/[pcre]/code/trunk/doc/pcrejit.3
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revision 685 by ph10, Tue Sep 6 15:02:07 2011 UTC revision 686 by ph10, Tue Sep 6 16:06:36 2011 UTC
# Line 149  is given when there is not enough stack. Line 149  is given when there is not enough stack.
149  managing blocks of memory for use as JIT stacks.  managing blocks of memory for use as JIT stacks.
150  .P  .P
151  The \fBpcre_jit_stack_alloc()\fP function creates a JIT stack. Its arguments  The \fBpcre_jit_stack_alloc()\fP function creates a JIT stack. Its arguments
152  are a starting size and a maximum size, and it returns an opaque value  are a starting size and a maximum size, and it returns a pointer to an opaque
153  of type \fBpcre_jit_stack\fP that represents a JIT stack, or NULL if there is  structure of type \fBpcre_jit_stack\fP, or NULL if there is an error. The
154  an error. The \fBpcre_jit_stack_free()\fP function can be used to free a stack  \fBpcre_jit_stack_free()\fP function can be used to free a stack that is no
155  that is no longer needed. (For the technically minded: the address space is  longer needed. (For the technically minded: the address space is allocated by
156  allocated by mmap or VirtualAlloc.)  mmap or VirtualAlloc.)
157  .P  .P
158  JIT uses far less memory for recursion than the interpretive code,  JIT uses far less memory for recursion than the interpretive code,
159  and a maximum stack size of 512K to 1M should be more than enough for any  and a maximum stack size of 512K to 1M should be more than enough for any

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