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45 lines
1.6 KiB
C
45 lines
1.6 KiB
C
/* Copyright (C) 1992-2019 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <signal.h>
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#include <time.h>
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#include <unistd.h>
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#include <mach.h>
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/* Make the process sleep for SECONDS seconds, or until a signal arrives
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and is not ignored. The function returns the number of seconds less
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than SECONDS which it actually slept (zero if it slept the full time).
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There is no return value to indicate error, but if `sleep' returns
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SECONDS, it probably didn't work. */
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unsigned int
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__sleep (unsigned int seconds)
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{
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time_t before, after;
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mach_port_t recv;
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recv = __mach_reply_port ();
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before = time ((time_t *) NULL);
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(void) __mach_msg (NULL, MACH_RCV_MSG|MACH_RCV_TIMEOUT|MACH_RCV_INTERRUPT,
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0, 0, recv, seconds * 1000, MACH_PORT_NULL);
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after = time ((time_t *) NULL);
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__mach_port_destroy (__mach_task_self (), recv);
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return seconds - (after - before);
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}
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weak_alias (__sleep, sleep)
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