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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 is meant to be run with the Pin tool "call-app-tool.cpp".
*/
#include <stdio.h>
#include <signal.h>
extern "C" void PIN_TEST_FOO();
extern "C" void PIN_TEST_BAR();
static void Handle(int);
typedef void (*FUN)();
volatile FUN pFoo = PIN_TEST_FOO;
int main()
{
struct sigaction act;
act.sa_handler = Handle;
act.sa_flags = 0;
sigemptyset(&act.sa_mask);
if (sigaction(SIGUSR1, &act, 0) != 0)
{
fprintf(stderr, "Unable to set USR1 handler\n");
return 1;
}
// Call through a function pointer to prevent the compiler from in-lining.
//
pFoo();
printf("Main returning\n");
return 0;
}
void PIN_TEST_FOO()
{
// The Pin tool places an instrumentation point here, which calls PIN_TEST_BAR().
printf("Calling Foo\n");
}
void PIN_TEST_BAR()
{
printf("Calling Bar\n");
}
static void Handle(int sig)
{
if (sig == SIGUSR1)
printf("Got SIGUSR1\n");
else
printf("Got unexpected signal %d\n", sig);
}