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https://gitlab.isc.org/isc-projects/bind9
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87480bb860
error if the seconds are out of range), and cast isc_time_nanoseconds() to shut up the IRIX compiler.
61 lines
1.8 KiB
C
61 lines
1.8 KiB
C
/*
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* Copyright (C) 1998, 1999, 2000 Internet Software Consortium.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
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* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
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* CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
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* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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* SOFTWARE.
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*/
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#include <config.h>
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#include <errno.h>
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#include <isc/condition.h>
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#include <isc/string.h>
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#include <isc/time.h>
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#include <isc/util.h>
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isc_result_t
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isc_condition_waituntil(isc_condition_t *c, isc_mutex_t *m, isc_time_t *t) {
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int presult;
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isc_result_t result;
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struct timespec ts;
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REQUIRE(c != NULL && m != NULL && t != NULL);
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/*
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* POSIX defines a timepsec's tv_sec as time_t.
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*/
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result = isc_time_secondsastimet(t, &ts.tv_sec);
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if (result != ISC_R_SUCCESS)
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return (result);
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/*
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* POSIX defines a timespec's tv_nsec as long. isc_time_nanoseconds
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* ensures its return value is < 1 billion, which will fit in a long.
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*/
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ts.tv_nsec = (long)isc_time_nanoseconds(t);
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do {
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presult = pthread_cond_timedwait(c, m, &ts);
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if (presult == 0)
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return (ISC_R_SUCCESS);
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if (presult == ETIMEDOUT)
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return (ISC_R_TIMEDOUT);
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} while (presult == EINTR);
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UNEXPECTED_ERROR(__FILE__, __LINE__,
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"pthread_cond_timedwait() returned %s",
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strerror(presult));
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return (ISC_R_UNEXPECTED);
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}
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