diff options
Diffstat (limited to 'lib/isc/pthreads/include')
| l--------- | lib/isc/pthreads/include/.clang-format | 1 | ||||
| -rw-r--r-- | lib/isc/pthreads/include/Makefile.in | 19 | ||||
| -rw-r--r-- | lib/isc/pthreads/include/isc/Makefile.in | 36 | ||||
| -rw-r--r-- | lib/isc/pthreads/include/isc/condition.h | 64 | ||||
| -rw-r--r-- | lib/isc/pthreads/include/isc/mutex.h | 129 | ||||
| -rw-r--r-- | lib/isc/pthreads/include/isc/once.h | 33 | ||||
| -rw-r--r-- | lib/isc/pthreads/include/isc/thread.h | 74 |
7 files changed, 356 insertions, 0 deletions
diff --git a/lib/isc/pthreads/include/.clang-format b/lib/isc/pthreads/include/.clang-format new file mode 120000 index 0000000..e919bba --- /dev/null +++ b/lib/isc/pthreads/include/.clang-format @@ -0,0 +1 @@ +../../../../.clang-format.headers
\ No newline at end of file diff --git a/lib/isc/pthreads/include/Makefile.in b/lib/isc/pthreads/include/Makefile.in new file mode 100644 index 0000000..60a0a67 --- /dev/null +++ b/lib/isc/pthreads/include/Makefile.in @@ -0,0 +1,19 @@ +# 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. + +srcdir = @srcdir@ +VPATH = @srcdir@ +top_srcdir = @top_srcdir@ + +SUBDIRS = isc +TARGETS = + +@BIND9_MAKE_RULES@ diff --git a/lib/isc/pthreads/include/isc/Makefile.in b/lib/isc/pthreads/include/isc/Makefile.in new file mode 100644 index 0000000..e92364d --- /dev/null +++ b/lib/isc/pthreads/include/isc/Makefile.in @@ -0,0 +1,36 @@ +# 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. + +srcdir = @srcdir@ +VPATH = @srcdir@ +top_srcdir = @top_srcdir@ + +VERSION=@BIND9_VERSION@ + +HEADERS = condition.h mutex.h once.h thread.h + +SUBDIRS = +TARGETS = + +@BIND9_MAKE_RULES@ + +installdirs: + $(SHELL) ${top_srcdir}/mkinstalldirs ${DESTDIR}${includedir}/isc + +install:: installdirs + for i in ${HEADERS}; do \ + ${INSTALL_DATA} $(srcdir)/$$i ${DESTDIR}${includedir}/isc || exit 1; \ + done + +uninstall:: + for i in ${HEADERS}; do \ + rm -f ${DESTDIR}${includedir}/isc/$$i || exit 1; \ + done diff --git a/lib/isc/pthreads/include/isc/condition.h b/lib/isc/pthreads/include/isc/condition.h new file mode 100644 index 0000000..8a79eb4 --- /dev/null +++ b/lib/isc/pthreads/include/isc/condition.h @@ -0,0 +1,64 @@ +/* + * 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. + */ + +#pragma once + +/*! \file */ + +#include <errno.h> + +#include <isc/error.h> +#include <isc/lang.h> +#include <isc/mutex.h> +#include <isc/result.h> +#include <isc/strerr.h> +#include <isc/string.h> +#include <isc/types.h> + +typedef pthread_cond_t isc_condition_t; + +#define isc_condition_init(cond) \ + if (pthread_cond_init(cond, NULL) != 0) { \ + char isc_condition_strbuf[ISC_STRERRORSIZE]; \ + strerror_r(errno, isc_condition_strbuf, \ + sizeof(isc_condition_strbuf)); \ + isc_error_fatal(__FILE__, __LINE__, \ + "pthread_cond_init failed: %s", \ + isc_condition_strbuf); \ + } + +#if ISC_MUTEX_PROFILE +#define isc_condition_wait(cp, mp) \ + ((pthread_cond_wait((cp), &((mp)->mutex)) == 0) ? ISC_R_SUCCESS \ + : ISC_R_UNEXPECTED) +#else /* if ISC_MUTEX_PROFILE */ +#define isc_condition_wait(cp, mp) \ + ((pthread_cond_wait((cp), (mp)) == 0) ? ISC_R_SUCCESS \ + : ISC_R_UNEXPECTED) +#endif /* if ISC_MUTEX_PROFILE */ + +#define isc_condition_signal(cp) \ + ((pthread_cond_signal((cp)) == 0) ? ISC_R_SUCCESS : ISC_R_UNEXPECTED) + +#define isc_condition_broadcast(cp) \ + ((pthread_cond_broadcast((cp)) == 0) ? ISC_R_SUCCESS : ISC_R_UNEXPECTED) + +#define isc_condition_destroy(cp) \ + ((pthread_cond_destroy((cp)) == 0) ? ISC_R_SUCCESS : ISC_R_UNEXPECTED) + +ISC_LANG_BEGINDECLS + +isc_result_t +isc_condition_waituntil(isc_condition_t *, isc_mutex_t *, isc_time_t *); + +ISC_LANG_ENDDECLS diff --git a/lib/isc/pthreads/include/isc/mutex.h b/lib/isc/pthreads/include/isc/mutex.h new file mode 100644 index 0000000..2390cd9 --- /dev/null +++ b/lib/isc/pthreads/include/isc/mutex.h @@ -0,0 +1,129 @@ +/* + * 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_MUTEX_H +#define ISC_MUTEX_H 1 + +/*! \file */ + +#include <pthread.h> +#include <stdio.h> + +#include <isc/lang.h> +#include <isc/result.h> /* for ISC_R_ codes */ + +ISC_LANG_BEGINDECLS + +/*! + * Supply mutex attributes that enable deadlock detection + * (helpful when debugging). This is system dependent and + * currently only supported on NetBSD. + */ +#if ISC_MUTEX_DEBUG && defined(__NetBSD__) && defined(PTHREAD_MUTEX_ERRORCHECK) +extern pthread_mutexattr_t isc__mutex_attrs; +#define ISC__MUTEX_ATTRS &isc__mutex_attrs +#else /* if ISC_MUTEX_DEBUG && defined(__NetBSD__) && \ + * defined(PTHREAD_MUTEX_ERRORCHECK) */ +#define ISC__MUTEX_ATTRS NULL +#endif /* if ISC_MUTEX_DEBUG && defined(__NetBSD__) && \ + * defined(PTHREAD_MUTEX_ERRORCHECK) */ + +/* XXX We could do fancier error handling... */ + +/*! + * Define ISC_MUTEX_PROFILE to turn on profiling of mutexes by line. When + * enabled, isc_mutex_stats() can be used to print a table showing the + * number of times each type of mutex was locked and the amount of time + * waiting to obtain the lock. + */ +#ifndef ISC_MUTEX_PROFILE +#define ISC_MUTEX_PROFILE 0 +#endif /* ifndef ISC_MUTEX_PROFILE */ + +#if ISC_MUTEX_PROFILE +typedef struct isc_mutexstats isc_mutexstats_t; + +typedef struct { + pthread_mutex_t mutex; /*%< The actual mutex. */ + isc_mutexstats_t *stats; /*%< Mutex statistics. */ +} isc_mutex_t; +#else /* if ISC_MUTEX_PROFILE */ +typedef pthread_mutex_t isc_mutex_t; +#endif /* if ISC_MUTEX_PROFILE */ + +#if ISC_MUTEX_PROFILE +#define isc_mutex_init(mp) isc_mutex_init_profile((mp), __FILE__, __LINE__) +#else /* if ISC_MUTEX_PROFILE */ +#if ISC_MUTEX_DEBUG && defined(PTHREAD_MUTEX_ERRORCHECK) +#define isc_mutex_init(mp) isc_mutex_init_errcheck((mp)) +#else /* if ISC_MUTEX_DEBUG && defined(PTHREAD_MUTEX_ERRORCHECK) */ +#define isc_mutex_init(mp) isc__mutex_init((mp), __FILE__, __LINE__) +void +isc__mutex_init(isc_mutex_t *mp, const char *file, unsigned int line); +#endif /* if ISC_MUTEX_DEBUG && defined(PTHREAD_MUTEX_ERRORCHECK) */ +#endif /* if ISC_MUTEX_PROFILE */ + +#if ISC_MUTEX_PROFILE +#define isc_mutex_lock(mp) isc_mutex_lock_profile((mp), __FILE__, __LINE__) +#else /* if ISC_MUTEX_PROFILE */ +#define isc_mutex_lock(mp) \ + ((pthread_mutex_lock((mp)) == 0) ? ISC_R_SUCCESS : ISC_R_UNEXPECTED) +#endif /* if ISC_MUTEX_PROFILE */ + +#if ISC_MUTEX_PROFILE +#define isc_mutex_unlock(mp) isc_mutex_unlock_profile((mp), __FILE__, __LINE__) +#else /* if ISC_MUTEX_PROFILE */ +#define isc_mutex_unlock(mp) \ + ((pthread_mutex_unlock((mp)) == 0) ? ISC_R_SUCCESS : ISC_R_UNEXPECTED) +#endif /* if ISC_MUTEX_PROFILE */ + +#if ISC_MUTEX_PROFILE +#define isc_mutex_trylock(mp) \ + ((pthread_mutex_trylock((&(mp)->mutex)) == 0) ? ISC_R_SUCCESS \ + : ISC_R_LOCKBUSY) +#else /* if ISC_MUTEX_PROFILE */ +#define isc_mutex_trylock(mp) \ + ((pthread_mutex_trylock((mp)) == 0) ? ISC_R_SUCCESS : ISC_R_LOCKBUSY) +#endif /* if ISC_MUTEX_PROFILE */ + +#if ISC_MUTEX_PROFILE +#define isc_mutex_destroy(mp) \ + RUNTIME_CHECK(pthread_mutex_destroy((&(mp)->mutex)) == 0) +#else /* if ISC_MUTEX_PROFILE */ +#define isc_mutex_destroy(mp) RUNTIME_CHECK(pthread_mutex_destroy((mp)) == 0) +#endif /* if ISC_MUTEX_PROFILE */ + +#if ISC_MUTEX_PROFILE +#define isc_mutex_stats(fp) isc_mutex_statsprofile(fp); +#else /* if ISC_MUTEX_PROFILE */ +#define isc_mutex_stats(fp) +#endif /* if ISC_MUTEX_PROFILE */ + +#if ISC_MUTEX_PROFILE + +void +isc_mutex_init_profile(isc_mutex_t *mp, const char *_file, int _line); +isc_result_t +isc_mutex_lock_profile(isc_mutex_t *mp, const char *_file, int _line); +isc_result_t +isc_mutex_unlock_profile(isc_mutex_t *mp, const char *_file, int _line); + +void +isc_mutex_statsprofile(FILE *fp); +#endif /* ISC_MUTEX_PROFILE */ + +void +isc_mutex_init_errcheck(isc_mutex_t *mp); + +ISC_LANG_ENDDECLS +#endif /* ISC_MUTEX_H */ diff --git a/lib/isc/pthreads/include/isc/once.h b/lib/isc/pthreads/include/isc/once.h new file mode 100644 index 0000000..481dba5 --- /dev/null +++ b/lib/isc/pthreads/include/isc/once.h @@ -0,0 +1,33 @@ +/* + * 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_ONCE_H +#define ISC_ONCE_H 1 + +/*! \file */ + +#include <pthread.h> + +#include <isc/platform.h> +#include <isc/result.h> + +typedef pthread_once_t isc_once_t; + +#define ISC_ONCE_INIT PTHREAD_ONCE_INIT + +/* XXX We could do fancier error handling... */ + +#define isc_once_do(op, f) \ + ((pthread_once((op), (f)) == 0) ? ISC_R_SUCCESS : ISC_R_UNEXPECTED) + +#endif /* ISC_ONCE_H */ 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 */ |