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Commit Graph

12 Commits

Author SHA1 Message Date
Pavel Březina
683c44a79f tevent: add event trace api
Adds new tracing API to trace fd, timer, signal and immediate events
on specific trace points: attach, before handler and dettach.

This can be used in combination with the event tag to keep track
of the currently executed event for purpose of debugging.

Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>

Signed-off-by: Pavel Březina <pbrezina@redhat.com>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
2021-07-07 05:07:30 +00:00
Pavel Březina
fc9dd8ce9f tevent: add custom tag to events
Adds a new API to set and get an uint64_t tag on fd, timer, signal and
immediate events. This can be used to assign a unique and known id to
the event to allow easy tracking of such event.

Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>

Signed-off-by: Pavel Březina <pbrezina@redhat.com>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
2021-07-07 05:07:30 +00:00
Stefan Metzmacher
168079b2c3 tevent: deprecate tevent_wrapper api again
Samba doesn't use it anymore and we don't want to
invite new users of that api without further discussion.

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>

Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Sat Jan 12 03:12:09 CET 2019 on sn-devel-144
2019-01-12 03:12:09 +01:00
Stefan Metzmacher
ac9569b1a6 tevent: add tevent_context_wrapper_create() infrastructure
This allows to specify wrapper tevent_contexts, which adds the ability
to run functions before and after the event handler functions.

This can be used to implement impersonation hooks
or advanced debugging/profiling hooks.

We'll undo the 0.9.36 ABI change on the 0.9.37 release
at the end of this patchset.

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
2018-07-11 23:04:21 +02:00
Stefan Metzmacher
072e3b28ce tevent: split out tevent_common_invoke_fd_handler()
We'll undo the 0.9.36 ABI change on the 0.9.37 release
at the end of this patchset.

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
2018-07-11 23:04:21 +02:00
Stefan Metzmacher
049a06e621 tevent: use struct initializers for tevent_fd
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
2018-07-11 23:04:18 +02:00
Stephen Gallagher
d6a41c2723 Return NULL if tevent_add_fd() is passed a negative fd
Autobuild-User: Simo Sorce <idra@samba.org>
Autobuild-Date: Mon Feb 14 17:47:03 CET 2011 on sn-devel-104
2011-02-14 17:47:03 +01:00
Michael Adam
5270efab1a tevent: fix a comment
Michael
2009-08-19 11:39:44 +02:00
Stefan Metzmacher
6211162d3e lib/tevent: change to LGPLv3+
metze
2009-02-16 08:53:25 +01:00
Stefan Metzmacher
ceac26008c tevent: keep a linked list of fd_events
metze
2009-01-05 22:44:53 +01:00
Stefan Metzmacher
e45ed828d0 tevent: add tevent_fd_set_close_fn()
Let callers specify a close function
as an alternative to TEVENT_FD_AUTOCLOSE.

metze
2009-01-03 19:58:51 +01:00
Stefan Metzmacher
e928d863e2 tevent: move some common tevent_fd related functions into tevent_fd.c
metze
2009-01-03 19:58:50 +01:00