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author | peter <peter@FreeBSD.org> | 2008-07-12 05:00:28 +0000 |
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committer | peter <peter@FreeBSD.org> | 2008-07-12 05:00:28 +0000 |
commit | ba8f85b49c38af7bc2a9acdef5dcde2de008d25e (patch) | |
tree | ceac31a567976fd5866cb5791b059781f6e045de /lib/isc/pthreads/condition.c | |
parent | 0f328cea2580ffb8f9e363be671a517787111472 (diff) | |
download | FreeBSD-src-ba8f85b49c38af7bc2a9acdef5dcde2de008d25e.zip FreeBSD-src-ba8f85b49c38af7bc2a9acdef5dcde2de008d25e.tar.gz |
Flatten bind9 vendor work area
Diffstat (limited to 'lib/isc/pthreads/condition.c')
-rw-r--r-- | lib/isc/pthreads/condition.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/lib/isc/pthreads/condition.c b/lib/isc/pthreads/condition.c new file mode 100644 index 0000000..b9c26c6 --- /dev/null +++ b/lib/isc/pthreads/condition.c @@ -0,0 +1,74 @@ +/* + * Copyright (C) 2004, 2005 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 1998-2001 Internet Software Consortium. + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH + * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, + * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM + * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE + * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ + +/* $Id: condition.c,v 1.32.18.2 2005/04/29 00:17:05 marka Exp $ */ + +/*! \file */ + +#include <config.h> + +#include <errno.h> + +#include <isc/condition.h> +#include <isc/msgs.h> +#include <isc/strerror.h> +#include <isc/string.h> +#include <isc/time.h> +#include <isc/util.h> + +isc_result_t +isc_condition_waituntil(isc_condition_t *c, isc_mutex_t *m, isc_time_t *t) { + int presult; + isc_result_t result; + struct timespec ts; + char strbuf[ISC_STRERRORSIZE]; + + REQUIRE(c != NULL && m != NULL && t != NULL); + + /* + * POSIX defines a timespec's tv_sec as time_t. + */ + result = isc_time_secondsastimet(t, &ts.tv_sec); + if (result != ISC_R_SUCCESS) + return (result); + + /*! + * POSIX defines a timespec's tv_nsec as long. isc_time_nanoseconds + * ensures its return value is < 1 billion, which will fit in a long. + */ + ts.tv_nsec = (long)isc_time_nanoseconds(t); + + do { +#if ISC_MUTEX_PROFILE + presult = pthread_cond_timedwait(c, &m->mutex, &ts); +#else + presult = pthread_cond_timedwait(c, m, &ts); +#endif + if (presult == 0) + return (ISC_R_SUCCESS); + if (presult == ETIMEDOUT) + return (ISC_R_TIMEDOUT); + } while (presult == EINTR); + + isc__strerror(presult, strbuf, sizeof(strbuf)); + UNEXPECTED_ERROR(__FILE__, __LINE__, + "pthread_cond_timedwait() %s %s", + isc_msgcat_get(isc_msgcat, ISC_MSGSET_GENERAL, + ISC_MSG_RETURNED, "returned"), + strbuf); + return (ISC_R_UNEXPECTED); +} |