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62 lines
2.0 KiB
C
62 lines
2.0 KiB
C
/* ABI compatibility redirects for clock_* symbols in librt.
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Copyright (C) 2012-2017 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 <shlib-compat.h>
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/* The clock_* symbols were originally defined in librt and so
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are part of its ABI. As of 2.17, they have moved to libc.
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So we supply definitions for librt that just redirect to
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their libc counterparts. */
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#if SHLIB_COMPAT (librt, GLIBC_2_2, GLIBC_2_17)
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#include <time.h>
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#if HAVE_IFUNC
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# undef INIT_ARCH
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# define INIT_ARCH()
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# define COMPAT_REDIRECT(name, proto, arglist) libc_ifunc (name, &__##name)
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#else
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# define COMPAT_REDIRECT(name, proto, arglist) \
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int \
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name proto \
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{ \
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return __##name arglist; \
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}
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#endif
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COMPAT_REDIRECT (clock_getres,
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(clockid_t clock_id, struct timespec *res),
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(clock_id, res))
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COMPAT_REDIRECT (clock_gettime,
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(clockid_t clock_id, struct timespec *tp),
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(clock_id, tp))
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COMPAT_REDIRECT (clock_settime,
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(clockid_t clock_id, const struct timespec *tp),
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(clock_id, tp))
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COMPAT_REDIRECT (clock_getcpuclockid,
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(pid_t pid, clockid_t *clock_id),
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(pid, clock_id))
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COMPAT_REDIRECT (clock_nanosleep,
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(clockid_t clock_id, int flags,
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const struct timespec *req,
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struct timespec *rem),
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(clock_id, flags, req, rem))
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#endif
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