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Diffstat (limited to 'man2/socketcall.2')
-rw-r--r-- | man2/socketcall.2 | 185 |
1 files changed, 0 insertions, 185 deletions
diff --git a/man2/socketcall.2 b/man2/socketcall.2 deleted file mode 100644 index d536966..0000000 --- a/man2/socketcall.2 +++ /dev/null @@ -1,185 +0,0 @@ -'\" t -.\" Copyright (c) 1995 Michael Chastain (mec@shell.portal.com), 15 April 1995. -.\" -.\" SPDX-License-Identifier: GPL-2.0-or-later -.\" -.\" Modified Tue Oct 22 22:11:53 1996 by Eric S. Raymond <esr@thyrsus.com> -.TH socketcall 2 2023-10-31 "Linux man-pages 6.7" -.SH NAME -socketcall \- socket system calls -.SH LIBRARY -Standard C library -.RI ( libc ", " \-lc ) -.SH SYNOPSIS -.nf -.BR "#include <linux/net.h>" " /* Definition of " SYS_* " constants */" -.BR "#include <sys/syscall.h>" " /* Definition of " SYS_socketcall " */" -.B #include <unistd.h> -.P -.BI "int syscall(SYS_socketcall, int " call ", unsigned long *" args ); -.fi -.P -.IR Note : -glibc provides no wrapper for -.BR socketcall (), -necessitating the use of -.BR syscall (2). -.SH DESCRIPTION -.BR socketcall () -is a common kernel entry point for the socket system calls. -.I call -determines which socket function to invoke. -.I args -points to a block containing the actual arguments, -which are passed through to the appropriate call. -.P -User programs should call the appropriate functions by their usual names. -Only standard library implementors and kernel hackers need to know about -.BR socketcall (). -.P -.TS -tab(:); -l l. -\fIcall\fR:Man page -T{ -.B SYS_SOCKET -T}:T{ -.BR socket (2) -T} -T{ -.B SYS_BIND -T}:T{ -.BR bind (2) -T} -T{ -.B SYS_CONNECT -T}:T{ -.BR connect (2) -T} -T{ -.B SYS_LISTEN -T}:T{ -.BR listen (2) -T} -T{ -.B SYS_ACCEPT -T}:T{ -.BR accept (2) -T} -T{ -.B SYS_GETSOCKNAME -T}:T{ -.BR getsockname (2) -T} -T{ -.B SYS_GETPEERNAME -T}:T{ -.BR getpeername (2) -T} -T{ -.B SYS_SOCKETPAIR -T}:T{ -.BR socketpair (2) -T} -T{ -.B SYS_SEND -T}:T{ -.BR send (2) -T} -T{ -.B SYS_RECV -T}:T{ -.BR recv (2) -T} -T{ -.B SYS_SENDTO -T}:T{ -.BR sendto (2) -T} -T{ -.B SYS_RECVFROM -T}:T{ -.BR recvfrom (2) -T} -T{ -.B SYS_SHUTDOWN -T}:T{ -.BR shutdown (2) -T} -T{ -.B SYS_SETSOCKOPT -T}:T{ -.BR setsockopt (2) -T} -T{ -.B SYS_GETSOCKOPT -T}:T{ -.BR getsockopt (2) -T} -T{ -.B SYS_SENDMSG -T}:T{ -.BR sendmsg (2) -T} -T{ -.B SYS_RECVMSG -T}:T{ -.BR recvmsg (2) -T} -T{ -.B SYS_ACCEPT4 -T}:T{ -.BR accept4 (2) -T} -T{ -.B SYS_RECVMMSG -T}:T{ -.BR recvmmsg (2) -T} -T{ -.B SYS_SENDMMSG -T}:T{ -.BR sendmmsg (2) -T} -.TE -.SH VERSIONS -On some architectures\[em]for example, x86-64 and ARM\[em]there is no -.BR socketcall () -system call; instead -.BR socket (2), -.BR accept (2), -.BR bind (2), -and so on really are implemented as separate system calls. -.SH STANDARDS -Linux. -.P -On x86-32, -.BR socketcall () -was historically the only entry point for the sockets API. -However, starting in Linux 4.3, -.\" commit 9dea5dc921b5f4045a18c63eb92e84dc274d17eb -direct system calls are provided on x86-32 for the sockets API. -This facilitates the creation of -.BR seccomp (2) -filters that filter sockets system calls -(for new user-space binaries that are compiled -to use the new entry points) -and also provides a (very) small performance improvement. -.SH SEE ALSO -.BR accept (2), -.BR bind (2), -.BR connect (2), -.BR getpeername (2), -.BR getsockname (2), -.BR getsockopt (2), -.BR listen (2), -.BR recv (2), -.BR recvfrom (2), -.BR recvmsg (2), -.BR send (2), -.BR sendmsg (2), -.BR sendto (2), -.BR setsockopt (2), -.BR shutdown (2), -.BR socket (2), -.BR socketpair (2) |