HP-UX Reference (11i v1 05/09) - 2 System Calls (vol 5)

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signal(2) signal(2)
Issue 4
The following changes are incorporated for alignment with the ISO C standard:
- The function is no longer marked as an extension.
- The argument int is added to the definition of
func() in the SYNOPSIS section.
- In Issue 3, this interface cross-referred to
sigaction() . This issue provides a complete
description of the function as defined in ISO C standard.
Another change is incorporated as follows:
- The APPLICATION USAGE section is added.
Issue 4, Version 2
The following changes are incorporated for X/OPEN UNIX conformance:
- The
sighold(), sigignore() , sigpause()
, sigrelse() , and sigset() func-
tions are added to the SYNOPSIS.
- The DESCRIPTION is updated to describe semantics of the above interfaces.
- Additional text is added to the RETURN VALUE section to describe possible returns from
the
sigset() function specifically, and all of the above functions in general.
- The ERRORS section is restructured to describe possible error returns from each of the
above functions individually.
- The APPLICATION USAGE section is updated to describe certain programming considera-
tions associated with the X/OPEN UNIX functions.
HP-UX 11i Version 1: September 2005 − 3 − Hewlett-Packard Company Section 2−−371