dtoa.c: make compilable independently Except for `-Dxmalloc=malloc -Dxfree=free`. --- missing/dtoa.c | 24 ++++++++++++++++++------ 1 file changed, 18 insertions(+), 6 deletions(-) dtoa.c: constified clang seems to locate never modified local data in the const segment implicitly. --- missing/dtoa.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) dtoa.c: make thread-safe by using atomic CAS --- common.mk | 2 ++ missing/dtoa.c | 75 ++++++++++++++++++++++++++++++++++++++++++---------------- util.c | 1 + 3 files changed, 57 insertions(+), 21 deletions(-) Fixed race in dtoa [Bug #17612] Fixed the race condition when replacing `freelist` entry with its chained next element. At acquiring an entry, hold the entry once with the special value, then release by replacing it with the next element again after acquired. If another thread is holding the same entry at that time, spinning until the entry gets released. Co-Authored-By: Koichi Sasada <ko1@atdot.net> --- bootstraptest/test_ractor.rb | 11 +++++++++++ missing/dtoa.c | 13 ++++++++++--- 2 files changed, 21 insertions(+), 3 deletions(-)
Added by naruse (Yui NARUSE) over 4 years ago
merge revision(s) 63abb5c227e5c20d18d0debf699251da93ca64b5,34d02631e71209b12abb69d0114601027e485bc9,2adbf01ae14c0a4cf190b7c969b91726966a0e0f,3acc81d9e41b18380b9e0168fe2b5e5e0c727256: [Backport #17612]