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40 lines
1.2 KiB
C
40 lines
1.2 KiB
C
/* Copyright (C) 2000, 2001 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, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <errno.h>
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#include <time.h>
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#include <unistd.h>
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int
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clock_getcpuclockid (pid_t pid, clockid_t *clock_id)
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{
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/* We don't allow any process ID but our own. */
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if (pid != 0 && pid != getpid ())
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return EPERM;
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#ifdef CLOCK_PROCESS_CPUTIME_ID
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/* Store the number. */
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*clock_id = CLOCK_PROCESS_CPUTIME_ID;
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return 0;
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#else
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/* We don't have a timer for that. */
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return ENOENT;
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#endif
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}
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