upstream/mercurial-mirror Files · tests/test-hup.t

tests: make test-hup more race-proof...

tests: make test-hup more race-proof We need to wait until a journal exists AND is non-empty before aborting a transaction to get stable output. We move the kill wait outside the fifo block to avoid potential deadlock.

Matt Mackall - - Load All Authors

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      Test hangup signal in the middle of transaction

        $ "$TESTDIR/hghave" serve fifo || exit 80

        $ hg init

        $ mkfifo p

        $ hg serve --stdio < p 1>out 2>&1 &

        $ P=$!

      Do test while holding fifo open

        $ (

        > echo lock

        > echo addchangegroup

        > while [ ! -s .hg/store/journal ]; do true; done

        > kill -HUP $P

        > ) > p

        $ while kill -0 $P 2>/dev/null; do true; done

        $ cat out

        0

        0

        adding changesets

        transaction abort!

        rollback completed

        killed!

        $ echo .hg/* .hg/store/*

        .hg/00changelog.i .hg/journal.bookmarks .hg/journal.branch .hg/journal.desc .hg/journal.dirstate .hg/requires .hg/store .hg/store/00changelog.i .hg/store/00changelog.i.a .hg/store/journal.phaseroots

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				Test hangup signal in the middle of transaction

				$ "$TESTDIR/hghave" serve fifo \|\| exit 80
				$ hg init
				$ mkfifo p
				$ hg serve --stdio < p 1>out 2>&1 &
				$ P=$!

				Do test while holding fifo open

				$ (
				> echo lock
				> echo addchangegroup
				> while [ ! -s .hg/store/journal ]; do true; done
				> kill -HUP $P
				> ) > p

				$ while kill -0 $P 2>/dev/null; do true; done
				$ cat out
				0
				0
				adding changesets
				transaction abort!
				rollback completed
				killed!

				$ echo .hg/* .hg/store/*
				.hg/00changelog.i .hg/journal.bookmarks .hg/journal.branch .hg/journal.desc .hg/journal.dirstate .hg/requires .hg/store .hg/store/00changelog.i .hg/store/00changelog.i.a .hg/store/journal.phaseroots