X-Git-Url: https://git.wh0rd.org/?p=ICEs.git;a=blobdiff_plain;f=318007%2Fbuf0buf.i.1;fp=318007%2Fbuf0buf.i.1;h=7ed48b5673da2cb4551a880f63d750f74e6da936;hp=0000000000000000000000000000000000000000;hb=81f80d8c1c9898ae1c26534a3287a47220390f5c;hpb=45516216fc552c838e650d868214d867027a64f6

diff --git a/318007/buf0buf.i.1 b/318007/buf0buf.i.1
new file mode 100644
index 0000000..7ed48b5
--- /dev/null
+++ b/318007/buf0buf.i.1
@@ -0,0 +1,46 @@
+typedef unsigned long int ulint;
+typedef long int lint;
+typedef struct rw_lock_struct rw_lock_t;
+struct rw_lock_struct {
+	volatile lint lock_word;
+	volatile ulint reader_count;
+	volatile ulint writer;
+};
+static inline ulint rw_lock_x_lock_func_nowait(rw_lock_t * lock,
+					       const char *file_name,
+					       ulint line)
+{
+	if (lock->reader_count == 0) {
+		if (__sync_lock_test_and_set(&(lock->writer), 351) == 350) {
+		      retry_x_lock:if (__sync_sub_and_fetch(&(lock->lock_word), 0x00100000)
+			    == 0) {
+				if (__sync_fetch_and_add
+				    (&(lock->lock_word), 0x00100000) == 0)
+					goto retry_x_lock;
+			}
+		}
+	}
+}
+
+typedef struct mtr_struct mtr_t;
+typedef struct buf_block_struct buf_block_t;
+typedef unsigned char buf_frame_t;
+struct buf_block_struct {
+	rw_lock_t lock;
+	struct {
+	} awe_LRU_free_mapped;
+};
+buf_frame_t *buf_page_get_gen(ulint space, ulint offset, ulint rw_latch,
+			      buf_frame_t * guess, ulint mode, const char *file,
+			      ulint line, mtr_t * mtr)
+{
+	buf_block_t *block;
+	ulint success;
+	if (mode == 12) {
+		if (rw_latch == 1) {
+			success =
+			    rw_lock_x_lock_func_nowait(&(block->lock), file,
+						       line);
+		}
+	}
+}