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| author | Gus Caplan <me@gus.host> | 2019-04-15 16:09:51 -0500 |
|---|---|---|
| committer | Sam Roberts <vieuxtech@gmail.com> | 2019-05-16 10:52:53 -0700 |
| commit | f2061930c83cb579410a7f26bed726d6568575e3 (patch) | |
| tree | ddcfcc116344fd03d5d04721df49eacb0059dd13 /src/node.h | |
| parent | cca375f4af235ed7e7f763b2e35532ae843a5854 (diff) | |
| download | android-node-v8-f2061930c83cb579410a7f26bed726d6568575e3.tar.gz android-node-v8-f2061930c83cb579410a7f26bed726d6568575e3.tar.bz2 android-node-v8-f2061930c83cb579410a7f26bed726d6568575e3.zip | |
src: enable V8's WASM trap handlers
This uses SIGSEGV handlers to catch WASM out of bound (OOB) memory
accesses instead of inserting OOB checks inline, resulting in a 25%-30%
speed increase.
Note that installing a custom SIGSEGV handler will break this, resulting
in potentially scary behaviour.
Refs: https://github.com/nodejs/node/issues/14927
PR-URL: https://github.com/nodejs/node/pull/27246
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Diffstat (limited to 'src/node.h')
| -rw-r--r-- | src/node.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/node.h b/src/node.h index 5af0655a84..73a3998285 100644 --- a/src/node.h +++ b/src/node.h @@ -66,6 +66,10 @@ #include <memory> +#ifdef __POSIX__ +#include <signal.h> +#endif // __POSIX__ + #define NODE_MAKE_VERSION(major, minor, patch) \ ((major) * 0x1000 + (minor) * 0x100 + (patch)) @@ -816,6 +820,17 @@ class NODE_EXTERN AsyncResource { async_context async_context_; }; +#ifdef __POSIX__ +// Register a signal handler without interrupting +// any handlers that node itself needs. +NODE_EXTERN +void RegisterSignalHandler(int signal, + void (*handler)(int signal, + siginfo_t* info, + void* ucontext), + bool reset_handler = false); +#endif // __POSIX__ + } // namespace node #endif // SRC_NODE_H_ |