On Wed, 2 Mar 2011, 吴仁科 wrote:
>
> Dear PCRE developers:
> These days i used Pcre for multiple threads designing.I created 4
> threads in a 4 nuclear CPU to match Regular
> Expression , but it couldn't raise the peed when i just created one
> thread.Could PCRE be used in several threads at the same time?
> Thank you .
This text is an extract from the "man pcreapi":
MULTITHREADING
The PCRE functions can be used in multi-threading applications, with
the proviso that the memory management functions pointed to by
pcre_malloc, pcre_free, pcre_stack_malloc, and pcre_stack_free, and the
callout function pointed to by pcre_callout, are shared by all threads.
The compiled form of a regular expression is not altered during match-
ing, so the same compiled pattern can safely be used by several threads
at once.
--
Philip Hazel--
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