git: <signal.h>/<ucontext.h>: Split those two headers better.

[Sascha Wildner]

commit 38c3a22e15fcec0d0f58d0632d67112826ed3615
Author: Sascha Wildner <saw at online.de>
Date:   Sun Aug 15 12:32:08 2021 +0200

    <signal.h>/<ucontext.h>: Split those two headers better.
    
    <signal.h> needs only ucontext_t and stack_t from <ucontext.h>. Split
    those out to <sys/_ucontext.h> and stop including the full <ucontext.h>
    from <signal.h> and vice versa, for userland.
    
    In <ucontext.h>, continue defining siginfo_t for non-POSIX because
    third party code expects us to.
    
    This has been tested with a full dports bulk build.

Summary of changes:
 lib/libc/x86_64/sys/asmcontext.c                   |  1 +
 sys/cpu/x86_64/include/sigframe.h                  |  2 +-
 sys/cpu/x86_64/include/ucontext.h                  |  2 +
 .../nat/ipfw3_nat.h => sys/sys/_ucontext.h         | 57 +++++++++++++++++++---
 sys/sys/signal.h                                   | 18 ++-----
 sys/sys/ucontext.h                                 | 27 ++--------
 6 files changed, 61 insertions(+), 46 deletions(-)
 copy lib/libipfw3/nat/ipfw3_nat.h => sys/sys/_ucontext.h (57%)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/38c3a22e15fcec0d0f58d0632d67112826ed3615


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