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cccb6d4e87
Since
commit 8b0e795aaa
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Nov 1 11:49:05 2017 -0200
Simplify Linux sig{timed}wait{info} implementations
sigwait can fail with EINTR. Applications do not expect that, and the
error code is not documented in POSIX or the manual pages.
This commit restores the previous behavior by retrying the system call
on EINTR. It also returns the error code, not -1, on the remaing
errors.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
60 lines
2.1 KiB
Makefile
60 lines
2.1 KiB
Makefile
# Copyright (C) 1991-2017 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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# <http://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
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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 \
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include ../Rules
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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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