Non-blocking lock macros injection in builtins

1a0a71d1 · gsamain · Xavier Thompson · 6859127e · 1a0a71d1
Commit 1a0a71d1 authored Jun 20, 2019 by gsamain Committed by Xavier Thompson Aug 17, 2020
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Cython/Compiler/Builtin.py Cython/Compiler/Builtin.py +3 -0

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--- a/Cython/Compiler/Builtin.py
+++ b/Cython/Compiler/Builtin.py
@@ -427,6 +427,9 @@ def inject_cypclass_lock_macros():
    blocking_macro_type = PyrexTypes.CFuncType(PyrexTypes.c_void_type, [PyrexTypes.CFuncTypeArg("obj", PyrexTypes.cy_object_type, None)], nogil = 1)
    for macro in ("Cy_RLOCK", "Cy_WLOCK", "Cy_UNLOCK"):
        builtin_scope.declare_builtin_cfunction(macro, blocking_macro_type, macro)
+    nonblocking_macro_type = PyrexTypes.CFuncType(PyrexTypes.c_int_type, [PyrexTypes.CFuncTypeArg("obj", PyrexTypes.cy_object_type, None)], nogil = 1)
+    for macro in ("Cy_TRYRLOCK", "Cy_TRYWLOCK"):
+        builtin_scope.declare_builtin_cfunction(macro, nonblocking_macro_type, macro)

 def init_builtins():
    init_builtin_structs()