Open System Services Library Calls Reference Manual (G06.29+, H06.08+, J06.03+)

tcsetpgrp(3) OSS Library Calls Reference Manual
[EPERM] The pgrp_id parameter is valid, but it matches a process ID or process group ID
of a process in another session.
RELATED INFORMATION
Functions: tcgetpgrp(3).
STANDARDS CONFORMANCE
The POSIX standards leave some features to the implementing vendor to define. The following
features are affected in the HP implementation:
• The tcsetpgrp( ) function can return the errno value [EPERM].
The following are HP extensions to the XPG4 Version 2 specification:
The tcsetpgrp( ) function can return the errno values [EISGUARDIAN] and [ENETDOWN].
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