Background I/O library enhanced so that the main thread can query for the number of pending jobs of the specified type.

1 files changed, 6 insertions, 1 deletions

diff --git a/src/bio.h b/src/bio.h
index 3721fa2b6..ded0d2dce 100644
--- a/src/bio.h
+++ b/src/bio.h
@@ -1,6 +1,11 @@
 /* Exported API */
 void bioInit(void);
 void bioCreateBackgroundJob(int type, void *data);
+unsigned long long bioPendingJobsOfType(int type);
+void bioWaitPendingJobsLE(int type, unsigned long long num);
 
 /* Background job opcodes */
-#define REDIS_BIO_CLOSE_FILE    1
+#define REDIS_BIO_ZERO_OP_ID    0 /* We don't use zero as it is the most likely
+                                   * passed value in case of bugs/races. */
+#define REDIS_BIO_CLOSE_FILE    1 /* Deferred close(2) syscall. */
+#define REDIS_BIO_MAX_OP_ID     1