GETSID

Section: Linux Programmer's Manual (2)
Updated: 11 April 1996
 

NAME

getsid - get session ID  

SYNOPSIS

#include <unistd.h>

pid_t getsid(pid_t pid);  

DESCRIPTION

getsid(0) returns the session ID of the calling process. getsid(p) returns the session ID of the process with process ID p.  

ERRORS

On error, -1 will be returned. The only error which can happen is ESRCH, when no process with process ID p was found.  

CONFORMING TO

SVr4, which documents an additional EPERM error condition.  

SEE ALSO

setsid(2)