int main(void)
{
tm4c123_spi_initialize();
{
F_FILE *file;
unsigned int n;
uint8_t data[512];
f_initvolume();
file = f_open("LOG00000.DAT", "w,32M");
if (file)
{
f_flush(file);
memset(data, 0xaa, sizeof(data));
for (n = 0; n < (32 * 1024 * 1024 / 512); n++)
{
f_write(data, 512, 1, file);
}
f_close(file);
}
f_delvolume();
}
while (1) { };
}
/*
* NAME: hfs->close()
* DESCRIPTION: close a file
*/
int hfs_close(hfsfile *file)
{
hfsvol *vol = file->vol;
int result = 0;
if (--(file->refs)) {
// File still has more refs
printf("file %s still has %d refs\n", file->name, file->refs);
return 0;
}
if (f_trunc(file) == -1 ||
f_flush(file) == -1)
result = -1;
if (file->prev)
file->prev->next = file->next;
if (file->next)
file->next->prev = file->prev;
if (file == vol->files)
vol->files = file->next;
FREE(file);
return result;
}
bool TestExtOutput::test_flush() {
f_ob_start();
f_ob_start("strtolower");
g_context->write(""); // we can't really verify what's written to stdout
f_flush();
f_ob_end_clean();
f_ob_end_clean();
return Count(true);
}
/* Child process monitoring function */
void *process_monitor() {
pid_t child_pid; /* pid of zombie child */
int status, time_interval; /* child exit status; interval between time_t's */
while(true) {
mutex_lock(&g_mutex);
if(g_num_children > 0) {
mutex_unlock(&g_mutex);
child_pid = wait(&status);
if(child_pid < 0) {
if(errno == EINTR) /* Waiting interrupted */
continue;
else
handle_error("wait");
}
mutex_lock(&g_mutex);
time_interval = update_terminated_process(g_lst_children,
child_pid, status, time(NULL));
if(time_interval < 0) {
fprintf(stderr, "update_terminated_process: interval is negative\n");
fprintf(stderr, "Not logging process %d..\n", child_pid);
} else {
g_total_time += time_interval;
fprintf(g_log_file, "iteracao %d\n" \
"PID: %d execution time: %02d s\n" \
"total execution time: %02d s\n",
g_iterations++, child_pid, time_interval, g_total_time);
f_flush(g_log_file);
}
--g_num_children;
cond_signal(&g_child_cv);
mutex_unlock(&g_mutex);
} else if(g_monitoring) {
while(g_num_children == 0 && g_monitoring)
cond_wait(&g_monitoring_cv, &g_mutex);
mutex_unlock(&g_mutex);
}
else break;
}
mutex_unlock(&g_mutex);
return NULL;
}
/*
* NAME: hfs->flush()
* DESCRIPTION: flush all pending changes to an HFS volume
*/
int hfs_flush(hfsvol *vol)
{
hfsfile *file;
if (v_getvol(&vol) < 0)
return -1;
for (file = vol->files; file; file = file->next)
{
if (f_flush(file) < 0)
return -1;
}
if (v_flush(vol, 0) < 0)
return -1;
return 0;
}
/*
* NAME: hfs->close()
* DESCRIPTION: close a file
*/
int hfs_close(hfsfile *file)
{
hfsvol *vol = file->vol;
int result = 0;
if (f_trunc(file) == -1 ||
f_flush(file) == -1)
result = -1;
if (file->prev)
file->prev->next = file->next;
if (file->next)
file->next->prev = file->prev;
if (file == vol->files)
vol->files = file->next;
FREE(file);
return result;
}
/*
* NAME: hfs->flush()
* DESCRIPTION: flush all pending changes to an HFS volume
*/
int hfs_flush(hfsvol *vol)
{
hfsfile *file;
if (getvol(&vol) == -1)
goto fail;
for (file = vol->files; file; file = file->next)
{
if (f_flush(file) == -1)
goto fail;
}
if (v_flush(vol) == -1)
goto fail;
return 0;
fail:
return -1;
}
