from small one page howto to huge articles all in one place
poll results
Last additions:
May 25th. 2007:
April, 26th. 2006:
| You are here: manpages
SYSCALL
Section: Linux Programmer's Manual (2)
Updated: 2007-07-26
Index
Return to Main Contents
NAME
syscall - indirect system call
SYNOPSIS
#define _GNU_SOURCE /* or _BSD_SOURCE or _SVID_SOURCE */
#include <unistd.h>
#include <sys/syscall.h> /* For SYS_xxx definitions */
int syscall(int number, ...);
DESCRIPTION
syscall()
performs the system call whose assembly language
interface has the specified
number
with the specified arguments.
Symbolic constants for system calls can be found in the header file
<sys/syscall.h>.
RETURN VALUE
The return value is 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
errno.
NOTES
syscall()
first appeared in
4BSD.
EXAMPLE
#define _GNU_SOURCE
#include <unistd.h>
#include <sys/syscall.h>
#include <sys/types.h>
int
main(int argc, char *argv[])
{
pid_t tid;
tid = syscall(SYS_gettid);
}
SEE ALSO
_syscall(2),
intro(2),
syscalls(2)
COLOPHON
This page is part of release 3.27 of the Linux
man-pages
project.
A description of the project,
and information about reporting bugs,
can be found at
http://www.kernel.org/doc/man-pages/.
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- RETURN VALUE
-
- NOTES
-
- EXAMPLE
-
- SEE ALSO
-
- COLOPHON
-
Please read "Why adblockers are badwww.cars2fast4u.de
|
Other free services .
.
| 
|
|
- Running on 
-
:
: 
