| Commit message (Collapse) | Author | Age | Files | Lines |
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The various sys/ucontext.h headers include <signal.h> and all the
headers split out of <bits/sigstack.h>. (Except that the powerpc
version does not include <signal.h>.)
None of the standard versions defining ucontext.h require or permit
such inclusions; rather, they all say that the stack_t and sigset_t
types from signal.h are defined. This patch fixes the headers to
include just the bits/ headers for those types (and the existing
includes of bits/sigcontext.h). Since bits/types/sigset_t.h is now
being included instead of bits/types/__sigset_t.h, __sigset_t uses in
the headers are replaced by direct use of the public sigset_t type.
sysdeps/unix/sysv/linux/x86/bits/sigcontext.h was relying on the prior
inclusion of <signal.h> to define types such as __uint32_t, so gets a
bits/types.h include added to provide those types.
Although one could keep some or all of the includes under a __USE_MISC
conditional, that seems unnecessary to me, especially given the lack
of a <signal.h> include in the powerpc version meaning that portable
programs already cannot rely on such an include.
Tested for x86_64 and x86, and with build-many-glibcs.py. As with
other such fixes, more namespace issues remain so this does not permit
any XFAILs to be removed or bugs to be closed.
[BZ #21457]
* sysdeps/arm/sys/ucontext.h: Do not include <signal.h>,
<bits/sigstack.h>, <bits/types/struct_sigstack.h> or
<bits/ss_flags.h>. Include <bits/types/sigset_t.h> instead of
<bits/types/__sigset_t.h>.
(ucontext_t): Use sigset_t instead of __sigset_t.
* sysdeps/generic/sys/ucontext.h: Do not include <signal.h>,
<bits/sigstack.h>, <bits/types/struct_sigstack.h> or
<bits/ss_flags.h>. Include <bits/types/sigset_t.h> instead of
<bits/types/__sigset_t.h>.
(ucontext_t): Use sigset_t instead of __sigset_t.
* sysdeps/i386/sys/ucontext.h: Do not include <signal.h>,
<bits/sigstack.h>, <bits/types/struct_sigstack.h> or
<bits/ss_flags.h>. Include <bits/types/sigset_t.h> instead of
<bits/types/__sigset_t.h>.
(ucontext_t): Use sigset_t instead of __sigset_t.
* sysdeps/m68k/sys/ucontext.h: Do not include <signal.h>,
<bits/sigstack.h>, <bits/types/struct_sigstack.h> or
<bits/ss_flags.h>. Include <bits/types/sigset_t.h> instead of
<bits/types/__sigset_t.h>.
(ucontext_t): Use sigset_t instead of __sigset_t.
* sysdeps/mips/sys/ucontext.h: Do not include <signal.h>,
<bits/sigstack.h>, <bits/types/struct_sigstack.h> or
<bits/ss_flags.h>. Include <bits/types/sigset_t.h> instead of
<bits/types/__sigset_t.h>.
(ucontext_t): Use sigset_t instead of __sigset_t.
* sysdeps/unix/sysv/linux/aarch64/sys/ucontext.h: Do not include
<signal.h>, <bits/sigstack.h>, <bits/types/struct_sigstack.h> or
<bits/ss_flags.h>. Include <bits/types/sigset_t.h> instead of
<bits/types/__sigset_t.h>.
(ucontext_t): Use sigset_t instead of __sigset_t.
* sysdeps/unix/sysv/linux/alpha/sys/ucontext.h: Do not include
<signal.h>, <bits/sigstack.h>, <bits/types/struct_sigstack.h> or
<bits/ss_flags.h>. Include <bits/types/sigset_t.h> instead of
<bits/types/__sigset_t.h>.
(ucontext_t): Use sigset_t instead of __sigset_t.
* sysdeps/unix/sysv/linux/arm/sys/ucontext.h: Do not include
<signal.h>, <bits/sigstack.h>, <bits/types/struct_sigstack.h> or
<bits/ss_flags.h>. Include <bits/types/sigset_t.h> instead of
<bits/types/__sigset_t.h>.
(ucontext_t): Use sigset_t instead of __sigset_t.
* sysdeps/unix/sysv/linux/hppa/sys/ucontext.h: Do not include
<signal.h>, <bits/sigstack.h>, <bits/types/struct_sigstack.h> or
<bits/ss_flags.h>. Include <bits/types/sigset_t.h> instead of
<bits/types/__sigset_t.h>.
(ucontext_t): Use sigset_t instead of __sigset_t.
* sysdeps/unix/sysv/linux/ia64/sys/ucontext.h: Do not include
<signal.h>, <bits/sigstack.h>, <bits/types/struct_sigstack.h> or
<bits/ss_flags.h>. Include <bits/types/sigset_t.h>.
* sysdeps/unix/sysv/linux/m68k/sys/ucontext.h: Do not include
<signal.h>, <bits/sigstack.h>, <bits/types/struct_sigstack.h> or
<bits/ss_flags.h>. Include <bits/types/sigset_t.h> instead of
<bits/types/__sigset_t.h>.
(ucontext_t): Use sigset_t instead of __sigset_t.
* sysdeps/unix/sysv/linux/mips/sys/ucontext.h: Do not include
<signal.h>, <bits/sigstack.h>, <bits/types/struct_sigstack.h> or
<bits/ss_flags.h>. Include <bits/types/sigset_t.h> instead of
<bits/types/__sigset_t.h>.
(ucontext_t): Use sigset_t instead of __sigset_t.
* sysdeps/unix/sysv/linux/nios2/sys/ucontext.h: Do not include
<signal.h>, <bits/sigstack.h>, <bits/types/struct_sigstack.h> or
<bits/ss_flags.h>. Include <bits/types/sigset_t.h> instead of
<bits/types/__sigset_t.h>.
(ucontext_t): Use sigset_t instead of __sigset_t.
* sysdeps/unix/sysv/linux/powerpc/sys/ucontext.h: Do not include
<bits/sigstack.h>, <bits/types/struct_sigstack.h> or
<bits/ss_flags.h>.
* sysdeps/unix/sysv/linux/s390/sys/ucontext.h: Do not include
<signal.h>, <bits/sigstack.h>, <bits/types/struct_sigstack.h> or
<bits/ss_flags.h>. Include <bits/types/sigset_t.h> instead of
<bits/types/__sigset_t.h>.
(ucontext_t): Use sigset_t instead of __sigset_t.
* sysdeps/unix/sysv/linux/sh/sys/ucontext.h: Do not include
<signal.h>, <bits/sigstack.h>, <bits/types/struct_sigstack.h> or
<bits/ss_flags.h>. Include <bits/types/sigset_t.h> instead of
<bits/types/__sigset_t.h>.
(ucontext_t): Use sigset_t instead of __sigset_t.
* sysdeps/unix/sysv/linux/sparc/sys/ucontext.h: Do not include
<signal.h>, <bits/sigstack.h>, <bits/types/struct_sigstack.h> or
<bits/ss_flags.h>. Include <bits/types/sigset_t.h> instead of
<bits/types/__sigset_t.h>.
(ucontext_t): Use sigset_t instead of __sigset_t.
* sysdeps/unix/sysv/linux/tile/sys/ucontext.h: Do not include
<signal.h>, <bits/sigstack.h>, <bits/types/struct_sigstack.h> or
<bits/ss_flags.h>. Include <bits/types/sigset_t.h> instead of
<bits/types/__sigset_t.h>.
(ucontext_t): Use sigset_t instead of __sigset_t.
* sysdeps/unix/sysv/linux/x86/bits/sigcontext.h: Include
<bits/types.h>.
* sysdeps/unix/sysv/linux/x86/sys/ucontext.h: Do not include
<signal.h>, <bits/sigstack.h>, <bits/types/struct_sigstack.h> or
<bits/ss_flags.h>. Include <bits/types/sigset_t.h> instead of
<bits/types/__sigset_t.h>.
(ucontext_t): Use sigset_t instead of __sigset_t.
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bits/sigstack.h contains four things: the legacy struct sigstack type,
the preferred stack_t type, the SS_* enum values and macros for signal
stack sizes.
These vary in different ways between glibc configurations; in
particular, the stack sizes vary much more than any of the other
pieces. Furthermore, these pieces have different standard namespace
rules for when they should be visible (not currently visible in
conform/ results both because the relevant tests are XFAILed for
sys/ucontext.h namespace issues, and because some of the expectations
are incorrect in the same way as the headers, e.g. neither
expectations nor headers reflect that current POSIX no longer has
either the sigstack function or the sigstack structure).
To reduce duplication of identical definitions, and facilitate
namespace fixes without requiring the same feature test macro
conditions to be repeated in many versions of the same header, this
patch splits bits/sigstack.h up into four headers. It keeps the stack
size macros, while new bits/types/struct_sigstack.h,
bits/types/stack_t.h and bits/ss_flags.h are added for the other
pieces. bits/types/struct_sigstack.h is the same everywhere,
bits/types/stack_t.h has three variants different in the order of the
structure elements (generic = MIPS Linux, and other Linux), and
bits/ss_flags.h has generic and Linux variants.
This patch includes the new headers everywhere that included
<bits/sigstack.h>, so should cause no difference to what any public
header defines. Subsequent namespace fixes would then remove or
condition some of those includes.
There should be no conflicts with Zack's changes to signal.h types,
beyond the trivial conflict of both making additions to
signal/Makefile's headers list; the two patches affect disjoint sets
of types and other definitions.
Tested for x86_64 and x86, and with build-many-glibcs.py.
* bits/ss_flags.h: New file.
* bits/types/stack_t.h: Likewise.
* include/bits/types/struct_sigstack.h: Likewise.
* signal/bits/types/struct_sigstack.h: Likewise.
* sysdeps/unix/sysv/linux/bits/ss_flags.h: Likewise.
* sysdeps/unix/sysv/linux/bits/types/stack_t.h: Likewise.
* sysdeps/unix/sysv/linux/mips/bits/types/stack_t.h: Likewise.
* signal/Makefile (headers): Add bits/types/struct_sigstack.h,
bits/types/stack_t.h and bits/ss_flags.h.
* signal/signal.h [__USE_XOPEN_EXTENDED || __USE_XOPEN2K8]:
Include <bits/types/struct_sigstack.h>, <bits/types/stack_t.h> and
<bits/ss_flags.h>.
* bits/sigstack.h (struct sigstack): Remove.
(stack_t): Likewise.
(SS_ONSTACK): Likewise.
(SS_DISABLE): Likewise.
* sysdeps/unix/sysv/linux/aarch64/bits/sigstack.h
(struct sigstack): Likewise.
(stack_t): Likewise.
(SS_ONSTACK): Likewise.
(SS_DISABLE): Likewise.
* sysdeps/unix/sysv/linux/alpha/bits/sigstack.h (struct sigstack):
Likewise.
(stack_t): Likewise.
(SS_ONSTACK): Likewise.
(SS_DISABLE): Likewise.
* sysdeps/unix/sysv/linux/bits/sigstack.h (struct sigstack):
Likewise.
(stack_t): Likewise.
(SS_ONSTACK): Likewise.
(SS_DISABLE): Likewise.
* sysdeps/unix/sysv/linux/mips/bits/sigstack.h: Likewise.
* sysdeps/unix/sysv/linux/ia64/bits/sigstack.h (struct sigstack):
Likewise.
(stack_t): Likewise.
(SS_ONSTACK): Likewise.
(SS_DISABLE): Likewise.
* sysdeps/unix/sysv/linux/powerpc/bits/sigstack.h
(struct sigstack): Likewise.
(stack_t): Likewise.
(SS_ONSTACK): Likewise.
(SS_DISABLE): Likewise.
* sysdeps/unix/sysv/linux/sparc/bits/sigstack.h (struct sigstack):
Likewise.
(stack_t): Likewise.
(SS_ONSTACK): Likewise.
(SS_DISABLE): Likewise.
* sysdeps/arm/sys/ucontext.h: Include
<bits/types/struct_sigstack.h>, <bits/types/stack_t.h> and
<bits/ss_flags.h>.
* sysdeps/generic/sys/ucontext.h: Likewise.
* sysdeps/i386/sys/ucontext.h: Likewise.
* sysdeps/m68k/sys/ucontext.h: Likewise.
* sysdeps/mips/sys/ucontext.h: Likewise.
* sysdeps/unix/sysv/linux/aarch64/sys/ucontext.h: Likewise.
* sysdeps/unix/sysv/linux/alpha/sys/ucontext.h: Likewise.
* sysdeps/unix/sysv/linux/arm/sys/ucontext.h: Likewise.
* sysdeps/unix/sysv/linux/hppa/sys/ucontext.h: Likewise.
* sysdeps/unix/sysv/linux/ia64/bits/sigcontext.h: Likewise.
* sysdeps/unix/sysv/linux/ia64/sys/ucontext.h: Likewise.
* sysdeps/unix/sysv/linux/m68k/sys/ucontext.h: Likewise.
* sysdeps/unix/sysv/linux/mips/sys/ucontext.h: Likewise.
* sysdeps/unix/sysv/linux/nios2/sys/ucontext.h: Likewise.
* sysdeps/unix/sysv/linux/powerpc/sys/ucontext.h: Likewise.
* sysdeps/unix/sysv/linux/s390/sys/ucontext.h: Likewise.
* sysdeps/unix/sysv/linux/sh/sys/ucontext.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/sys/ucontext.h: Likewise.
* sysdeps/unix/sysv/linux/tile/sys/ucontext.h: Likewise.
* sysdeps/unix/sysv/linux/x86/sys/ucontext.h: Likewise.
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sys/ucontext.h unconditionally uses stack_t, and it does not make
sense to change that. But signal.h only declares stack_t under
__USE_XOPEN_EXTENDED || __USE_XOPEN2K8. The actual definition is
already in a bits header, bits/sigstack.h, but that header insists on
only being included by signal.h, so we have to change that as well as
all of the sys/ucontext.h variants. (Some but not all variants of
bits/sigcontext.h, which sys/ucontext.h may also need, had already
received this adjustment; for consistency, I made them all the same,
even if that's not strictly necessary in some configurations.)
bits/sigcontext.h and bits/sigstack.h also all need to receive
multiple inclusion guards.
* sysdeps/generic/sys/ucontext.h
* sysdeps/arm/sys/ucontext.h
* sysdeps/i386/sys/ucontext.h
* sysdeps/m68k/sys/ucontext.h
* sysdeps/mips/sys/ucontext.h
* sysdeps/unix/sysv/linux/aarch64/sys/ucontext.h
* sysdeps/unix/sysv/linux/alpha/sys/ucontext.h
* sysdeps/unix/sysv/linux/arm/sys/ucontext.h
* sysdeps/unix/sysv/linux/hppa/sys/ucontext.h
* sysdeps/unix/sysv/linux/ia64/sys/ucontext.h
* sysdeps/unix/sysv/linux/m68k/sys/ucontext.h
* sysdeps/unix/sysv/linux/mips/sys/ucontext.h
* sysdeps/unix/sysv/linux/nios2/sys/ucontext.h
* sysdeps/unix/sysv/linux/powerpc/sys/ucontext.h
* sysdeps/unix/sysv/linux/s390/sys/ucontext.h
* sysdeps/unix/sysv/linux/sh/sys/ucontext.h
* sysdeps/unix/sysv/linux/sparc/sys/ucontext.h
* sysdeps/unix/sysv/linux/tile/sys/ucontext.h
* sysdeps/unix/sysv/linux/x86/sys/ucontext.h:
Include both bits/sigcontext.h and bits/sigstack.h.
Fix grammar error in comment, if present.
* bits/sigstack.h
* sysdeps/unix/sysv/linux/aarch64/bits/sigstack.h
* sysdeps/unix/sysv/linux/alpha/bits/sigstack.h
* sysdeps/unix/sysv/linux/bits/sigstack.h
* sysdeps/unix/sysv/linux/ia64/bits/sigstack.h
* sysdeps/unix/sysv/linux/mips/bits/sigstack.h
* sysdeps/unix/sysv/linux/powerpc/bits/sigstack.h
* sysdeps/unix/sysv/linux/sparc/bits/sigstack.h
* bits/sigcontext.h
* sysdeps/mach/hurd/i386/bits/sigcontext.h
* sysdeps/unix/sysv/linux/bits/sigcontext.h
* sysdeps/unix/sysv/linux/ia64/bits/sigcontext.h
* sysdeps/unix/sysv/linux/sparc/bits/sigcontext.h:
Add multiple inclusion guard. Permit inclusion by sys/ucontext.h
as well as signal.h, if this was not already allowed. Request
definition of size_t if necessary. Minimize semantically-null
differences across files.
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2004-09-01 Andreas Schwab <schwab@suse.de>
* sysdeps/unix/sysv/linux/ia64/sys/ucontext.h [g++ >= 3.5]: Use
__builtin_offsetof.
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not sc_sigmask.
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2001-07-06 Paul Eggert <eggert@twinsun.com>
* manual/argp.texi: Remove ignored LGPL copyright notice; it's
not appropriate for documentation anyway.
* manual/libc-texinfo.sh: "Library General Public License" ->
"Lesser General Public License".
2001-07-06 Andreas Jaeger <aj@suse.de>
* All files under GPL/LGPL version 2: Place under LGPL version
2.1.
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2001-05-22 Andreas Jaeger <aj@suse.de>
* sysdeps/ieee754/ldbl-128/s_log1pl.c: New file, contributed by
Stephen L Moshier <moshier@mediaone.net>.
2001-05-22 Martin Schwidefsky <schwidefsky@de.ibm.com>
* sysdeps/s390/s390-32/backtrace.c: Make backtrace return the
return addresses instead of the stack pointers.
* sysdeps/s390/s390-64/backtrace.c: Likewise.
2001-05-21 Jakub Jelinek <jakub@redhat.com>
* sysdeps/unix/sysv/linux/ia64/sys/ucontext.h: Include
bits/sigcontext.h instead of bits/sigstack.h.
* sysdeps/unix/sysv/linux/ia64/bits/sigcontext.h: Add
multiple-inclusion guards.
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2001-03-16 David Mosberger <davidm@hpl.hp.com>
* sysdeps/unix/sysv/linux/ia64/bits/sigcontext.h (struct sigcontext):
Drop hack that was needed for 2.1.1 kernel headers.
* sysdeps/unix/sysv/linux/ia64/ucontext_i.h: New file.
* sysdeps/unix/sysv/linux/ia64/sys/ucontext.h: Rewrite to make it
overlay with kernel's "struct sigcontext".
* sysdeps/unix/sysv/linux/ia64/Makefile (sysdep_headers): Add
sys/rse.h for "misc" subdir.
(sysdep_routines): Add __start_context for "stdlib" subdir.
* sysdeps/unix/sysv/linux/ia64/sys/rse.h: New file (based on
kernel file of the same name).
* stdlib/Makefile (tests): Add tst-setcontext.
* stdlib/tst-setcontext.c: New file (based on a sample program by
Uli Drepper).
* sysdeps/unix/sysv/linux/ia64/setcontext.S: New file.
* sysdeps/unix/sysv/linux/ia64/getcontext.S: New file.
* sysdeps/unix/sysv/linux/ia64/__start_context.S: New file.
* sysdeps/unix/sysv/linux/ia64/makecontext.c: New file.
* sysdeps/unix/sysv/linux/ia64/__longjmp.S (__longjmp): Use extr.u
instead of shift & and.
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2000-07-13 Jes Sorensen <jes@linuxcare.com>
* sysdeps/unix/sysv/linux/ia64/clone.S: New file.
* sysdeps/unix/sysv/linux/ia64/fork.c: New file.
2000-06-05 David Mosberger <davidm@hpl.hp.com>
* sysdeps/unix/sysv/linux/ia64/bits/siginfo.h: New file
based on sysdeps/unix/sysv/linux/bits/siginfo.h.
Change type of si_band from "int" to "long".
(si_imm) [USE_GNU]: Define
(si_isr) [USE_GNU]: Ditto.
(ILL_BREAK) [USE_GNU]: Ditto.
(FPE_DECOVF) [USE_GNU]: Ditto.
(FPE_DECDIV) [USE_GNU]: Ditto.
(FPE_DECERR) [USE_GNU]: Ditto.
(FPE_INVASC) [USE_GNU]: Ditto.
(FPE_INVDEC) [USE_GNU]: Ditto.
(TRAP_BRANCH) [USE_GNU]: Ditto.
(TRAP_HWBKPT) [USE_GNU]: Ditto.
2000-07-06 Jes Sorensen <jes@linuxcare.com>
* sysdeps/unix/sysv/linux/ia64/sys/ucontext.h: Do not include
bits/sigcontext as struct mcontext does not depend on it.
* sysdeps/unix/sysv/linux/ia64/bits/sigcontext.h: New file.
2000-07-04 Jes Sorensen <jes@linuxcare.com>
* sysdeps/unix/sysv/linux/ia64/shmctl.c: Removed.
2000-07-04 David Mosberger-Tang <davidm@hpl.hp.com>
* sysdeps/unix/sysv/linux/ia64/bits/msq.h: New file.
2000-06-22 Jes Sorensen <jes@linuxcare.com>
* sysdeps/unix/sysv/linux/ia64/bits/mman.h: New file.
* intl/translit.po: New file.
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2000-06-20 Jes Sorensen <jes@linuxcare.com>
* sysdeps/unix/sysv/linux/ia64/syscalls.list: New file.
2000-06-20 Jes Sorensen <jes@linuxcare.com>
* sysdeps/unix/sysv/linux/ia64/machine-gmon.h: New file.
* sysdeps/unix/sysv/linux/ia64/profil-counter.h: New file.
2000-06-20 David Mosberger-Tang <davidm@hpl.hp.com>
* sysdeps/unix/sysv/linux/ia64/getpagesize.c: New file.
2000-06-20 Jes Sorensen <jes@linuxcare.com>
* sysdeps/unix/sysv/linux/ia64/sys/ucontext.h: Fix typo.
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2000-06-20 Jes Sorensen <jes@linuxcare.com>
* sysdeps/unix/sysv/linux/ia64/Makefile: New file.
* sysdeps/unix/sysv/linux/ia64/sys/io.h: New file.
* sysdeps/unix/sysv/linux/ia64/sys/procfs.h: New file.
* sysdeps/unix/sysv/linux/ia64/sys/ucontext.h: New file.
2000-05-05 Jes Sorensen <jes@linuxcare.com>
* sysdeps/unix/sysv/linux/ia64/bits/fcntl.h: New file.
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