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Use with-exception-handler in place of with-throw-handler

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This commit is contained in:
Christopher Baines 2025-02-25 10:38:10 +00:00
parent 1da2a09cfb
commit e591346684
7 changed files with 109 additions and 98 deletions
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42
guix-data-service/database.scm
View file

@ -180,8 +180,11 @@
(define* (with-postgresql-connection name f #:key (statement-timeout #f))
(let ((conn (open-postgresql-connection name statement-timeout)))
(with-throw-handler
#t
(with-exception-handler
(lambda (exn)
(pg-conn-finish conn)
(decrement-connection-gauge name)
(raise-exception exn))
(lambda ()
(call-with-values
(lambda ()
@ -191,10 +194,7 @@
(decrement-connection-gauge name)
(apply values vals))))
(lambda (key . args)
(pg-conn-finish conn)
(decrement-connection-gauge name)))))
(apply values vals)))))))
(define %postgresql-connection-parameters
(make-parameter #f))
@ -209,15 +209,20 @@
#:key always-rollback?)
(exec-query conn "BEGIN;")
(with-throw-handler #t
(with-exception-handler
(lambda (exn)
(with-exception-handler
(const #f)
(lambda ()
(exec-query conn "ROLLBACK;"))
#:unwind? #t)
(raise-exception exn))
(lambda ()
(let ((result (f conn)))
(exec-query conn (if always-rollback?
"ROLLBACK;"
"COMMIT;"))
result))
(lambda (key . args)
(exec-query conn "ROLLBACK;"))))
result))))
(define (check-test-database! conn)
(match (exec-query conn "SELECT current_database()")
@ -247,17 +252,22 @@
(exec-query conn
"SELECT pg_advisory_lock($1)"
(list lock-number))
(with-throw-handler #t
(with-exception-handler
(lambda (exn)
(with-exception-handler
(const #f)
(lambda ()
(exec-query conn
"SELECT pg_advisory_unlock($1)"
(list lock-number)))
#:unwind? #t)
(raise-exception exn))
(lambda ()
(let ((result (f)))
(exec-query conn
"SELECT pg_advisory_unlock($1)"
(list lock-number))
result))
(lambda (key . args)
(exec-query conn
"SELECT pg_advisory_unlock($1)"
(list lock-number))))))
result)))))
(define (with-advisory-session-lock/log-time conn lock f)
(simple-format #t "debug: Acquiring advisory session lock: ~A\n" lock)

10
guix-data-service/poll-git-repository.scm
View file

@ -22,6 +22,7 @@
#:use-module (srfi srfi-71)
#:use-module (ice-9 threads)
#:use-module (squee)
#:use-module (knots)
#:use-module (git)
#:use-module (guix git)
#:use-module (guix channels)
@ -57,11 +58,12 @@
(simple-format #t "exception when polling git repository (~A): ~A\n"
git-repository-id exn))
(lambda ()
(with-throw-handler #t
(with-exception-handler
(lambda (exn)
(print-backtrace-and-exception/knots exn)
(raise-exception exn))
(lambda ()
(poll-git-repository conn git-repository-id))
(lambda _
(backtrace))))
(poll-git-repository conn git-repository-id))))
#:unwind? #t)
(and=>

33
guix-data-service/substitutes.scm
View file

@ -27,6 +27,7 @@
#:use-module (guix narinfo)
#:use-module ((guix build syscalls)
#:select (set-thread-name))
#:use-module (knots)
#:use-module (guix-data-service utils)
#:use-module (guix-data-service database)
#:use-module (guix-data-service model build)
@ -56,17 +57,18 @@
(member id build-server-ids))
(when lookup-all-derivations?
(simple-format #t "\nQuerying ~A\n" url)
(with-throw-handler #t
(with-exception-handler
(lambda (exn)
(simple-format
(current-error-port)
"exception in query-build-server ~A ~A\n"
id url)
(print-backtrace-and-exception/knots exn)
(raise-exception exn))
(lambda ()
(fetch-narinfo-files conn id url revision-commits
#:specific-outputs
outputs))
(lambda (key . args)
(simple-format
(current-error-port)
"exception in query-build-server: ~A ~A\n"
key args)
(backtrace)))))))
outputs)))))))
build-servers))))
(define %narinfo-max-size
@ -167,14 +169,17 @@
(sleep 1))
(while #t
(with-exception-handler
(lambda (exn)
#f)
(lambda ()
(with-exception-handler
(lambda (exn)
(simple-format
(current-error-port)
"exception in request substitute query thread: ~A\n"
exn))
(lambda ()
(with-throw-handler #t
"exception in request substitute query thread:\n")
(print-backtrace-and-exception/knots exn)
(raise-exception exn))
(lambda ()
(with-postgresql-connection
"request-substitute-query-thread"
@ -200,9 +205,7 @@
conn
(list build-server-id)
#f
outputs))))))))
(lambda _
(backtrace))))
outputs))))))))))
#:unwind? #t))))
(call-with-new-thread

11
guix-data-service/web/build-server/controller.scm
View file

@ -22,6 +22,7 @@
#:use-module (json)
#:use-module (squee)
#:use-module (fibers)
#:use-module (knots)
#:use-module (knots resource-pool)
#:use-module (prometheus)
#:use-module (guix-data-service utils)
@ -134,12 +135,12 @@
"exception in build event handler: ~A\n"
exn))
(lambda ()
(with-throw-handler #t
(with-exception-handler
(lambda (exn)
(print-backtrace-and-exception/knots exn)
(raise-exception exn))
(lambda ()
(handler conn))
(lambda _
(display (backtrace) (current-error-port))
(display "\n" (current-error-port)))))
(handler conn))))
#:unwind? #t))
#:timeout #f))))

24
scripts/guix-data-service-process-branch-updated-email.in
View file

@ -27,6 +27,7 @@
(rnrs bytevectors)
(squee)
(email email)
(knots)
(guix-data-service database)
(guix-data-service branch-updated-emails))
@ -35,20 +36,17 @@
(lambda (conn)
(let* ((email-bytevector
(get-bytevector-all (current-input-port))))
(catch
#t
(with-exception-handler
(lambda _ #f)
(lambda ()
(with-throw-handler #t
(with-exception-handler
(lambda (exn)
(display "\nerror: while parsing email\n"
(current-error-port))
(print-backtrace-and-exception/knots exn)
(raise-exception exn))
(lambda ()
(enqueue-job-for-email
conn
(parse-email email-bytevector)))
(lambda (key . args)
(display "\nerror: while parsing email\n"
(current-error-port))
(simple-format (current-error-port)
"~A: ~A\n\n"
key
args)
(display-backtrace (make-stack #t) (current-error-port)))))
(lambda (key . args) #f)))))
(parse-email email-bytevector)))))
#:unwind? #t))))

25
scripts/guix-data-service-process-branch-updated-mbox.in
View file

@ -27,6 +27,7 @@
(rnrs bytevectors)
(squee)
(email email)
(knots)
(guix-data-service database)
(guix-data-service model git-repository)
(guix-data-service branch-updated-emails))
@ -52,23 +53,21 @@ a x_git_repo_header value\n"
(for-each
(lambda (email-bytevector)
(display "." (current-error-port))
(catch
#t
(with-exception-handler
(lambda (exn)
#f)
(lambda ()
(with-throw-handler #t
(with-exception-handler
(lambda (exn)
(display "\nerror: while parsing email\n"
(current-error-port))
(print-backtrace-and-exception/knots exn)
(raise-exception exn))
(lambda ()
(enqueue-job-for-email
conn
(parse-email email-bytevector)))
(lambda (key . args)
(display "\nerror: while parsing email\n"
(current-error-port))
(simple-format (current-error-port)
"~A: ~A\n\n"
key
args)
(display-backtrace (make-stack #t) (current-error-port)))))
(lambda (key . args) #f)))
(parse-email email-bytevector)))))
#:unwind? #t))
(call-with-input-file file
mbox->emails))

14
scripts/guix-data-service-process-jobs.in
View file

@ -25,6 +25,7 @@
(use-modules (srfi srfi-1)
(srfi srfi-37)
(ice-9 match)
(knots)
(guix-data-service database)
(guix-data-service jobs))
@ -110,13 +111,12 @@
(simple-format #t "Ready to process jobs...\n")
(with-exception-handler
(lambda (exn)
(simple-format
(current-error-port)
"exception: ~A\n"
exn)
(exit 1))
(lambda ()
(with-throw-handler #t
(with-exception-handler
(lambda (exn)
(print-backtrace-and-exception/knots exn)
(raise-exception exn))
(lambda ()
(process-jobs
conn
@ -140,7 +140,5 @@
#:free-space-requirement
(assq-ref opts 'free-space-requirement)
#:timeout
(assq-ref opts 'timeout)))
(lambda _
(backtrace))))
(assq-ref opts 'timeout)))))
#:unwind? #t))))