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Diffstat (limited to 'lib/isc/pthreads/include/isc/thread.h')
-rw-r--r-- | lib/isc/pthreads/include/isc/thread.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/lib/isc/pthreads/include/isc/thread.h b/lib/isc/pthreads/include/isc/thread.h new file mode 100644 index 0000000..6f83191 --- /dev/null +++ b/lib/isc/pthreads/include/isc/thread.h @@ -0,0 +1,74 @@ +/* + * Copyright (C) Internet Systems Consortium, Inc. ("ISC") + * + * SPDX-License-Identifier: MPL-2.0 + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, you can obtain one at https://mozilla.org/MPL/2.0/. + * + * See the COPYRIGHT file distributed with this work for additional + * information regarding copyright ownership. + */ + +#ifndef ISC_THREAD_H +#define ISC_THREAD_H 1 + +/*! \file */ + +#include <pthread.h> + +#if defined(HAVE_PTHREAD_NP_H) +#include <pthread_np.h> +#endif /* if defined(HAVE_PTHREAD_NP_H) */ + +#include <isc/lang.h> +#include <isc/result.h> + +#if defined(HAVE_THREAD_LOCAL) +#include <threads.h> +extern thread_local size_t isc_tid_v; +#elif defined(HAVE___THREAD) +extern __thread size_t isc_tid_v; +#endif /* if defined(HAVE_THREAD_LOCAL) */ + +ISC_LANG_BEGINDECLS + +typedef pthread_t isc_thread_t; +typedef void *isc_threadresult_t; +typedef void *isc_threadarg_t; +typedef isc_threadresult_t (*isc_threadfunc_t)(isc_threadarg_t); + +void +isc_thread_create(isc_threadfunc_t, isc_threadarg_t, isc_thread_t *); + +void +isc_thread_join(isc_thread_t thread, isc_threadresult_t *result); + +void +isc_thread_yield(void); + +void +isc_thread_setname(isc_thread_t thread, const char *name); + +#define isc_thread_self (uintptr_t) pthread_self + +/*** + *** Thread-Local Storage + ***/ + +#if defined(HAVE_TLS) +#if defined(HAVE_THREAD_LOCAL) +#define ISC_THREAD_LOCAL static thread_local +#elif defined(HAVE___THREAD) +#define ISC_THREAD_LOCAL static __thread +#else /* if defined(HAVE_THREAD_LOCAL) */ +#error "Unknown method for defining a TLS variable!" +#endif /* if defined(HAVE_THREAD_LOCAL) */ +#else /* if defined(HAVE_TLS) */ +#error "Thread-local storage support is required!" +#endif /* if defined(HAVE_TLS) */ + +ISC_LANG_ENDDECLS + +#endif /* ISC_THREAD_H */ |