diff options
| -rw-r--r-- | ChangeLog | 21 | ||||
| -rw-r--r-- | io/creat.c | 3 | ||||
| -rw-r--r-- | io/ppoll.c | 2 | ||||
| -rw-r--r-- | misc/pselect.c | 2 | ||||
| -rw-r--r-- | nptl/Makefile | 18 | ||||
| -rw-r--r-- | nptl/pthreadP.h | 10 | ||||
| -rw-r--r-- | nptl/tst-cancel-wrappers.sh | 92 | ||||
| -rw-r--r-- | sysdeps/generic/sysdep-cancel.h | 1 | ||||
| -rw-r--r-- | sysdeps/mach/hurd/sysdep-cancel.h | 1 | ||||
| -rw-r--r-- | sysdeps/posix/pause.c | 2 | ||||
| -rw-r--r-- | sysdeps/posix/sigpause.c | 3 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/creat.c | 2 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/creat64.c | 2 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/sigwait.c | 3 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/sigwaitinfo.c | 3 |
15 files changed, 23 insertions, 142 deletions
@@ -1,3 +1,24 @@ +2019-01-03 Adhemerval Zanella <adhemerval.zanella@linaro.org> + + * io/creat.c (LIBC_CANCEL_HANDLED): Remove macro. + * io/ppoll.c (LIBC_CANCEL_HANDLED): Likewise. + * misc/pselect.c (LIBC_CANCEL_HANDLED): Likewise. + * nptl/pthreadP.h (LIBC_CANCEL_HANDLED): Likewise. + * sysdeps/generic/sysdep-cancel.h (LIBC_CANCEL_HANDLED): Likewise. + * sysdeps/mach/hurd/sysdep-cancel.h (LIBC_CANCEL_HANDLED): Likewise. + * sysdeps/posix/pause.c (LIBC_CANCEL_HANDLED): Likewise. + * sysdeps/posix/sigpause.c (LIBC_CANCEL_HANDLED): Likewise. + * sysdeps/unix/sysv/linux/creat.c (LIBC_CANCEL_HANDLED): Likewise. + * sysdeps/unix/sysv/linux/creat64.c (LIBC_CANCEL_HANDLED): Likewise. + * sysdeps/unix/sysv/linux/sigwait.c (LIBC_CANCEL_HANDLED): Likewise. + * sysdeps/unix/sysv/linux/sigwaitinfo.c (LIBC_CANCEL_HANDLED): + Likewise. + * nptl/Makefile [$(run-built-tests) = yes] (tests-special): Remove + tst-cancel-wrappers.sh. + (generated): Remove tst-cancel-wrappers.out. + (tst-cancel-wrappers.out): Remove rule. + * nptl/tst-cancel-wrappers.sh: Remove file. + 2019-01-03 Szabolcs Nagy <szabolcs.nagy@arm.com> * sysdeps/unix/sysv/linux/aarch64/bits/hwcap.h: Add comment. @@ -27,6 +27,3 @@ creat (const char *file, mode_t mode) { return __open (file, O_WRONLY|O_CREAT|O_TRUNC, mode); } - -/* __open handles cancellation. */ -LIBC_CANCEL_HANDLED (); @@ -70,7 +70,5 @@ ppoll (struct pollfd *fds, nfds_t nfds, const struct timespec *timeout, } #ifndef ppoll -/* __poll handles cancellation. */ -LIBC_CANCEL_HANDLED (); libc_hidden_def (ppoll); #endif diff --git a/misc/pselect.c b/misc/pselect.c index 078a974..63fa4ac 100644 --- a/misc/pselect.c +++ b/misc/pselect.c @@ -73,6 +73,4 @@ __pselect (int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, } #ifndef __pselect weak_alias (__pselect, pselect) -/* __select handles cancellation. */ -LIBC_CANCEL_HANDLED (); #endif diff --git a/nptl/Makefile b/nptl/Makefile index b8e467c..340282c 100644 --- a/nptl/Makefile +++ b/nptl/Makefile @@ -465,8 +465,7 @@ tests-reverse += tst-cancel5 tst-cancel23 tst-vfork1x tst-vfork2x ifeq ($(run-built-tests),yes) tests-special += $(objpfx)tst-stack3-mem.out $(objpfx)tst-oddstacklimit.out ifeq ($(build-shared),yes) -tests-special += $(objpfx)tst-tls6.out $(objpfx)tst-cleanup0-cmp.out \ - $(objpfx)tst-cancel-wrappers.out +tests-special += $(objpfx)tst-tls6.out $(objpfx)tst-cleanup0-cmp.out endif endif @@ -669,8 +668,7 @@ $(objpfx)$(multidir)/crtn.o: $(objpfx)crtn.o $(objpfx)$(multidir)/ ln -f $< $@ endif -generated += multidir.mk tst-atfork2.mtrace tst-cancel-wrappers.out \ - tst-tls6.out +generated += multidir.mk tst-atfork2.mtrace tst-tls6.out generated += $(objpfx)tst-atfork2.mtrace \ $(addsuffix .so,$(strip $(modules-names))) @@ -681,18 +679,6 @@ LDFLAGS-pthread.so += -e __nptl_main $(objpfx)pt-interp.os: $(common-objpfx)runtime-linker.h endif -ifeq ($(run-built-tests),yes) -ifeq (yes,$(build-shared)) -$(objpfx)tst-cancel-wrappers.out: tst-cancel-wrappers.sh - $(SHELL) $< '$(NM)' \ - $(common-objpfx)libc_pic.a \ - $(common-objpfx)libc.a \ - $(objpfx)libpthread_pic.a \ - $(objpfx)libpthread.a > $@; \ - $(evaluate-test) -endif -endif - tst-exec4-ARGS = $(host-test-program-cmd) $(objpfx)tst-execstack: $(libdl) diff --git a/nptl/pthreadP.h b/nptl/pthreadP.h index 1625473..626bd4b 100644 --- a/nptl/pthreadP.h +++ b/nptl/pthreadP.h @@ -325,27 +325,17 @@ __do_cancel (void) /* Same as CANCEL_RESET, but for use in libc.so. */ # define LIBC_CANCEL_RESET(oldtype) \ __libc_disable_asynccancel (oldtype) -# define LIBC_CANCEL_HANDLED() \ - __asm (".globl " __SYMBOL_PREFIX "__libc_enable_asynccancel"); \ - __asm (".globl " __SYMBOL_PREFIX "__libc_disable_asynccancel") #elif IS_IN (libpthread) # define LIBC_CANCEL_ASYNC() CANCEL_ASYNC () # define LIBC_CANCEL_RESET(val) CANCEL_RESET (val) -# define LIBC_CANCEL_HANDLED() \ - __asm (".globl " __SYMBOL_PREFIX "__pthread_enable_asynccancel"); \ - __asm (".globl " __SYMBOL_PREFIX "__pthread_disable_asynccancel") #elif IS_IN (librt) # define LIBC_CANCEL_ASYNC() \ __librt_enable_asynccancel () # define LIBC_CANCEL_RESET(val) \ __librt_disable_asynccancel (val) -# define LIBC_CANCEL_HANDLED() \ - __asm (".globl " __SYMBOL_PREFIX "__librt_enable_asynccancel"); \ - __asm (".globl " __SYMBOL_PREFIX "__librt_disable_asynccancel") #else # define LIBC_CANCEL_ASYNC() 0 /* Just a dummy value. */ # define LIBC_CANCEL_RESET(val) ((void)(val)) /* Nothing, but evaluate it. */ -# define LIBC_CANCEL_HANDLED() /* Nothing. */ #endif diff --git a/nptl/tst-cancel-wrappers.sh b/nptl/tst-cancel-wrappers.sh deleted file mode 100644 index c6fc986..0000000 --- a/nptl/tst-cancel-wrappers.sh +++ /dev/null @@ -1,92 +0,0 @@ -#!/bin/sh -# Test whether all cancelable functions are cancelable. -# Copyright (C) 2002-2019 Free Software Foundation, Inc. -# This file is part of the GNU C Library. -# Contributed by Jakub Jelinek <jakub@redhat.com>, 2002. - -# The GNU C Library is free software; you can redistribute it and/or -# modify it under the terms of the GNU Lesser General Public -# License as published by the Free Software Foundation; either -# version 2.1 of the License, or (at your option) any later version. - -# The GNU C Library is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -# Lesser General Public License for more details. - -# You should have received a copy of the GNU Lesser General Public -# License along with the GNU C Library; if not, see -# <http://www.gnu.org/licenses/>. - -NM="$1"; shift -while [ $# -gt 0 ]; do - ( $NM -P $1; echo 'end[end]:' ) | gawk ' BEGIN { -C["accept"]=1 -C["close"]=1 -C["connect"]=1 -C["creat"]=1 -C["fcntl"]=1 -C["fdatasync"]=1 -C["fsync"]=1 -C["msgrcv"]=1 -C["msgsnd"]=1 -C["msync"]=1 -C["nanosleep"]=1 -C["open"]=1 -C["open64"]=1 -C["pause"]=1 -C["poll"]=1 -C["pread"]=1 -C["pread64"]=1 -C["pselect"]=1 -C["pwrite"]=1 -C["pwrite64"]=1 -C["read"]=1 -C["readv"]=1 -C["recv"]=1 -C["recvfrom"]=1 -C["recvmsg"]=1 -C["select"]=1 -C["send"]=1 -C["sendmsg"]=1 -C["sendto"]=1 -C["sigpause"]=1 -C["sigsuspend"]=1 -C["sigwait"]=1 -C["sigwaitinfo"]=1 -C["tcdrain"]=1 -C["wait"]=1 -C["waitid"]=1 -C["waitpid"]=1 -C["write"]=1 -C["writev"]=1 -C["__xpg_sigpause"]=1 -} -/:$/ { - if (seen) - { - if (!seen_enable || !seen_disable) - { - printf "in '$1'(%s) %s'\''s cancellation missing\n", object, seen - ret = 1 - } - } - seen="" - seen_enable="" - seen_disable="" - object=gensub(/^.*\[(.*)\]:$/, "\\1", 1, $0) - next -} -{ - if (C[$1] && $2 ~ /^[TW]$/) - seen=$1 - else if ($1 ~ /^([.]|)__(libc|pthread)_enable_asynccancel$/ && $2 == "U") - seen_enable=1 - else if ($1 ~ /^([.]|)__(libc|pthread)_disable_asynccancel$/ && $2 == "U") - seen_disable=1 -} -END { - exit ret -}' || exit - shift -done diff --git a/sysdeps/generic/sysdep-cancel.h b/sysdeps/generic/sysdep-cancel.h index ba6a1e0..d22a786 100644 --- a/sysdeps/generic/sysdep-cancel.h +++ b/sysdeps/generic/sysdep-cancel.h @@ -5,4 +5,3 @@ #define RTLD_SINGLE_THREAD_P (1) #define LIBC_CANCEL_ASYNC() 0 /* Just a dummy value. */ #define LIBC_CANCEL_RESET(val) ((void)(val)) /* Nothing, but evaluate it. */ -#define LIBC_CANCEL_HANDLED() /* Nothing. */ diff --git a/sysdeps/mach/hurd/sysdep-cancel.h b/sysdeps/mach/hurd/sysdep-cancel.h index ec55c73..f686a39 100644 --- a/sysdeps/mach/hurd/sysdep-cancel.h +++ b/sysdeps/mach/hurd/sysdep-cancel.h @@ -6,4 +6,3 @@ #define RTLD_SINGLE_THREAD_P (0) #define LIBC_CANCEL_ASYNC() 0 /* Just a dummy value. */ #define LIBC_CANCEL_RESET(val) ((void)(val)) /* Nothing, but evaluate it. */ -#define LIBC_CANCEL_HANDLED() /* Nothing. */ diff --git a/sysdeps/posix/pause.c b/sysdeps/posix/pause.c index 0280f1c..b4926e3 100644 --- a/sysdeps/posix/pause.c +++ b/sysdeps/posix/pause.c @@ -38,5 +38,3 @@ __libc_pause (void) return __sigsuspend (&set); } weak_alias (__libc_pause, pause) - -LIBC_CANCEL_HANDLED (); /* sigsuspend handles our cancellation. */ diff --git a/sysdeps/posix/sigpause.c b/sysdeps/posix/sigpause.c index 1b8d0da..84440ba 100644 --- a/sysdeps/posix/sigpause.c +++ b/sysdeps/posix/sigpause.c @@ -70,6 +70,3 @@ __xpg_sigpause (int sig) return __sigpause (sig, 1); } strong_alias (__xpg_sigpause, __libc___xpg_sigpause) - -/* __sigsuspend handles cancellation. */ -LIBC_CANCEL_HANDLED (); diff --git a/sysdeps/unix/sysv/linux/creat.c b/sysdeps/unix/sysv/linux/creat.c index 1ff288f..9062d3d 100644 --- a/sysdeps/unix/sysv/linux/creat.c +++ b/sysdeps/unix/sysv/linux/creat.c @@ -35,6 +35,4 @@ __creat (const char *file, mode_t mode) } weak_alias (__creat, creat) -LIBC_CANCEL_HANDLED (); - #endif diff --git a/sysdeps/unix/sysv/linux/creat64.c b/sysdeps/unix/sysv/linux/creat64.c index 16e4f84..1fd52fa 100644 --- a/sysdeps/unix/sysv/linux/creat64.c +++ b/sysdeps/unix/sysv/linux/creat64.c @@ -37,5 +37,3 @@ weak_alias (__creat64, creat64) strong_alias (__creat64, __creat) weak_alias (__creat64, creat) #endif - -LIBC_CANCEL_HANDLED (); diff --git a/sysdeps/unix/sysv/linux/sigwait.c b/sysdeps/unix/sysv/linux/sigwait.c index 12a953e..0bb8a55 100644 --- a/sysdeps/unix/sysv/linux/sigwait.c +++ b/sysdeps/unix/sysv/linux/sigwait.c @@ -37,6 +37,3 @@ __sigwait (const sigset_t *set, int *sig) libc_hidden_def (__sigwait) weak_alias (__sigwait, sigwait) strong_alias (__sigwait, __libc_sigwait) - -/* __sigtimedwait handles cancellation. */ -LIBC_CANCEL_HANDLED (); diff --git a/sysdeps/unix/sysv/linux/sigwaitinfo.c b/sysdeps/unix/sysv/linux/sigwaitinfo.c index cd7d132..94f6e9b 100644 --- a/sysdeps/unix/sysv/linux/sigwaitinfo.c +++ b/sysdeps/unix/sysv/linux/sigwaitinfo.c @@ -28,6 +28,3 @@ __sigwaitinfo (const sigset_t *set, siginfo_t *info) libc_hidden_def (__sigwaitinfo) weak_alias (__sigwaitinfo, sigwaitinfo) strong_alias (__sigwaitinfo, __libc_sigwaitinfo) - -/* __sigtimedwait handles cancellation. */ -LIBC_CANCEL_HANDLED (); |