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Diffstat (limited to 'lib/isc/pthreads/include/isc/condition.h')
-rw-r--r-- | lib/isc/pthreads/include/isc/condition.h | 64 |
1 files changed, 64 insertions, 0 deletions
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 |