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566e10aa72
The upper bits of the sigset_t s not fully initialized in the signal mask calls that return information from kernel (sigprocmask, sigpending, and pthread_sigmask), since the exported sigset_t size (1024 bits) is larger than Linux support one (64 or 128 bits). It might make sigisemptyset/sigorset/sigandset fail if the mask is filled prior the call. This patch changes the internal signal function to handle up to supported Linux signal number (_NSIG), the remaining bits are untouched. Checked on x86_64-linux-gnu and i686-linux-gnu.
72 lines
2.6 KiB
Makefile
72 lines
2.6 KiB
Makefile
# Copyright (C) 1991-2020 Free Software Foundation, Inc.
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# This file is part of the GNU C Library.
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# The GNU C Library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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# The GNU C Library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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# You should have received a copy of the GNU Lesser General Public
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# License along with the GNU C Library; if not, see
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# <https://www.gnu.org/licenses/>.
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#
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# Makefile for signal routines.
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#
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subdir := signal
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include ../Makeconfig
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headers := signal.h sys/signal.h \
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bits/signum.h bits/signum-generic.h \
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bits/sigcontext.h bits/sigaction.h \
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bits/sigevent-consts.h bits/siginfo-consts.h \
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bits/sigstack.h bits/sigthread.h bits/ss_flags.h \
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bits/types/__sigset_t.h bits/types/sig_atomic_t.h \
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bits/types/sigevent_t.h bits/types/siginfo_t.h \
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bits/types/sigset_t.h bits/types/sigval_t.h \
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bits/types/stack_t.h bits/types/struct_sigstack.h \
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bits/types/__sigval_t.h bits/signal_ext.h
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routines := signal raise killpg \
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sigaction sigprocmask kill \
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sigpending sigsuspend sigwait \
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sigblock sigsetmask sigpause sigvec \
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sigstack sigaltstack sigintr \
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sigsetops sigempty sigfillset sigaddset sigdelset sigismem \
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sigreturn \
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siggetmask sysv_signal \
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sigisempty sigandset sigorset \
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allocrtsig sigtimedwait sigwaitinfo sigqueue \
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sighold sigrelse sigignore sigset
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tests := tst-signal tst-sigset tst-sigsimple tst-raise tst-sigset2 \
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tst-sigwait-eintr tst-sigaction \
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tst-minsigstksz-1 tst-minsigstksz-2 tst-minsigstksz-3 \
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tst-minsigstksz-3a tst-minsigstksz-4 \
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tst-sigisemptyset
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include ../Rules
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CFLAGS-raise.c += -fasynchronous-unwind-tables
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CFLAGS-sigpause.c += -fexceptions
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CFLAGS-sigsuspend.c += -fexceptions -fasynchronous-unwind-tables
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CFLAGS-sigtimedwait.c += -fexceptions -fasynchronous-unwind-tables
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CFLAGS-sigwait.c += -fexceptions -fasynchronous-unwind-tables
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CFLAGS-sigwaitinfo.c += -fexceptions -fasynchronous-unwind-tables
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CFLAGS-sigreturn.c += $(no-stack-protector)
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# We don't want to test the lazy resolution stack usage, just the
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# execution of the handler and the functions.
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LDFLAGS-tst-minsigstksz-1 = -Wl,-z,now
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LDFLAGS-tst-minsigstksz-2 = -Wl,-z,now
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LDFLAGS-tst-minsigstksz-3 = -Wl,-z,now
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LDFLAGS-tst-minsigstksz-3a = -Wl,-z,now
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LDFLAGS-tst-minsigstksz-4 = -Wl,-z,now
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