54 lines
1.3 KiB
C
54 lines
1.3 KiB
C
/*
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* Copyright 2012, 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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*/
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/**
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* The probability of a syscall failing from 0.0 to 1.0
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*/
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#define PROBABILITY 0.9
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#include <stdio.h>
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#include <stdlib.h>
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#include <errno.h>
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/* for various intercepted calls */
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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/* For builds on glibc */
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#define __USE_GNU
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#include <dlfcn.h>
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#include "interrupter.h"
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static int probability = PROBABILITY * RAND_MAX;
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static int maybe_interrupt() {
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if (rand() < probability) {
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return 1;
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}
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return 0;
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}
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DEFINE_INTERCEPT(read, ssize_t, int, void*, size_t);
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DEFINE_INTERCEPT(write, ssize_t, int, const void*, size_t);
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DEFINE_INTERCEPT(accept, int, int, struct sockaddr*, socklen_t*);
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DEFINE_INTERCEPT(creat, int, const char*, mode_t);
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