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- /*
- * This file is subject to the terms and conditions of the LGPV V2.1
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2019 Kalray Inc.
- */
- #include <sysdep.h>
- #include <tls.h>
- #ifndef __ASSEMBLER__
- # include <pthreadP.h>
- #endif
- #if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt
- # if defined IS_IN_libpthread
- # define __local_multiple_threads __pthread_multiple_threads
- # elif !defined NOT_IN_libc
- # define __local_multiple_threads __libc_multiple_threads
- # endif
- # if defined IS_IN_libpthread || !defined NOT_IN_libc
- extern int __local_multiple_threads attribute_hidden;
- # define SINGLE_THREAD_P __builtin_expect (__local_multiple_threads == 0, 1)
- # else
- /* There is no __local_multiple_threads for librt, so use the TCB. */
- # define SINGLE_THREAD_P \
- __builtin_expect (THREAD_GETMEM (THREAD_SELF, \
- header.multiple_threads) == 0, 1)
- # endif
- #else
- /* For rtld, et cetera. */
- # define SINGLE_THREAD_P 1
- # define NO_CANCELLATION 1
- #endif
- # define RTLD_SINGLE_THREAD_P \
- __builtin_expect (THREAD_GETMEM (THREAD_SELF, \
- header.multiple_threads) == 0, 1)
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