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| author | Rickard Green <[email protected]> | 2017-04-05 14:32:16 +0200 |
|---|---|---|
| committer | Rickard Green <[email protected]> | 2017-04-07 15:02:10 +0200 |
| commit | 8f452530e61b299d4d48f82f41ab5364723607ae (patch) | |
| tree | 29bc2e4cfac2bcd5fdc4cdee4996a39350a1a32a /erts/emulator/test | |
| parent | 671d690debf653a6b1e86c3e7880b9c5640b1324 (diff) | |
| download | otp-8f452530e61b299d4d48f82f41ab5364723607ae.tar.gz otp-8f452530e61b299d4d48f82f41ab5364723607ae.tar.bz2 otp-8f452530e61b299d4d48f82f41ab5364723607ae.zip | |
Stack guard for PCRE
Diffstat (limited to 'erts/emulator/test')
| -rw-r--r-- | erts/emulator/test/erts_debug_SUITE.erl | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/erts/emulator/test/erts_debug_SUITE.erl b/erts/emulator/test/erts_debug_SUITE.erl index 23871585f7..c9c664de38 100644 --- a/erts/emulator/test/erts_debug_SUITE.erl +++ b/erts/emulator/test/erts_debug_SUITE.erl @@ -23,14 +23,15 @@ -export([all/0, suite/0, test_size/1,flat_size_big/1,df/1,term_type/1, - instructions/1]). + instructions/1, stack_check/1]). suite() -> [{ct_hooks,[ts_install_cth]}, {timetrap, {minutes, 2}}]. all() -> - [test_size, flat_size_big, df, instructions, term_type]. + [test_size, flat_size_big, df, instructions, term_type, + stack_check]. test_size(Config) when is_list(Config) -> ConsCell1 = id([a|b]), @@ -181,6 +182,15 @@ df(Config) when is_list(Config) -> true = (P0 == pps()), ok. +stack_check(Config) when is_list(Config) -> + erts_debug:set_internal_state(available_internal_state,true), + %% Recurses on the C stack until stacklimit is reached. That + %% is, tests that the stack limit functionality works (used + %% by PCRE). VM will crash if it doesn't work... + Size = erts_debug:get_internal_state(stack_check), + erts_debug:set_internal_state(available_internal_state,false), + {comment, "Stack size: "++integer_to_list(Size)++" bytes"}. + df_smoke([M|Ms]) -> io:format("~p", [M]), erts_debug:df(M), |