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authorNicholas Clark <nick@ccl4.org>2008-01-07 21:17:10 +0000
committerNicholas Clark <nick@ccl4.org>2008-01-07 21:17:10 +0000
commit36c662f48c9a23ec4251c3cf747c3f42c63a6fd9 (patch)
treee7c1b150e9145f650e078833e8d4fdfebec28203 /sv.h
parenta43d94f2c089c6f14197795daeebb7835550a747 (diff)
downloadperl-36c662f48c9a23ec4251c3cf747c3f42c63a6fd9.tar.gz
Clarify the use of SVf_BREAK on PL_reg_curpm.
p4raw-id: //depot/perl@32895
Diffstat (limited to 'sv.h')
-rw-r--r--sv.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/sv.h b/sv.h
index ed253839fd..c80c2aaf84 100644
--- a/sv.h
+++ b/sv.h
@@ -339,7 +339,9 @@ perform the upgrade if necessary. See C<svtype>.
means that a hv_aux struct is present
after the main array */
#define SVf_BREAK 0x04000000 /* refcnt is artificially low - used by
- SV's in final arena cleanup */
+ SVs in final arena cleanup.
+ Set in S_regtry on PL_reg_curpm, so that
+ perl_destruct will skip it. */
#define SVf_READONLY 0x08000000 /* may not be modified */