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Man Pages


Manual Reference Pages  -  TCSETPGRP (3)

NAME

tcsetpgrp - set foreground process group ID

CONTENTS

Library
Synopsis
Description
Return Values
Errors
See Also
Standards

LIBRARY


.Lb libc

SYNOPSIS


.In sys/types.h
.In unistd.h int tcsetpgrp int fd pid_t pgrp_id

DESCRIPTION

If the process has a controlling terminal, the tcsetpgrp function sets the foreground process group ID associated with the terminal device to pgrp_id. The terminal device associated with fd must be the controlling terminal of the calling process and the controlling terminal must be currently associated with the session of the calling process. The value of pgrp_id must be the same as the process group ID of a process in the same session as the calling process.

RETURN VALUES


.Rv -std tcsetpgrp

ERRORS

The tcsetpgrp function will fail if:
[EBADF]
  The fd argument is not a valid file descriptor.
[EINVAL]
  An invalid value of pgrp_id was specified.
[ENOTTY]
  The calling process does not have a controlling terminal, or the file represented by fd is not the controlling terminal, or the controlling terminal is no longer associated with the session of the calling process.
[EPERM]
  The pgrp_id argument does not match the process group ID of a process in the same session as the calling process.

SEE ALSO

setpgid(2), setsid(2), tcgetpgrp(3)

STANDARDS

The tcsetpgrp function is expected to be compliant with the -p1003.1-88 specification.
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