use libdbm.nfs.a if available (libdbm.a is missing dbmclose())

[p5sagit/p5-mst-13.2.git] / cv.h

diff --git a/cv.h b/cv.h
index 7042708..67d4a8e 100644 (file)
--- a/cv.h
+++ b/cv.h
@@ -62,6 +62,7 @@ struct xpvcv {
                                   (esp. useful for special XSUBs) */
 #define CVf_METHOD     0x0040  /* CV is explicitly marked as a method */
 #define CVf_LOCKED     0x0080  /* CV locks itself or first arg on entry */
+#define CVf_LVALUE     0x0100  /* CV return value can be used as lvalue */
 
 #define CvCLONE(cv)            (CvFLAGS(cv) & CVf_CLONE)
 #define CvCLONE_on(cv)         (CvFLAGS(cv) |= CVf_CLONE)
@@ -97,6 +98,10 @@ struct xpvcv {
 #define CvLOCKED_on(cv)                (CvFLAGS(cv) |= CVf_LOCKED)
 #define CvLOCKED_off(cv)       (CvFLAGS(cv) &= ~CVf_LOCKED)
 
+#define CvLVALUE(cv)           (CvFLAGS(cv) & CVf_LVALUE)
+#define CvLVALUE_on(cv)                (CvFLAGS(cv) |= CVf_LVALUE)
+#define CvLVALUE_off(cv)       (CvFLAGS(cv) &= ~CVf_LVALUE)
+
 #define CvEVAL(cv)             (CvUNIQUE(cv) && !SvFAKE(cv))
 #define CvEVAL_on(cv)          (CvUNIQUE_on(cv),SvFAKE_off(cv))
 #define CvEVAL_off(cv)         CvUNIQUE_off(cv)