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author | Micael Karlberg <[email protected]> | 2011-03-17 12:19:57 +0100 |
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committer | Micael Karlberg <[email protected]> | 2011-03-17 12:19:57 +0100 |
commit | 6b1d1ab0a27e9ed08a626e18319beb91d0a0d5ce (patch) | |
tree | 82e54daec07390bb4cad8b279e0e8d1fd0170b78 /lib/dialyzer/test/race_tests_SUITE_data/src/mnesia_dirty_read_write_double4.erl | |
parent | 4f42486c2f94860c1aa8152562760b6a2aa7c5cb (diff) | |
parent | f861b4fdb3fd39e35f2951c53a73b30a98c7f973 (diff) | |
download | otp-6b1d1ab0a27e9ed08a626e18319beb91d0a0d5ce.tar.gz otp-6b1d1ab0a27e9ed08a626e18319beb91d0a0d5ce.tar.bz2 otp-6b1d1ab0a27e9ed08a626e18319beb91d0a0d5ce.zip |
Merge branch 'dev' into bmk/inets/ftp/missing_spec_causes_dialyxer_problems/OTP-9114
Also fixed a bunch of "end-years" (was 2010 but should have been 2011,
which the commit hook not happy with).
Diffstat (limited to 'lib/dialyzer/test/race_tests_SUITE_data/src/mnesia_dirty_read_write_double4.erl')
-rw-r--r-- | lib/dialyzer/test/race_tests_SUITE_data/src/mnesia_dirty_read_write_double4.erl | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/lib/dialyzer/test/race_tests_SUITE_data/src/mnesia_dirty_read_write_double4.erl b/lib/dialyzer/test/race_tests_SUITE_data/src/mnesia_dirty_read_write_double4.erl new file mode 100644 index 0000000000..96752a6045 --- /dev/null +++ b/lib/dialyzer/test/race_tests_SUITE_data/src/mnesia_dirty_read_write_double4.erl @@ -0,0 +1,25 @@ +%% This tests the presence of possible races due to an mnesia:dirty_read/ +%% mnesia:dirty_write combination. It takes into account multiple +%% mnesia:dirty_writes that might exist. + +-module(mnesia_dirty_read_write_double4). +-export([raise/3]). + +-record(employee, {emp_no, + name, + salary, + sex, + phone, + room_no}). + + +raise(Eno, Raise, Room) -> + [E] = mnesia:dirty_read(employee, Eno), + Salary = E#employee.salary + Raise, + New = E#employee{salary = Salary}, + mnesia:dirty_write(New), + move(E, Room). + +move(E, Room) -> + New = E#employee{room_no = Room}, + mnesia:dirty_write(New). |