mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-27 13:10:29 +00:00
66 lines
2.3 KiB
C
66 lines
2.3 KiB
C
/* ABI compatibility redirects for clock_* symbols in librt.
|
|
Copyright (C) 2012 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include <shlib-compat.h>
|
|
|
|
/* The clock_* symbols were originally defined in librt and so
|
|
are part of its ABI. As of 2.17, they have moved to libc.
|
|
So we supply definitions for librt that just redirect to
|
|
their libc counterparts. */
|
|
|
|
#if SHLIB_COMPAT (librt, GLIBC_2_2, GLIBC_2_17)
|
|
|
|
#include <time.h>
|
|
|
|
#ifdef HAVE_IFUNC
|
|
# define COMPAT_REDIRECT(name, proto, arglist) \
|
|
__typeof (name) *name##_ifunc (void) asm (#name); \
|
|
__typeof (name) *name##_ifunc (void) \
|
|
{ \
|
|
return &__##name; \
|
|
} \
|
|
asm (".type " #name ", %gnu_indirect_function");
|
|
#else
|
|
# define COMPAT_REDIRECT(name, proto, arglist) \
|
|
int \
|
|
name proto \
|
|
{ \
|
|
return __##name arglist; \
|
|
}
|
|
#endif
|
|
|
|
COMPAT_REDIRECT (clock_getres,
|
|
(clockid_t clock_id, struct timespec *res),
|
|
(clock_id, res))
|
|
COMPAT_REDIRECT (clock_gettime,
|
|
(clockid_t clock_id, struct timespec *tp),
|
|
(clock_id, tp))
|
|
COMPAT_REDIRECT (clock_settime,
|
|
(clockid_t clock_id, const struct timespec *tp),
|
|
(clock_id, tp))
|
|
COMPAT_REDIRECT (clock_getcpuclockid,
|
|
(pid_t pid, clockid_t *clock_id),
|
|
(pid, clock_id))
|
|
COMPAT_REDIRECT (clock_nanosleep,
|
|
(clockid_t clock_id, int flags,
|
|
const struct timespec *req,
|
|
struct timespec *rem),
|
|
(clock_id, flags, req, rem))
|
|
|
|
#endif
|