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author卜部昌平 <shyouhei@ruby-lang.org>2020-02-07 14:14:05 +0900
committer卜部昌平 <shyouhei@ruby-lang.org>2020-02-07 14:24:19 +0900
commit115fec062ccf7c6d72c8d5f64b7a5d84c9fb2dd8 (patch)
tree24639dba7b24afdd604b5d8c5b9e9f06d3d91faa /thread_sync.c
parent6ed1a5e0e62bbdadcf3d0c61fcfe0c5f8d01789b (diff)
more on NULL versus functions.
Function pointers are not void*. See also ce4ea956d24eab5089a143bba38126f2b11b55b6 8427fca49bd85205f5a8766292dd893f003c0e48
Diffstat (limited to 'thread_sync.c')
-rw-r--r--thread_sync.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/thread_sync.c b/thread_sync.c
index efe295e..7af5172 100644
--- a/thread_sync.c
+++ b/thread_sync.c
@@ -78,7 +78,7 @@ static const char* rb_mutex_unlock_th(rb_mutex_t *mutex, rb_thread_t *th);
*
*/
-#define mutex_mark NULL
+#define mutex_mark ((void(*)(void*))0)
static size_t
rb_mutex_num_waiting(rb_mutex_t *mutex)