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Diffstat (limited to 'lib/libc/sys/syscall.2')
-rw-r--r-- | lib/libc/sys/syscall.2 | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/lib/libc/sys/syscall.2 b/lib/libc/sys/syscall.2 deleted file mode 100644 index f59f2d1..0000000 --- a/lib/libc/sys/syscall.2 +++ /dev/null @@ -1,76 +0,0 @@ -.\" Copyright (c) 1980, 1991, 1993 -.\" The Regents of the University of California. All rights reserved. -.\" -.\" Redistribution and use in source and binary forms, with or without -.\" modification, are permitted provided that the following conditions -.\" are met: -.\" 1. Redistributions of source code must retain the above copyright -.\" notice, this list of conditions and the following disclaimer. -.\" 2. Redistributions in binary form must reproduce the above copyright -.\" notice, this list of conditions and the following disclaimer in the -.\" documentation and/or other materials provided with the distribution. -.\" 3. All advertising materials mentioning features or use of this software -.\" must display the following acknowledgement: -.\" This product includes software developed by the University of -.\" California, Berkeley and its contributors. -.\" 4. Neither the name of the University nor the names of its contributors -.\" may be used to endorse or promote products derived from this software -.\" without specific prior written permission. -.\" -.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND -.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE -.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL -.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS -.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) -.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY -.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF -.\" SUCH DAMAGE. -.\" -.\" @(#)syscall.2 8.1 (Berkeley) 6/16/93 -.\" -.Dd June 16, 1993 -.Dt SYSCALL 2 -.Os BSD 4 -.Sh NAME -.Nm syscall , -.Nm __syscall -.Nd indirect system call -.Sh SYNOPSIS -.Fd #include <sys/syscall.h> -.Fd #include <unistd.h> -.Ft int -.Fn syscall "int number" ... -.Ft off_t -.Fn __syscall "quad_t number" ... -.Sh DESCRIPTION -.Fn Syscall -performs the system call whose assembly language -interface has the specified -.Fa number -with the specified arguments. -Symbolic constants for system calls can be found in the header file -.Ao Pa sys/syscall.h Ac . -The -.Fn __syscall -form should be used when one or more of the parameters is a -64-bit argument to ensure that argument alignment is correct. -This system call is useful for testing new system calls that -do not have entries in the C library. -.Sh RETURN VALUES -The return values are defined by the system call being invoked. -In general, a 0 return value indicates success. -A -1 return value indicates an error, -and an error code is stored in -.Va errno . -.Sh BUGS -There is no way to simulate system calls that have multiple return values -such as -.Xr pipe 2 . -.Sh HISTORY -The -.Fn syscall -function call appeared in -.Bx 4.0 . |