mirror of
https://sourceware.org/git/glibc.git
synced 2025-10-28 23:34:53 +03:00
f2e30cc0f8
Nothing defines CALL_PSELECT6 in the current tree, so remove it. Tested with: - make PARALLELMFLAGS="-j8" && make xcheck PARALLELMFLAGS="-j8" (x86_64) - scripts/build-many-glibcs.py
83 lines
2.4 KiB
C
83 lines
2.4 KiB
C
/* Copyright (C) 2006-2019 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Ulrich Drepper <drepper@redhat.com>, 2006.
|
|
|
|
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
|
|
<https://www.gnu.org/licenses/>. */
|
|
|
|
#include <errno.h>
|
|
#include <signal.h>
|
|
#include <time.h>
|
|
#include <sys/poll.h>
|
|
#include <kernel-features.h>
|
|
#include <sysdep-cancel.h>
|
|
|
|
|
|
#ifdef __NR_pselect6
|
|
# ifndef __ASSUME_PSELECT
|
|
static int __generic_pselect (int nfds, fd_set *readfds, fd_set *writefds,
|
|
fd_set *exceptfds,
|
|
const struct timespec *timeout,
|
|
const sigset_t *sigmask);
|
|
# endif
|
|
|
|
|
|
int
|
|
__pselect (int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds,
|
|
const struct timespec *timeout, const sigset_t *sigmask)
|
|
{
|
|
/* The Linux kernel can in some situations update the timeout value.
|
|
We do not want that so use a local variable. */
|
|
struct timespec tval;
|
|
if (timeout != NULL)
|
|
{
|
|
tval = *timeout;
|
|
timeout = &tval;
|
|
}
|
|
|
|
/* Note: the system call expects 7 values but on most architectures
|
|
we can only pass in 6 directly. If there is an architecture with
|
|
support for more parameters a new version of this file needs to
|
|
be created. */
|
|
struct
|
|
{
|
|
__syscall_ulong_t ss;
|
|
__syscall_ulong_t ss_len;
|
|
} data;
|
|
|
|
data.ss = (__syscall_ulong_t) (uintptr_t) sigmask;
|
|
data.ss_len = _NSIG / 8;
|
|
|
|
int result = SYSCALL_CANCEL (pselect6, nfds, readfds, writefds, exceptfds,
|
|
timeout, &data);
|
|
|
|
# ifndef __ASSUME_PSELECT
|
|
if (result == -1 && errno == ENOSYS)
|
|
result = __generic_pselect (nfds, readfds, writefds, exceptfds, timeout,
|
|
sigmask);
|
|
# endif
|
|
|
|
return result;
|
|
}
|
|
weak_alias (__pselect, pselect)
|
|
|
|
# ifndef __ASSUME_PSELECT
|
|
# define __pselect static __generic_pselect
|
|
# endif
|
|
#endif
|
|
|
|
#ifndef __ASSUME_PSELECT
|
|
# include <misc/pselect.c>
|
|
#endif
|