sandboxed-api/sandboxed_api/sandbox2/testcases/print_fds.cc
Christian Blichmann 177b969e8c
Sandboxed API OSS release.
PiperOrigin-RevId: 238996664
Change-Id: I9646527e2be68ee0b6b371572b7aafe967102e57

Signed-off-by: Christian Blichmann <cblichmann@google.com>
2019-03-18 19:00:48 +01:00

28 lines
849 B
C++

// Copyright 2019 Google LLC. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// A binary that prints its opened file descriptors.
#include <fcntl.h>
#include <cstdio>
int main(int argc, char** argv) {
for (int fd = 0; fd < 4096; fd++) {
if (fcntl(fd, F_GETFD) != -1) {
printf("%d\n", fd);
}
}
}