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| -rw-r--r-- | src/ChangeLog | 5 | ||||
| -rw-r--r-- | src/w32.c | 7 |
2 files changed, 12 insertions, 0 deletions
diff --git a/src/ChangeLog b/src/ChangeLog index 44ebe76555..31d9066320 100644 --- a/src/ChangeLog +++ b/src/ChangeLog @@ -1,3 +1,8 @@ +2014-03-25 Eli Zaretskii <[email protected]> + + * w32.c (w32_delayed_load): Call DisableThreadLibraryCalls on the + DLL handle, to speed up thread startup. + 2014-03-25 Paul Eggert <[email protected]> Handle sigmask better with nested signal handlers (Bug#15561). @@ -8702,6 +8702,13 @@ w32_delayed_load (Lisp_Object library_id) /* Possibly truncated */ ? make_specified_string (name, -1, len, 1) : Qnil); + /* This prevents thread start and end notifications + from being sent to the DLL, for every thread we + start. We don't need those notifications because + threads we create never use any of these DLLs, only + the main thread uses them. This is supposed to + speed up thread creation. */ + DisableThreadLibraryCalls (dll_handle); break; } } |