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Neels Hofmeyr gerrit-no-reply at lists.osmocom.orgHello Harald Welte, Jenkins Builder, I'd like you to reexamine a change. Please visit https://gerrit.osmocom.org/13143 to look at the new patch set (#2). Change subject: fsm: add osmo_fsm_inst_state_chg_keep_or_start_timer() ...................................................................... fsm: add osmo_fsm_inst_state_chg_keep_or_start_timer() During FSM design for osmo-msc, I noticed that the current behavior that keep_timer=true doesn't guarantee a running timer can make FSM design a bit complex, especially when using osmo_tdef for timeout definitions. A desirable keep_timer=true behavior is one that keeps the previous timer running, but starts a timer if no timer is running yet. The simplest example is: a given state repeatedly transitions back to itself, but wants to set a timeout only on first entering, avoiding to restart the timeout on re-entering. Another example is a repeated transition between two or more states, where the first time we enter this group a timeout should start, but it should not restart from scratch on every transition. When using osmo_tdef timeout definitions for this, so far separate meaningless states have to be introduced that merely set a fixed timeout. To simplify, add osmo_fsm_inst_state_chg_keep_or_start_timer(), and use this in osmo_tdef_fsm_inst_state_chg() when both keep_timer == true *and* T != 0. In tdef_test.ok, the changes show that on first entering state L, the previous T=1 is now kept with a large remaining timeout. When entering state L from O, where no timer was running, this time L's T123 is started. Change-Id: Id647511a4b18e0c4de0e66fb1f35dc9adb9177db --- M include/osmocom/core/fsm.h M src/fsm.c M src/tdef.c M tests/tdef/tdef_test.ok M tests/tdef/tdef_test_range_64bit.ok 5 files changed, 76 insertions(+), 17 deletions(-) git pull ssh://gerrit.osmocom.org:29418/libosmocore refs/changes/43/13143/2 -- To view, visit https://gerrit.osmocom.org/13143 To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: libosmocore Gerrit-Branch: master Gerrit-MessageType: newpatchset Gerrit-Change-Id: Id647511a4b18e0c4de0e66fb1f35dc9adb9177db Gerrit-Change-Number: 13143 Gerrit-PatchSet: 2 Gerrit-Owner: Neels Hofmeyr <nhofmeyr at sysmocom.de> Gerrit-Reviewer: Harald Welte <laforge at gnumonks.org> Gerrit-Reviewer: Jenkins Builder (1000002) -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/gerrit-log/attachments/20190308/bc9f501c/attachment.htm>