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/*
* Copyright 2002-2019 Intel Corporation.
*
* This software is provided to you as Sample Source Code as defined in the accompanying
* End User License Agreement for the Intel(R) Software Development Products ("Agreement")
* section 1.L.
*
* This software and the related documents are provided as is, with no express or implied
* warranties, other than those that are expressly stated in the License.
*/
/*
* This application must be run with Pin tool "change_syscall.cpp". That tool
* changes the system calls that this application executes, and the test only
* passes if that happens.
*/
#include <stdio.h>
#include <unistd.h>
#include <sys/types.h>
#include <signal.h>
#include <fcntl.h>
int main()
{
struct sigaction sa;
int ret;
/*
* The tool should change "open" to "getpid". This tests that a non-emulated
* system call can be changed to another non-emulated system call.
*/
ret = open("does-not-exist1", 0);
if (ret != getpid())
{
printf("open() system call not changed, ret = %d\n", ret);
return 1;
}
/*
* The tool should change "sigaction" to "getpid". This tests that an
* emulated system call can be changed to a non-emulated system call.
*/
sa.sa_handler = 0;
sa.sa_flags = 0;
sigemptyset(&sa.sa_mask);
ret = sigaction(SIGUSR1, &sa, 0);
if (ret != getpid())
{
printf("sigaction() system call not changed, ret = %d\n", ret);
return 1;
}
/*
* The tool should change "open" to "exit(0)". This tests that a non-emulated
* system call can be changed into an emulated one.
*/
open("does-not-exist2", 0);
printf("open was not changed to exit\n");
return 1;
}