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06c63aec95
The splice() syscall has been supported in glibc since version 2.5 issued in 2006 and is present on supported systems so there's no need for having our own arch-specific syscall definitions anymore.
92 lines
2.5 KiB
C
92 lines
2.5 KiB
C
/*
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* include/common/syscall.h
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* Redefinition of some missing OS-specific system calls.
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*
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* Copyright 2000-2012 Willy Tarreau <w@1wt.eu>
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*
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* This 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, version 2.1
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* exclusively.
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*
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* This 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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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifndef _COMMON_SYSCALL_H
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#define _COMMON_SYSCALL_H
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#ifdef __linux__
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#include <errno.h>
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#include <unistd.h>
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#include <sys/syscall.h>
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/* On Linux, _syscall macros were removed after 2.6.18, but we still prefer
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* them because syscall() is buggy on old libcs. If _syscall is not defined,
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* we're on a recent kernel with a recent libc and we should be safe, so we
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* emulate is using syscall().
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*/
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#ifndef _syscall1
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#define _syscall1(tr, nr, t1, n1) \
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tr nr(t1 n1) { \
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return syscall(__NR_##nr, n1); \
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}
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#endif
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#ifndef _syscall2
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#define _syscall2(tr, nr, t1, n1, t2, n2) \
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tr nr(t1 n1, t2 n2) { \
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return syscall(__NR_##nr, n1, n2); \
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}
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#endif
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#ifndef _syscall3
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#define _syscall3(tr, nr, t1, n1, t2, n2, t3, n3) \
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tr nr(t1 n1, t2 n2, t3 n3) { \
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return syscall(__NR_##nr, n1, n2, n3); \
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}
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#endif
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#ifndef _syscall4
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#define _syscall4(tr, nr, t1, n1, t2, n2, t3, n3, t4, n4) \
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tr nr(t1 n1, t2 n2, t3 n3, t4 n4) { \
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return syscall(__NR_##nr, n1, n2, n3, n4); \
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}
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#endif
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#ifndef _syscall5
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#define _syscall5(tr, nr, t1, n1, t2, n2, t3, n3, t4, n4, t5, n5) \
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tr nr(t1 n1, t2 n2, t3 n3, t4 n4, t5 n5) { \
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return syscall(__NR_##nr, n1, n2, n3, n4, n5); \
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}
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#endif
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#ifndef _syscall6
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#define _syscall6(tr, nr, t1, n1, t2, n2, t3, n3, t4, n4, t5, n5, t6, n6) \
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tr nr(t1 n1, t2 n2, t3 n3, t4 n4, t5 n5, t6 n6) { \
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return syscall(__NR_##nr, n1, n2, n3, n4, n5, n6); \
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}
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#endif
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/* Define some syscall numbers that are sometimes needed */
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#endif /* __linux__ */
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#endif /* _COMMON_SYSCALL_H */
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/*
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* Local variables:
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* c-indent-level: 8
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* c-basic-offset: 8
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* End:
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*/
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