urbit/vere/save.c
Jōshin 3e7d344c01 Minor file-head cleanup
I removed anything that was in portable.h, specified proper path names,
and removed some now-wrong (?) public domain notices.
2019-01-13 22:42:00 -08:00

77 lines
1.3 KiB
C

/* vere/save.c
**
*/
#include <fcntl.h>
#include <sys/ioctl.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <termios.h>
#include <uv.h>
#include "all.h"
#include "vere/vere.h"
/* _save_time_cb(): timer callback.
*/
static void
_save_time_cb(uv_timer_t* tim_u)
{
u3_save* sav_u = &u3_Host.sav_u;
if ( sav_u->pid_w ) {
return;
}
if ( u3A->ent_d > sav_u->ent_d ) {
// uL(fprintf(uH, "autosaving... ent_d %" PRIu64 "\n", u3A->ent_d));
// u3e_grab("save", u3_none);
u3e_save();
sav_u->ent_d = u3A->ent_d;
}
}
/* u3_save_ef_chld(): report save termination.
*/
void
u3_save_ef_chld(void)
{
u3_save* sav_u = &u3_Host.sav_u;
c3_i loc_i;
c3_w pid_w;
/* modified for cases with no pid_w
*/
uL(fprintf(uH, "checkpoint: complete %d\n", sav_u->pid_w));
pid_w = wait(&loc_i);
if (0 != sav_u->pid_w) {
c3_assert(pid_w == sav_u->pid_w);
}
else {
c3_assert(pid_w > 0);
}
sav_u->pid_w = 0;
}
/* u3_save_io_init(): initialize autosave.
*/
void
u3_save_io_init(void)
{
u3_save* sav_u = &u3_Host.sav_u;
sav_u->ent_d = 0;
sav_u->pid_w = 0;
uv_timer_init(u3L, &sav_u->tim_u);
uv_timer_start(&sav_u->tim_u, _save_time_cb, 120000, 120000);
}
/* u3_save_io_exit(): terminate save I/O.
*/
void
u3_save_io_exit(void)
{
}