_function_static_weak (__res_thread_freeres);
call_function_static_weak (__glibc_tls_internal_free);
call_function_static_weak (__libc_dlerror_result_free);
/* This should come last because it shuts down malloc for this
thread and the other shutdown functions might well call free. */
call_function_static_weak (__malloc_arena_thread_freeres);
}