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https://gitlab.isc.org/isc-projects/bind9
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3608abc8fa
In a number of situations in pthreads-related code, a common sequence of
steps is taken: if the value returned by a library function is not 0,
pass errno to strerror_r(), log the string returned by the latter, and
immediately abort execution. Add an ERRNO_CHECK() preprocessor macro
which takes those exact steps and use it wherever (conveniently)
possible.
Notes:
1. The "log the return value of strerror_r() and abort" pattern is used
in a number of other places that this commit does not touch; only
"!= 0" checks followed by isc_error_fatal() calls with
non-customized error messages are replaced here.
2. This change temporarily breaks file name & line number reporting for
isc__mutex_init() errors, to prevent breaking the build. This issue
will be rectified in a subsequent change.
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55 lines
1.5 KiB
C
55 lines
1.5 KiB
C
/*
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* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
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*
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* SPDX-License-Identifier: MPL-2.0
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, you can obtain one at https://mozilla.org/MPL/2.0/.
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*
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* See the COPYRIGHT file distributed with this work for additional
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* information regarding copyright ownership.
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*/
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#pragma once
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/*! \file */
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#include <errno.h>
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#include <isc/error.h>
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#include <isc/lang.h>
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#include <isc/mutex.h>
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#include <isc/result.h>
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#include <isc/string.h>
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#include <isc/types.h>
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#include <isc/util.h>
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typedef pthread_cond_t isc_condition_t;
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#define isc_condition_init(cond) \
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{ \
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int _ret = pthread_cond_init(cond, NULL); \
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ERRNO_CHECK(pthread_cond_init, _ret); \
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}
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#define isc_condition_wait(cp, mp) \
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((pthread_cond_wait((cp), (mp)) == 0) ? ISC_R_SUCCESS \
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: ISC_R_UNEXPECTED)
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#define isc_condition_signal(cp) \
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((pthread_cond_signal((cp)) == 0) ? ISC_R_SUCCESS : ISC_R_UNEXPECTED)
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#define isc_condition_broadcast(cp) \
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((pthread_cond_broadcast((cp)) == 0) ? ISC_R_SUCCESS : ISC_R_UNEXPECTED)
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#define isc_condition_destroy(cp) \
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((pthread_cond_destroy((cp)) == 0) ? ISC_R_SUCCESS : ISC_R_UNEXPECTED)
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ISC_LANG_BEGINDECLS
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isc_result_t
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isc_condition_waituntil(isc_condition_t *, isc_mutex_t *, isc_time_t *);
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ISC_LANG_ENDDECLS
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