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#ifndef XSH_OPS_H |
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#define XSH_OPS_H 1 |
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#include "caps.h" /* XSH_HAS_PERL() */ |
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#include "util.h" /* NOOP */ |
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#ifdef XSH_THREADS_H |
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# error threads.h must be loaded at the very end |
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#endif |
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#ifndef XSH_THREADS_GLOBAL_SETUP |
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# define XSH_THREADS_GLOBAL_SETUP 1 |
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#endif |
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#ifndef XSH_THREADS_GLOBAL_TEARDOWN |
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# define XSH_THREADS_GLOBAL_TEARDOWN 1 |
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#endif |
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#ifndef OpSIBLING |
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# ifdef OP_SIBLING |
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# define OpSIBLING(O) OP_SIBLING(O) |
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# else |
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# define OpSIBLING(O) ((O)->op_sibling) |
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# endif |
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#endif |
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#ifndef OpMAYBESIB_set |
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# define OpMAYBESIB_set(O, S, P) ((O)->op_sibling = (S)) |
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#endif |
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#ifndef OP_NAME |
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# define OP_NAME(O) (PL_op_name[(O)->op_type]) |
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#endif |
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#ifndef OP_CLASS |
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# define OP_CLASS(O) (PL_opargs[(O)->op_type] & OA_CLASS_MASK) |
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#endif |
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#if defined(OP_CHECK_MUTEX_LOCK) && defined(OP_CHECK_MUTEX_UNLOCK) |
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# define XSH_CHECK_LOCK OP_CHECK_MUTEX_LOCK |
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# define XSH_CHECK_UNLOCK OP_CHECK_MUTEX_UNLOCK |
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#elif XSH_HAS_PERL(5, 9, 3) |
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# define XSH_CHECK_LOCK OP_REFCNT_LOCK |
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# define XSH_CHECK_UNLOCK OP_REFCNT_UNLOCK |
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#else |
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/* Before perl 5.9.3, da_ck_*() calls are already protected by the XSH_LOADED |
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* mutex, which falls back to the OP_REFCNT mutex. Make sure we don't lock it |
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* twice. */ |
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# define XSH_CHECK_LOCK NOOP |
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# define XSH_CHECK_UNLOCK NOOP |
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#endif |
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typedef OP *(*xsh_check_t)(pTHX_ OP *); |
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#ifdef wrap_op_checker |
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# define xsh_ck_replace(T, NC, OCP) wrap_op_checker((T), (NC), (OCP)) |
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#else |
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static void xsh_ck_replace(pTHX_ OPCODE type, xsh_check_t new_ck, xsh_check_t *old_ck_p) { |
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#define xsh_ck_replace(T, NC, OCP) xsh_ck_replace(aTHX_ (T), (NC), (OCP)) |
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XSH_CHECK_LOCK; |
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if (!*old_ck_p) { |
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*old_ck_p = PL_check[type]; |
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PL_check[type] = new_ck; |
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} |
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XSH_CHECK_UNLOCK; |
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} |
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#endif |
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static void xsh_ck_restore(pTHX_ OPCODE type, xsh_check_t *old_ck_p) { |
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#define xsh_ck_restore(T, OCP) xsh_ck_restore(aTHX_ (T), (OCP)) |
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XSH_CHECK_LOCK; |
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if (*old_ck_p) { |
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PL_check[type] = *old_ck_p; |
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*old_ck_p = 0; |
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} |
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XSH_CHECK_UNLOCK; |
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} |
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#endif /* XSH_OPS_H */ |