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089b772f98
With current kernel version requirements, the ppoll Linux syscall can be assumed to be present on all architectures; this patch removes the __ASSUME_PPOLL macro and conditionals on it and on whether __NR_ppoll is defined. (Note that the same can't yet be done for pselect, because MicroBlaze only wired that up in the syscall table in 3.15.) Tested for x86_64 and x86 that installed stripped shared libraries are unchanged by the patch. * sysdeps/unix/sysv/linux/kernel-features.h (__ASSUME_PPOLL): Remove macro. * sysdeps/unix/sysv/linux/ppoll.c: Do not include <kernel-features.h>. [__NR_ppoll]: Make code unconditional. [!__ASSUME_PPOLL]: Remove conditional code.
42 lines
1.4 KiB
C
42 lines
1.4 KiB
C
/* Copyright (C) 2006-2016 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@redhat.com>, 2006.
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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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#include <errno.h>
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#include <signal.h>
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#include <time.h>
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#include <sys/poll.h>
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#include <sysdep-cancel.h>
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int
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ppoll (struct pollfd *fds, nfds_t nfds, const struct timespec *timeout,
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const sigset_t *sigmask)
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{
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/* The Linux kernel can in some situations update the timeout value.
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We do not want that so use a local variable. */
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struct timespec tval;
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if (timeout != NULL)
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{
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tval = *timeout;
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timeout = &tval;
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}
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return SYSCALL_CANCEL (ppoll, fds, nfds, timeout, sigmask, _NSIG / 8);
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}
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libc_hidden_def (ppoll)
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