int wait_for_threads(int live_threads)
{
int rc = 0;
-
+
while (live_threads > 0) {
int status;
pid_t ret;
-
+
ret = waitpid(0, &status, 0);
if (ret == 0) {
continue;
}
-
+
if (ret < 0) {
fprintf(stderr, "%s: error: wait - %s\n",
cmdname, strerror(errno));
void print_err(char *op, char *filename, struct timeval *time, int err)
{
fprintf(stderr, "%s: %d.%.06d error: %s(%s): %s\n",
- cmdname, (int)(time->tv_sec), (int)(time->tv_usec), op,
+ cmdname, (int)(time->tv_sec), (int)(time->tv_usec), op,
filename, strerror(errno));
}
int fd, rc = 0, rand, maxrand, len;
long nfiles = 0, nbytes = 0;
- if (!o_quiet)
+ if (!o_quiet)
printf("%s: running thread #%d\n", cmdname, thread);
-
+
srandom(thread);
- /* Higher thread numbers will produce bigger random files.
+ /* Higher thread numbers will produce bigger random files.
Thread 1 will produce only 0-len files. */
maxrand = 1; rand = thread;
while (--rand)
break;
sprintf(filename, "%s-%d-%ld", file, thread, nfiles);
-
+
fd = open(filename, O_RDWR | O_CREAT, 0666);
if (fd < 0) {
print_err("open", filename, &cur, errno);
rc = errno;
break;
}
-
- sprintf(buf, "%s %010ld %.19s.%012d\n", cmdname,
+
+ sprintf(buf, "%s %010ld %.19s.%012d\n", cmdname,
nfiles++, ctime(&cur.tv_sec), (int)cur.tv_usec);
len = strlen(buf);
print_err("write", filename, &cur, errno);
rc = errno;
break;
- }
+ }
nbytes += len;
- }
-
+ }
+
if (close(fd) < 0) {
print_err("close", filename, &cur, errno);
rc = errno;
break;
}
}
-
+
diff = difftime(&cur, &start);
- if (!o_quiet)
- printf("%s: %7ld files, %4ld MB in %.2fs (%7.2f files/s, "
+ if (!o_quiet)
+ printf("%s: %7ld files, %4ld MB in %.2fs (%7.2f files/s, "
"%5.2f MB/s): rc = %d\n",
cmdname, nfiles, nbytes >> 20, diff,
(double)nfiles / diff, (double)nbytes/1024/1024 / diff,
char *directory;
int i = 1, rc = 0;
- sprintf(cmdname, "%s", argv[0]);
+ sprintf(cmdname, "%s", argv[0]);
while((i < argc) && (argv[i][0] == '-')) {
switch (argv[i][1]) {
}
}
/* parent process */
- if (!o_quiet)
+ if (!o_quiet)
printf("%s will run for %ld minutes\n", cmdname, duration/60);
return (wait_for_threads(threads));
}