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signal: Add signum-{generic,arch}.h

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It refactor how signals are defined by each architecture.  Instead of
include a generic header (bits/signum-generic.h) and undef non-default
values in an arch specific header (bits/signum.h) the new scheme uses a
common definition (bits/signum-generic.h) and each architectures add
its specific definitions on a new header (bits/signum-arch.h).

For Linux it requires copy some system default definitions to alpha,
hppa, and sparc.  They are historical values and newer ports uses
the generic Linux signum-arch.h.

For Hurd the BSD signum is removed and moved to a new header (it is
used currently only on Hurd).

Checked on a build against all affected ABIs.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Tested-by: Carlos O'Donell <carlos@redhat.com>
This commit is contained in:
Adhemerval Zanella
2020-04-22 11:02:11 -03:00
parent 6caddd34bd
commit e4e11b1dba
18 changed files with 461 additions and 374 deletions
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2
sysdeps/unix/sysv/linux/ia64/vfork.S
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@ -18,7 +18,7 @@
#include <sysdep.h>
#define _SIGNAL_H
#include <bits/signum.h>
#include <bits/signum-arch.h>
#include <tcb-offsets.h>
/* The following are defined in linux/sched.h, which unfortunately */