#include <unistd.h>
#include <fcntl.h>
#include <string.h>
+#include <limits.h>
#include <signal.h>
#include <time.h>
#include <locale.h>
#include "cgroup.h"
#include "profile.h"
#include "lib/rand.h"
+#include "memalign.h"
unsigned long page_mask;
unsigned long page_size;
static struct fio_mutex *writeout_mutex;
static volatile int fio_abort;
static int exit_value;
-static timer_t ival_timer;
static pthread_t gtod_thread;
+static pthread_t disk_util_thread;
static struct flist_head *cgroup_list;
static char *cgroup_mnt;
}
}
-static void status_timer_arm(void)
-{
- struct itimerspec value;
-
- value.it_value.tv_sec = 0;
- value.it_value.tv_nsec = DISK_UTIL_MSEC * 1000000;
- value.it_interval.tv_sec = 0;
- value.it_interval.tv_nsec = DISK_UTIL_MSEC * 1000000;
-
- timer_settime(ival_timer, 0, &value, NULL);
-}
-
-static void ival_fn(union sigval sig)
-{
- if (threads) {
- update_io_ticks();
- print_thread_status();
- }
-}
-
/*
* Happens on thread runs with ctrl-c, ignore our own SIGQUIT
*/
if (threads) {
log_info("\nfio: terminating on signal %d\n", sig);
fflush(stdout);
+ exit_value = 128;
terminate_threads(TERMINATE_ALL);
}
}
-static void posix_timer_teardown(void)
+static void *disk_thread_main(void *data)
{
- timer_delete(ival_timer);
+ fio_mutex_up(startup_mutex);
+
+ while (threads) {
+ usleep(DISK_UTIL_MSEC * 1000);
+ if (!threads)
+ break;
+ update_io_ticks();
+ print_thread_status();
+ }
+
+ return NULL;
}
-static void posix_timer_setup(void)
+static int create_disk_util_thread(void)
{
- struct sigevent evt;
+ int ret;
- memset(&evt, 0, sizeof(evt));
- evt.sigev_notify = SIGEV_THREAD;
- evt.sigev_notify_function = ival_fn;
+ ret = pthread_create(&disk_util_thread, NULL, disk_thread_main, NULL);
+ if (ret) {
+ log_err("Can't create disk util thread: %s\n", strerror(ret));
+ return 1;
+ }
-#ifndef __CYGWIN__
- if (timer_create(CLOCK_MONOTONIC, &evt, &ival_timer) < 0)
- perror("timer_create");
-#else /* Windows (and thus Cygwin) doesn't have a monotonic clock */
- if (timer_create(CLOCK_REALTIME, &evt, &ival_timer) < 0)
- perror("timer_create");
-#endif
+ ret = pthread_detach(disk_util_thread);
+ if (ret) {
+ log_err("Can't detatch disk util thread: %s\n", strerror(ret));
+ return 1;
+ }
+ dprint(FD_MUTEX, "wait on startup_mutex\n");
+ fio_mutex_down(startup_mutex);
+ dprint(FD_MUTEX, "done waiting on startup_mutex\n");
+ return 0;
}
static void set_sig_handlers(void)
clear_io_u(td, io_u);
} else if (io_u->resid) {
int bytes = io_u->xfer_buflen - io_u->resid;
- struct fio_file *f = io_u->file;
/*
* zero read, fail
if (ddir_rw(io_u->ddir))
td->ts.short_io_u[io_u->ddir]++;
+ f = io_u->file;
if (io_u->offset == f->real_file_size)
goto sync_done;
io_u = flist_entry(entry, struct io_u, list);
flist_del(&io_u->list);
- free(io_u);
+ fio_memfree(io_u, sizeof(*io_u));
}
free_io_mem(td);
if (td->terminate)
return 1;
- if (posix_memalign(&ptr, cl_align, sizeof(*io_u))) {
- log_err("fio: posix_memalign=%s\n", strerror(errno));
+ ptr = fio_memalign(cl_align, sizeof(*io_u));
+ if (!ptr) {
+ log_err("fio: unable to allocate aligned memory\n");
break;
}
* Fill the buffer with the pattern if we are
* going to be doing writes.
*/
- fill_pattern(td, io_u->buf, max_bs, io_u);
+ fill_pattern(td, io_u->buf, max_bs, io_u, 0, 0);
}
}
td->io_issues[i] = 0;
td->ts.total_io_u[i] = 0;
}
-
+
fio_gettime(&tv, NULL);
td->ts.runtime[0] = 0;
td->ts.runtime[1] = 0;
*/
fio_mutex_remove(td->mutex);
- if (td->o.uid != -1U && setuid(td->o.uid)) {
- td_verror(td, errno, "setuid");
- goto err;
- }
+ /*
+ * A new gid requires privilege, so we need to do this before setting
+ * the uid.
+ */
if (td->o.gid != -1U && setgid(td->o.gid)) {
td_verror(td, errno, "setgid");
goto err;
}
+ if (td->o.uid != -1U && setuid(td->o.uid)) {
+ td_verror(td, errno, "setuid");
+ goto err;
+ }
/*
* May alter parameters that init_io_u() will use, so we need to
todo--;
} else {
struct fio_file *f;
- unsigned int i;
+ unsigned int j;
/*
* for sharing to work, each job must always open
* its own files. so close them, if we opened them
* for creation
*/
- for_each_file(td, f, i) {
+ for_each_file(td, f, j) {
if (fio_file_open(f))
td_io_close_file(td, f);
}
return 1;
set_genesis_time();
-
- posix_timer_setup();
- status_timer_arm();
+ create_disk_util_thread();
cgroup_list = smalloc(sizeof(*cgroup_list));
INIT_FLIST_HEAD(cgroup_list);
sfree(cgroup_list);
sfree(cgroup_mnt);
- posix_timer_teardown();
fio_mutex_remove(startup_mutex);
fio_mutex_remove(writeout_mutex);
return exit_value;