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| author | Nikolaos S. Papaspyrou <[email protected]> | 2014-03-14 11:32:46 +0200 |
|---|---|---|
| committer | Björn-Egil Dahlberg <[email protected]> | 2015-11-17 14:45:45 +0100 |
| commit | 8d02ad60c88aa060ff83ff3179bc8c0ab66868ee (patch) | |
| tree | 3368a591afaa2d23c9d7b38d70f80dc42785ccbb /lib/kernel | |
| parent | 7141fa8e4534ab7e4dcc3cad6c46872efa0e6e66 (diff) | |
| download | otp-8d02ad60c88aa060ff83ff3179bc8c0ab66868ee.tar.gz otp-8d02ad60c88aa060ff83ff3179bc8c0ab66868ee.tar.bz2 otp-8d02ad60c88aa060ff83ff3179bc8c0ab66868ee.zip | |
Add machinery to enable SHCOPY dynamically
This commit is just for debugging purposes, will probably be reverted.
It comes with a the erts_debug:copy_shared/1 BIF. If SHCOPY_DISABLE
is defined, SHCOPY starts disabled and is dynamically enabled the first
time that the BIF is called.
Diffstat (limited to 'lib/kernel')
| -rw-r--r-- | lib/kernel/src/erts_debug.erl | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/lib/kernel/src/erts_debug.erl b/lib/kernel/src/erts_debug.erl index 5e1cc09e7d..87f001fdf4 100644 --- a/lib/kernel/src/erts_debug.erl +++ b/lib/kernel/src/erts_debug.erl @@ -35,7 +35,7 @@ dump_monitors/1, dump_links/1, flat_size/1, get_internal_state/1, instructions/0, lock_counters/1, map_info/1, same/2, set_internal_state/2, - size_shared/1]). + size_shared/1, copy_shared/1]). -spec breakpoint(MFA, Flag) -> non_neg_integer() when MFA :: {Module :: module(), @@ -93,6 +93,12 @@ flat_size(_) -> size_shared(_) -> erlang:nif_error(undef). +-spec copy_shared(Term) -> term() when + Term :: term(). + +copy_shared(_) -> + erlang:nif_error(undef). + -spec get_internal_state(W) -> term() when W :: reds_left | node_and_dist_references | monitoring_nodes | next_pid | 'DbTable_words' | check_io_debug |