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killpg.2freebsd
Langue: en
Version: 265856 (debian - 07/07/09)
Section: 2 (Appels système)
BSD mandoc
NAME
killpg - send signal to a process groupLIBRARY
Lb libcSYNOPSIS
In sys/types.h In signal.h Ft int Fn killpg pid_t pgrp int sigDESCRIPTION
The Fn killpg function sends the signal Fa sig to the process group Fa pgrp . See sigaction(2) for a list of signals. If Fa pgrp is 0, Fn killpg sends the signal to the sending process's process group.The sending process and members of the process group must have the same effective user ID, or the sender must be the super-user. As a single special case the continue signal SIGCONT may be sent to any process with the same session ID as the caller.
RETURN VALUES
Rv -std killpgERRORS
The Fn killpg function will fail and no signal will be sent if:- Bq Er EINVAL
- The Fa sig argument is not a valid signal number.
- Bq Er ESRCH
- No process can be found in the process group specified by Fa pgrp .
- Bq Er ESRCH
- The process group was given as 0 but the sending process does not have a process group.
- Bq Er EPERM
- The sending process is not the super-user and one or more of the target processes has an effective user ID different from that of the sending process.
SEE ALSO
getpgrp(2), kill(2), sigaction(2)HISTORY
The Fn killpg function appeared in BSD 4.0Contenus ©2006-2024 Benjamin Poulain
Design ©2006-2024 Maxime Vantorre