[RTEMS Project] #3640: Add support for ucontext.h methods

[RTEMS trac]

#3640: Add support for ucontext.h methods
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 Reporter:  Joel Sherrill     |       Owner:  Needs Funding
     Type:  enhancement       |      Status:  assigned
 Priority:  normal            |   Milestone:  Indefinite
Component:  posix             |     Version:
 Severity:  normal            |  Resolution:
 Keywords:  POSIX-Compliance  |  Blocked By:
 Blocking:                    |
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Comment (by Sebastian Huber):

 I would not use the POSIX.1-2001 standard as the reference and instead use
 the latest glibc API.
 {{{
 void makecontext (ucontext_t *, void (*) (void), int, ...);
 }}}
 An additional feature of glibc is that it allows pointer arguments instead
 of a simple int on LP64 platforms.

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Ticket URL: <http://devel.rtems.org/ticket/3640#comment:1>
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