mirror of
https://github.com/RGBCube/serenity
synced 2025-10-31 21:12:43 +00:00
51 lines
2 KiB
C++
51 lines
2 KiB
C++
/*
|
|
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright notice, this
|
|
* list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <Kernel/API/Syscall.h>
|
|
#include <errno.h>
|
|
#include <poll.h>
|
|
#include <sys/time.h>
|
|
|
|
extern "C" {
|
|
|
|
int poll(pollfd* fds, nfds_t nfds, int timeout_ms)
|
|
{
|
|
timespec timeout;
|
|
timespec* timeout_ts = &timeout;
|
|
if (timeout_ms < 0)
|
|
timeout_ts = nullptr;
|
|
else
|
|
timeout = { timeout_ms / 1000, (timeout_ms % 1000) * 1'000'000 };
|
|
return ppoll(fds, nfds, timeout_ts, nullptr);
|
|
}
|
|
|
|
int ppoll(pollfd* fds, nfds_t nfds, const timespec* timeout, const sigset_t* sigmask)
|
|
{
|
|
Syscall::SC_poll_params params { fds, nfds, timeout, sigmask };
|
|
int rc = syscall(SC_poll, ¶ms);
|
|
__RETURN_WITH_ERRNO(rc, rc, -1);
|
|
}
|
|
}
|