diff options
Diffstat (limited to 'agent/call-pinentry.c')
| -rw-r--r-- | agent/call-pinentry.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/agent/call-pinentry.c b/agent/call-pinentry.c index cf0112833..7193db799 100644 --- a/agent/call-pinentry.c +++ b/agent/call-pinentry.c @@ -300,6 +300,40 @@ start_pinentry (ctrl_t ctrl) return 0; } +/* Returns True is the pinentry is currently active. If WAITSECONDS is + greater than zero the function will wait for this many seconds + before returning. */ +int +pinentry_active_p (ctrl_t ctrl, int waitseconds) +{ + if (waitseconds > 0) + { + pth_event_t evt; + int rc; + + evt = pth_event (PTH_EVENT_TIME, pth_timeout (waitseconds, 0)); + if (!pth_mutex_acquire (&entry_lock, 0, evt)) + { + if (pth_event_occurred (evt)) + rc = gpg_error (GPG_ERR_TIMEOUT); + else + rc = gpg_error (GPG_ERR_INTERNAL); + pth_event_free (evt, PTH_FREE_THIS); + return rc; + } + pth_event_free (evt, PTH_FREE_THIS); + } + else + { + if (!pth_mutex_acquire (&entry_lock, 1, NULL)) + return gpg_error (GPG_ERR_LOCKED); + } + + if (!pth_mutex_release (&entry_lock)) + log_error ("failed to release the entry lock at %d\n", __LINE__); + return 0; +} + static int getpin_cb (void *opaque, const void *buffer, size_t length) |