diff options
Diffstat (limited to 'security/sandbox/linux/SandboxLogging.cpp')
-rw-r--r-- | security/sandbox/linux/SandboxLogging.cpp | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/security/sandbox/linux/SandboxLogging.cpp b/security/sandbox/linux/SandboxLogging.cpp deleted file mode 100644 index 19196a75a..000000000 --- a/security/sandbox/linux/SandboxLogging.cpp +++ /dev/null @@ -1,60 +0,0 @@ -/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ -/* vim: set ts=8 sts=2 et sw=2 tw=80: */ -/* This Source Code Form is subject to the terms of the Mozilla Public - * License, v. 2.0. If a copy of the MPL was not distributed with this file, - * You can obtain one at http://mozilla.org/MPL/2.0/. */ - -#include "SandboxLogging.h" - -#ifdef ANDROID -#include <android/log.h> -#endif -#include <algorithm> -#include <stdio.h> -#include <string.h> -#include <sys/uio.h> -#include <unistd.h> - -#include "base/posix/eintr_wrapper.h" - -namespace mozilla { - -// Alters an iovec array to remove the first `toDrop` bytes. This -// complexity is necessary because writev can return a short write -// (e.g., if stderr is a pipe and the buffer is almost full). -static void -IOVecDrop(struct iovec* iov, int iovcnt, size_t toDrop) -{ - while (toDrop > 0 && iovcnt > 0) { - size_t toDropHere = std::min(toDrop, iov->iov_len); - iov->iov_base = static_cast<char*>(iov->iov_base) + toDropHere; - iov->iov_len -= toDropHere; - toDrop -= toDropHere; - ++iov; - --iovcnt; - } -} - -void -SandboxLogError(const char* message) -{ -#ifdef ANDROID - // This uses writev internally and appears to be async signal safe. - __android_log_write(ANDROID_LOG_ERROR, "Sandbox", message); -#endif - static const char logPrefix[] = "Sandbox: ", logSuffix[] = "\n"; - struct iovec iovs[3] = { - { const_cast<char*>(logPrefix), sizeof(logPrefix) - 1 }, - { const_cast<char*>(message), strlen(message) }, - { const_cast<char*>(logSuffix), sizeof(logSuffix) - 1 }, - }; - while (iovs[2].iov_len > 0) { - ssize_t written = HANDLE_EINTR(writev(STDERR_FILENO, iovs, 3)); - if (written <= 0) { - break; - } - IOVecDrop(iovs, 3, static_cast<size_t>(written)); - } -} - -} |