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getsid.2freebsd
Langue: en
Version: 266169 (debian - 07/07/09)
Section: 2 (Appels système)
BSD mandoc
NAME
getsid - get process sessionLIBRARY
Lb libcSYNOPSIS
In unistd.h Ft pid_t Fn getsid pid_t pidDESCRIPTION
The session ID of the process identified by Fa pid is returned by Fn getsid . If Fa pid is zero, Fn getsid returns the session ID of the current process.RETURN VALUES
Upon successful completion, the Fn getsid system call returns the session ID of the specified process; otherwise, it returns a value of -1 and sets errno to indicate an error.ERRORS
The Fn getsid system call will succeed unless:- Bq Er ESRCH
- if there is no process with a process ID equal to Fa pid .
Note that an implementation may restrict this system call to processes within the same session ID as the calling process.
SEE ALSO
getpgid(2), getpgrp(2), setpgid(2), setsid(2), termios(4)HISTORY
The Fn getsid system call appeared in Fx 3.0 . The Fn getsid system call is derived from its usage in AT&T System V .Contenus ©2006-2024 Benjamin Poulain
Design ©2006-2024 Maxime Vantorre