docs/175239: sem_wait can be interrupted

[Schaich Alonso]

>Number:         175239
>Category:       docs
>Synopsis:       sem_wait can be interrupted
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-doc
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          doc-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sat Jan 12 19:30:00 UTC 2013
>Closed-Date:
>Last-Modified:
>Originator:     Schaich Alonso
>Release:        HEAD, STABLE, RELEASE-9.1
>Organization:
sodge IT
>Environment:
FreeBSD moonshine.localnet.edu 10.0-CURRENT FreeBSD 10.0-CURRENT #0 r245291: Fri Jan 11 12:00:24 CET 2013     root at moonshine.localnet.edu:/usr/obj/usr/src/sys/GENERIC  amd64
>Description:
SEM_WAIT(3) (and most probably also SEM_POST(3)) from the Standard C Library are aborted over here on arrival of a UNIX Signal, setting errno to 4 (EINTR).

This behavior should be mentioned in the corresponding manual pages.

>How-To-Repeat:

>Fix:


>Release-Note:
>Audit-Trail:
>Unformatted: