platform_bionic/libc/bionic/pidfd.cpp
Josh Gao 3de19151e5 Add wrappers for pidfd_{open,getfd,send_signal}.
Bug: http://b/172518739
Test: `/data/nativetest64/bionic-unit-tests/bionic-unit-tests --gtest_filter="*pidfd*"` on blueline
Change-Id: Ibae32bbedbcf26535a80a5cbfb55ce180906b610
2021-02-25 13:55:12 -08:00

42 lines
1.8 KiB
C++

/*
* Copyright (C) 2021 The Android Open Source Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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 OWNER 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 <sys/pidfd.h>
#include "private/bionic_fdtrack.h"
extern "C" int __pidfd_open(pid_t pid, unsigned int flags);
extern "C" int __pidfd_getfd(int pidfd, int targetfd, unsigned int flags);
int pidfd_open(pid_t pid, unsigned int flags) {
return FDTRACK_CREATE(__pidfd_open(pid, flags));
}
int pidfd_getfd(int pidfd, int targetfd, unsigned int flags) {
return FDTRACK_CREATE(__pidfd_getfd(pidfd, targetfd, flags));
}