Rechercher une page de manuel
syscall
Langue: en
Version: 2007-07-26 (openSuse - 09/10/07)
Section: 2 (Appels système)
NAME
syscall - indirect system callSYNOPSIS
#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
syscalls(2)Contenus ©2006-2024 Benjamin Poulain
Design ©2006-2024 Maxime Vantorre