Open System Services System Calls Reference Manual (G06.25+, H06.03+)

System Functions (s and S) semop(2)
[EINVAL] One of the following conditions is true:
• The semid parameter is not a valid semaphore set ID.
• The number of semaphores for which the SEM_UNDO flag is specified
exceeds the system-defined limit.
[ENOSPC] One of the following conditions is true:
• The system-defined limit on the number of undo entries for an undo
structure would be exceeded.
• The system-defined limit on the number of SEM_UNDO structures for a
single processor would be exceeded.
• The number of semadj values for the processor would exceed the system
limit.
[ENOTOSS] The calling process is not an OSS process. The requested operation is not sup-
ported from the Guardian environment.
[ERANGE] On of the following conditions exists:
• An operation caused a semval value in a sem structure to overflow the
system-defined limit.
• An operation caused an adjust-on-exit (semadj) value to exceed the
system-defined limit.
RELATED INFORMATION
Functions: exec(2), _exit(2), fork(2), semctl(2), semget(2), sigaction(2), tdm_execve(2),
tdm_execvep(2), tdm_fork(2), tdm_spawn(2), tdm_spawnp(2).
STANDARDS CONFORMANCE
The following are HP extensions to the XPG4 Version 2 specification:
• The errno values [EFAULT] and [ENOTOSS] can be returned.
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