/*
* File: forkexec.c
* Author: Philip Mucci
* mucci@cs.utk.edu
* Mods: <your name here>
* <your email address>
*/
/* This file performs the following test:
PAPI_library_init();
PAPI_shutdown()
fork()
/ \
parent child
wait() execlp()
PAPI_library_init()
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <sys/wait.h>
#include "papi.h"
#include "papi_test.h"
int
main( int argc, char **argv )
{
int retval;
int quiet;
int status;
/* Set TESTS_QUIET variable */
quiet = tests_quiet( argc, argv );
if ( ( argc > 1 ) && ( strcmp( argv[1], "xxx" ) == 0 ) ) {
/* In child */
retval = PAPI_library_init( PAPI_VER_CURRENT );
if ( retval != PAPI_VER_CURRENT ) {
test_fail( __FILE__, __LINE__, "execed PAPI_library_init", retval );
}
return 0;
} else {
if (!quiet) printf("Test fork/exec/PAPI_init\n");
/* Init PAPI */
retval = PAPI_library_init( PAPI_VER_CURRENT );
if ( retval != PAPI_VER_CURRENT ) {
test_fail( __FILE__, __LINE__, "main PAPI_library_init", retval );
}
/* Then shut down ? */
PAPI_shutdown( );
if ( fork( ) == 0 ) {
/* In child, exec ourself with "xxx" command line */
if ( execlp( argv[0], argv[0], "xxx", NULL ) == -1 ) {
test_fail( __FILE__, __LINE__, "execlp", PAPI_ESYS );
}
} else {
/* In parent, wait for child to finish */
wait( &status );
if ( WEXITSTATUS( status ) != 0 ) {
test_fail( __FILE__, __LINE__, "fork", WEXITSTATUS( status ) );
}
}
}
test_pass( __FILE__ );
return 0;
}