52 lines
1.6 KiB
C++
52 lines
1.6 KiB
C++
// Copyright 2018 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <sys/cdefs.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <sys/mman.h>
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#include <pthread.h> /* for pthread_once() */
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <errno.h>
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#include <sys/socket.h>
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#include <sys/un.h>
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#include <qemu_pipe_bp.h>
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#include <log/log.h>
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bool qemu_pipe_read_fully(QEMU_PIPE_HANDLE pipe, void* buffer, int size) {
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uint8_t* p = (uint8_t*)(buffer);
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size_t remaining = size;
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while (remaining > 0) {
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size_t n = TEMP_FAILURE_RETRY(read(pipe, p, remaining));
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if (n <= 0) return false;
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p += n;
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remaining -= n;
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}
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return true;
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}
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bool qemu_pipe_write_fully(QEMU_PIPE_HANDLE pipe, const void* buffer, int size) {
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const uint8_t* p = (const uint8_t*)(buffer);
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size_t remaining = size;
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while (remaining > 0) {
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size_t n = TEMP_FAILURE_RETRY(write(pipe, p, remaining));
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if (n == -1) return false;
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p += n;
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remaining -= n;
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}
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return true;
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}
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