[Bug 1630] New: sigtimedwait not following POSIX spec

[bugzilla-daemon at rtems.org]

https://www.rtems.org/bugzilla/show_bug.cgi?id=1630

           Summary: sigtimedwait not following POSIX spec
           Product: RTEMS
           Version: HEAD
          Platform: All
        OS/Version: RTEMS
            Status: NEW
          Severity: normal
          Priority: P3
         Component: cpukit
        AssignedTo: joel.sherrill at oarcorp.com
        ReportedBy: vinutheraj at gmail.com
                CC: vinutheraj at gmail.com


Created an attachment (id=913)
 --> (https://www.rtems.org/bugzilla/attachment.cgi?id=913)
patch for sigtimedwait.c

sigtimedwait function implementation is not following the POSIX spec -
http://www.opengroup.org/onlinepubs/009695399/functions/sigwaitinfo.html.

Currently, sigtimedwait may be interrupted by a signal which is caught. The
spec says that sigtimedwait will return the signal number, if it is part of the
set given to it to check for signals. If it is not part of the set, it will
return -1 and set errno to EINTR.

This is not what the current implementation does. Currently, if it is
interrupted by any signal, that signal number is returned.

A patch is attached which remedies the file.

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