glibc/sysdeps/unix/sysv/linux/sysdep-vdso.h
Paul Eggert 2b778ceb40 Update copyright dates with scripts/update-copyrights
I used these shell commands:

../glibc/scripts/update-copyrights $PWD/../gnulib/build-aux/update-copyright
(cd ../glibc && git commit -am"[this commit message]")

and then ignored the output, which consisted lines saying "FOO: warning:
copyright statement not found" for each of 6694 files FOO.
I then removed trailing white space from benchtests/bench-pthread-locks.c
and iconvdata/tst-iconv-big5-hkscs-to-2ucs4.c, to work around this
diagnostic from Savannah:
remote: *** pre-commit check failed ...
remote: *** error: lines with trailing whitespace found
remote: error: hook declined to update refs/heads/master
2021-01-02 12:17:34 -08:00

57 lines
2.0 KiB
C

/* vDSO common definition for Linux.
Copyright (C) 2015-2021 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
<https://www.gnu.org/licenses/>. */
#ifndef SYSDEP_VDSO_LINUX_H
# define SYSDEP_VDSO_LINUX_H
#include <ldsodefs.h>
#ifndef INTERNAL_VSYSCALL_CALL
# define INTERNAL_VSYSCALL_CALL(funcptr, nr, args...) \
funcptr (args)
#endif
#define INLINE_VSYSCALL(name, nr, args...) \
({ \
__label__ out; \
__label__ iserr; \
long int sc_ret; \
\
__typeof (GLRO(dl_vdso_##name)) vdsop = GLRO(dl_vdso_##name); \
if (vdsop != NULL) \
{ \
sc_ret = INTERNAL_VSYSCALL_CALL (vdsop, nr, ##args); \
if (!INTERNAL_SYSCALL_ERROR_P (sc_ret)) \
goto out; \
if (INTERNAL_SYSCALL_ERRNO (sc_ret) != ENOSYS) \
goto iserr; \
} \
\
sc_ret = INTERNAL_SYSCALL_CALL (name, ##args); \
if (INTERNAL_SYSCALL_ERROR_P (sc_ret)) \
{ \
iserr: \
__set_errno (INTERNAL_SYSCALL_ERRNO (sc_ret)); \
sc_ret = -1L; \
} \
out: \
sc_ret; \
})
#endif /* SYSDEP_VDSO_LINUX_H */