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Create an iterator over every open tdb (not internal TDBs). This is
useful for re-establishing the tdb1-style active lock for
CLEAR_IF_FIRST.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
(Imported from CCAN commit 1a0c636bc38213bd0322db47529f78f2dc22ffdd)
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This makes it easy to call it again after a fork(), such as for
re-establishing the CLEAR_IF_FIRST files locks.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
(Imported from CCAN commit 937d0babe99dcd315040a9e48430140e63e4a7df)
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You can only unset it if the TDB was originally opened O_RDWR.
Also, cleaned up error handling in tdb_allrecord_lock() so we only get
one log message on a r/o database.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
(Imported from CCAN commit b87e14495d5b07e1b247218a72329f10ecb3da7f)
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Since we've deprecated tdb_error() function (and it didn't work right
from inside the logging function anyway, since we didn't set
tdb->ecode yet) we need to hand it to the log function.
(Imported from CCAN commit 6e3d9e8a66bf8b45150500f176452ee8e9ee9927)
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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We use off_t in the tdb2 interface (for tdb_attribute_flock); we need
to make sure that all callers agree on the size.
This also causes a problem in the tests: it's not enough to include
config.h first, we need the _FILE_OFFSET_BITS define from private.h.
Otherwise, we can disagree about the definitions of F_SETLK, F_SETLKW
and off_t, causing strange problems.
(Imported from CCAN commit baa17ee2d5e01a32030f19e566007417d72b4b6e)
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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This is a bit messy, but it works. Kept as a separate patch so it's
easier to merge back and forth with CCAN's tdb2.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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