141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
|
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
|
-
+
+
+
+
+
+
+
+
+
-
+
|
(define (lock-queue:release-lock fname test-id #!key (count 10))
(let* ((dbdat (lock-queue:open-db fname)))
(handle-exceptions
exn
(begin
(debug:print 0 "WARNING: Failed to release queue lock. Will try again in few seconds")
(debug:print 0 " message: " ((condition-property-accessor 'exn 'message) exn))
(thread-sleep! 10)
(thread-sleep! (/ count 10))
(if (> count 0)
(begin
(sqlite3:finalize! (lock-queue:db-dat-get-db dbdat))
(lock-queue:release-lock fname test-id count: (- count 1)))
(let ((journal (conc fname "-journal")))
;; If we've tried ten times and failed there is a serious problem
;; try to remove the lock db and allow it to be recreated
(handle-exceptions
exn
#f
(if (file-exists? journal)(delete-file journal))
(if (file-exists? fname) (delete-file fname))
#f))
#f))))
(sqlite3:execute (lock-queue:db-dat-get-db dbdat) "DELETE FROM runlocks WHERE test_id=?;" test-id)
(sqlite3:finalize! (lock-queue:db-dat-get-db dbdat)))))
(define (lock-queue:steal-lock dbdat test-id #!key (count 10))
(debug:print-info 0 "Attempting to steal lock at " (lock-queue:db-dat-get-path dbdat))
(tasks:wait-on-journal (lock-queue:db-dat-get-path dbdat) 1200 "lock-queue:steal-lock; waiting on journal")
(handle-exceptions
|