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/* SPDX-License-Identifier: GPL-2.0 */
#include <pthread.h>
#include <stdlib.h>
#include <signal.h>
#include <unistd.h>
#include <linux/compiler.h>
#include "../tests.h"
static volatile sig_atomic_t done;
static void sighandler(int sig __maybe_unused)
{
done = 1;
}
static int noploop(int argc, const char **argv)
{
double sec = 1.0;
pthread_setname_np(pthread_self(), "perf-noploop");
if (argc > 0)
sec = atof(argv[0]);
if (!(sec > 0.0)) {
fprintf(stderr, "Error: seconds (%f) must be > 0\n", sec);
return 1;
}
signal(SIGINT, sighandler);
signal(SIGALRM, sighandler);
if (sec < 1.0) {
useconds_t usecs = (useconds_t)(sec * 1000000.0);
ualarm(usecs > 0 ? usecs : 1, 0);
} else
alarm((unsigned int)sec);
while (!done)
continue;
return 0;
}
DEFINE_WORKLOAD(noploop);
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