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| author | Sverker Eriksson <[email protected]> | 2017-02-03 15:22:48 +0100 |
|---|---|---|
| committer | Sverker Eriksson <[email protected]> | 2017-02-03 17:23:35 +0100 |
| commit | 3fe6f3c0caecec522c7e14353eda6bbb86c9e8d6 (patch) | |
| tree | 29710e0dcc08a4798d61027f2f7762a0fc275ad8 /erts/emulator/beam/dist.c | |
| parent | 69b928b12d9206d00879c08e46143f599f9dc34e (diff) | |
| download | otp-3fe6f3c0caecec522c7e14353eda6bbb86c9e8d6.tar.gz otp-3fe6f3c0caecec522c7e14353eda6bbb86c9e8d6.tar.bz2 otp-3fe6f3c0caecec522c7e14353eda6bbb86c9e8d6.zip | |
erts: Add deallocation veto for magic destructors
A magic destructor can return 0 and thereby take control
and prolong the lifetime of a magic binary.
Diffstat (limited to 'erts/emulator/beam/dist.c')
| -rw-r--r-- | erts/emulator/beam/dist.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/erts/emulator/beam/dist.c b/erts/emulator/beam/dist.c index 990edb274e..9e8f853279 100644 --- a/erts/emulator/beam/dist.c +++ b/erts/emulator/beam/dist.c @@ -713,7 +713,7 @@ static void clear_dist_entry(DistEntry *dep) } } -void erts_dsend_context_dtor(Binary* ctx_bin) +int erts_dsend_context_dtor(Binary* ctx_bin) { ErtsSendContext* ctx = ERTS_MAGIC_BIN_DATA(ctx_bin); switch (ctx->dss.phase) { @@ -730,6 +730,8 @@ void erts_dsend_context_dtor(Binary* ctx_bin) } if (ctx->dep_to_deref) erts_deref_dist_entry(ctx->dep_to_deref); + + return 1; } Eterm erts_dsend_export_trap_context(Process* p, ErtsSendContext* ctx) |