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/*
* Simple child to iterate over the entire fd list, opening/reading/closing as we go.
*/
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <string.h>
#include <unistd.h>
#include "arch.h" // page_size
#include "child.h"
#include "files.h"
#include "log.h"
#include "random.h"
#include "trinity.h" // __unused__
int child_read_all_files(__unused__ int childno)
{
struct stat sb;
const char *filename;
char *buffer;
unsigned int i;
int fd;
int ret;
for (i = 0; i < files_in_index; i++) {
filename = fileindex[i];
ret = (lstat(filename, &sb));
if (ret == -1)
continue;
if (sb.st_size == 0)
sb.st_size = page_size;
buffer = malloc(sb.st_size);
if (!buffer)
continue;
memset(buffer, 0, sb.st_size);
fd = open(filename, O_RDONLY | O_NONBLOCK);
if (!fd) {
free(buffer);
continue;
}
ret = read(fd, buffer, sb.st_size);
// if (ret != -1)
// output(0, "%s:%s\n", filename, buffer);
if (rand_bool())
sleep(1);
free(buffer);
close(fd);
}
return 0;
}
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