/*
* Close out the log.
*/
static void
filemon_close_log(struct filemon *filemon)
{
struct file *fp;
struct timeval now;
size_t len;
sx_assert(&filemon->lock, SA_XLOCKED);
if (filemon->fp == NULL)
return;
getmicrotime(&now);
len = snprintf(filemon->msgbufr,
sizeof(filemon->msgbufr),
"# Stop %ju.%06ju\n# Bye bye\n",
(uintmax_t)now.tv_sec, (uintmax_t)now.tv_usec);
filemon_output(filemon, filemon->msgbufr, len);
fp = filemon->fp;
filemon->fp = NULL;
sx_xunlock(&filemon->lock);
fdrop(fp, curthread);
sx_xlock(&filemon->lock);
}
static int
filemon_wrapper_chdir(struct thread *td, struct chdir_args *uap)
{
int error, ret;
size_t len;
struct filemon *filemon;
if ((ret = sys_chdir(td, uap)) == 0) {
if ((filemon = filemon_proc_get(curproc)) != NULL) {
if ((error = copyinstr(uap->path, filemon->fname1,
sizeof(filemon->fname1), NULL)) != 0) {
filemon->error = error;
goto copyfail;
}
len = snprintf(filemon->msgbufr,
sizeof(filemon->msgbufr), "C %d %s\n",
curproc->p_pid, filemon->fname1);
filemon_output(filemon, filemon->msgbufr, len);
copyfail:
filemon_drop(filemon);
}
}
return (ret);
}
static void
filemon_write_header(struct filemon *filemon)
{
int len;
struct timeval now;
getmicrotime(&now);
len = snprintf(filemon->msgbufr, sizeof(filemon->msgbufr),
"# filemon version %d\n# Target pid %d\n# Start %ju.%06ju\nV %d\n",
FILEMON_VERSION, curproc->p_pid, (uintmax_t)now.tv_sec,
(uintmax_t)now.tv_usec, FILEMON_VERSION);
filemon_output(filemon, filemon->msgbufr, len);
}
