diff --git a/src/os/inc/osSemphone.h b/src/os/inc/osSemphone.h
index 7c64aa80e5e21dfad42ff48e3841167ac24f9482..3332a9234b040aaa49c1d097e63f03a6c9bde25b 100644
--- a/src/os/inc/osSemphone.h
+++ b/src/os/inc/osSemphone.h
@@ -30,10 +30,17 @@ extern "C" {
 
 #ifdef TAOS_OS_FUNC_PTHREAD_RWLOCK
   #define pthread_rwlock_t pthread_mutex_t
-  #define pthread_rwlock_init(lock) pthread_mutex_init(lock)
-  #define pthread_mutex_destroy(lock) pthread_mutex_destroy(lock)
+  #define pthread_rwlock_init(lock, NULL) pthread_mutex_init(lock, NULL)
+  #define pthread_rwlock_destroy(lock) pthread_mutex_destroy(lock)
   #define pthread_rwlock_wrlock(lock) pthread_mutex_lock(lock)
+  #define pthread_rwlock_rdlock(lock) pthread_mutex_lock(lock)
   #define pthread_rwlock_unlock(lock) pthread_mutex_unlock(lock)
+
+  #define pthread_spinlock_t pthread_mutex_t
+  #define pthread_spin_init(lock, NULL) pthread_mutex_init(lock, NULL)
+  #define pthread_spin_destroy(lock) pthread_mutex_destroy(lock)
+  #define pthread_spin_lock(lock) pthread_mutex_lock(lock)
+  #define pthread_spin_unlock(lock) pthread_mutex_unlock(lock)
 #endif
 
 // TAOS_OS_FUNC_SEMPHONE_PTHREAD
diff --git a/src/os/src/darwin/darwinSysInfo.c b/src/os/src/darwin/darwinSysInfo.c
index 394fd7debe6fe9929b2b2df0d20a19df3e405793..bce60429c5efa3358928b74dcd297b473e877587 100644
--- a/src/os/src/darwin/darwinSysInfo.c
+++ b/src/os/src/darwin/darwinSysInfo.c
@@ -18,6 +18,7 @@
 #include "tconfig.h"
 #include "tglobal.h"
 #include "tulog.h"
+#include "taoserror.h"
 #include <errno.h>
 #include <libproc.h>
 
@@ -70,8 +71,6 @@ void taosGetSystemInfo() {
   taosGetSystemLocale();
 }
 
-void taosGetDisk() {}
-
 bool taosGetProcIO(float *readKB, float *writeKB) {
   *readKB = 0;
   *writeKB = 0;
@@ -106,6 +105,19 @@ int taosSystem(const char *cmd) {
 
 void taosSetCoreDump() {}
 
+int32_t taosGetDiskSize(char *dataDir, SysDiskSize *diskSize) {
+  struct statvfs info;
+  if (statvfs(tsDataDir, &info)) {
+    uError("failed to get disk size, dataDir:%s errno:%s", tsDataDir, strerror(errno));
+    terrno = TAOS_SYSTEM_ERROR(errno);
+    return -1;
+  } else {
+    diskSize->tsize = info.f_blocks * info.f_frsize;
+    diskSize->avail = info.f_bavail * info.f_frsize;
+    return 0;
+  }
+}
+
 char cmdline[1024];
 
 char *taosGetCmdlineByPID(int pid) {