fix thread safe

demo/insert.c

@@ -1,7 +1,7 @@
 #include    "tvm.h"
 #include    "tmain.h"
 
-#define    TBL_USER_INFO            20
+#define    TBL_USER_INFO            21
 
 typedef struct  __TBL_USER_INFO
 {

include/tstr.h

@@ -30,7 +30,6 @@
 #include <signal.h>
 #include <stdarg.h>
 #include <getopt.h>
-#include <unistd.h>
 #include <math.h>
 #include <sys/prctl.h>
 #include <sys/types.h>

include/tvm.h

@@ -54,7 +54,6 @@ typedef long                 CREATE;
 #define QUE_NOWAIT                          1
 #define QUE_NORMAL                          0
 
-
 //  execution plan
 #define EXE_PLAN_ALL                        0
 #define EXE_PLAN_IDX                        1 

src/queue.c

@@ -80,21 +80,30 @@ long    _lPush(SATvm *pstSavm, void *pvAddr)
         RC_SUCC                    --success
         RC_FAIL                    --failure
  *************************************************************************************************/
-long    _lPopup(SATvm *pstSavm, void *pvAddr, void *pvOut, Timesp *tm)
+long    _lPop(SATvm *pstSavm, void *pvAddr, void *pvOut, Timesp *tm)
 {
-    int     nPos, lRet;
+    int     nPos;
     SHTruck *ps = NULL;
+    extern  int errno;
     TblDef  *pv = (TblDef *)pvAddr;
 
-    errno = 0;
     while(1)
     {
-        Futex(&pv->m_lValid, FUTEX_WAIT, 0, tm);
-        if(EWOULDBLOCK != errno && 0 != errno)
+        if(0 != Futex(&pv->m_lValid, FUTEX_WAIT, 0, tm))
+        {
+            if(ETIMEDOUT == errno) // timeout
+            {
+                pstSavm->m_lErrno = NO_DATA_FOUND;
+                return RC_FAIL;
+            }
+            else if(EWOULDBLOCK != errno)
             {
                 pstSavm->m_lErrno = MQUE_WAIT_ERR;
                 return RC_FAIL;
             }
+            else    // EWOULDBLOCK
+                ;
+        }
  
         if(0 == pv->m_lValid)
             continue;
@@ -146,6 +155,7 @@ long    _lPops(SATvm *pstSavm, void *pvAddr, size_t lExpect, Timesp *tm, size_t
 {
     int     nPos;
     SHTruck *ps = NULL;
+    extern  int errno;
     TblDef  *pv = (TblDef *)pvAddr;
 
     if(NULL == (*ppsvOut = (char *)malloc(lExpect * pv->m_lReSize)))
@@ -154,25 +164,29 @@ long    _lPops(SATvm *pstSavm, void *pvAddr, size_t lExpect, Timesp *tm, size_t
         return RC_FAIL;
     }
 
-    for (*plOut = 0; 0 < lExpect; --lExpect)
+    for (*plOut = 0; *plOut < lExpect; )
     {
         if(0 != Futex(&pv->m_lValid, FUTEX_WAIT, 0, tm))
         {
-            if(EWOULDBLOCK == errno)
+            if(ETIMEDOUT == errno)
             {
                 if(0 == *plOut)
                 {
-                   pstSavm->m_lErrno = NO_DATA_FOUND;
                     TFree(*ppsvOut);
+                    pstSavm->m_lErrno = NO_DATA_FOUND;
                 }
                 else
                     pstSavm->m_lErrno = MQUE_WAIT_TMO;
-               return RC_SUCC;
+                return RC_FAIL;
             }
-
+            else if(EWOULDBLOCK != errno)
+            {
                 pstSavm->m_lErrno = MQUE_WAIT_ERR;
                 return RC_FAIL;
             }
+            else    // EWOULDBLOCK
+                ;
+        }
  
         if(0 == pv->m_lValid)
             continue;
@@ -246,9 +260,9 @@ long    lPop(SATvm *pstSavm, void *pvOut, Uenum eWait)
     }
 
     if(QUE_NOWAIT == eWait)
-        lRet = _lPopup(pstSavm, pstRun->m_pvAddr, pvOut, &tm);
+        lRet = _lPop(pstSavm, pstRun->m_pvAddr, pvOut, &tm);
     else
-        lRet = _lPopup(pstSavm, pstRun->m_pvAddr, pvOut, NULL);
+        lRet = _lPop(pstSavm, pstRun->m_pvAddr, pvOut, NULL);
     vTblDisconnect(pstSavm, pstSavm->tblName);
     return lRet;
 }

src/tree.c

@@ -5116,6 +5116,21 @@ long    lTruncate(SATvm *pstSavm, TABLE t)
         return RC_FAIL;
     }
 
+    if(TYPE_MQUEUE == pstRun->m_lType)
+    {
+        pstSavm->m_lEffect = ((TblDef *)pstRun->m_pvAddr)->m_lValid;
+        pvData = (void *)pGetNode(pstRun->m_pvAddr, lGetTblData(t));
+        memset(pvData, 0, lGetTableSize(t) - lGetTblData(t));
+        ((TblDef *)pstRun->m_pvAddr)->m_lGroup = 0;
+        ((TblDef *)pstRun->m_pvAddr)->m_lValid = 0;
+        ((TblDef *)pstRun->m_pvAddr)->m_lListPos = 0;
+        ((TblDef *)pstRun->m_pvAddr)->m_lListOfs = 0;
+
+        pthread_rwlock_unlock(prwLock);
+        vTblDisconnect(pstSavm, t);
+        return RC_SUCC;
+    }
+
     if(RC_SUCC != lInitailTree(pstSavm, (void *)pGetNode(pstRun->m_pvAddr, lGetIdxPos(t)), t))
     {
         pthread_rwlock_unlock(prwLock);
@@ -9129,7 +9144,6 @@ long    lImportFile(TABLE t, char *pszFile, char *pszFlag)
             memcpy(pvData, szLine, lGetRowSize(t));
         else
             _lImportContext(szLine, lGetFldNum(t), pGetTblKey(t), pvData, pszFlag);
-
         if(RC_SUCC != __lInsert(pstSavm, pstRun, pstSavm->tblName, 0))
             break;
 
@@ -9478,9 +9492,6 @@ long    lRenameTable(SATvm *pstSavm, TABLE to, TABLE tn)
     vTblDisconnect(pstSavm, pstSavm->tblName);
 
     memset((void *)pGetRunTime(pstSavm, to), 0, sizeof(RunTime)); 
-    if(TYPE_MQUEUE == pstRun->m_lType)
-        return RC_SUCC;
-
     if(RC_SUCC != lInitSATvm(pstSavm, SYS_TVM_FIELD))
         return RC_FAIL;
 
@@ -9488,7 +9499,13 @@ long    lRenameTable(SATvm *pstSavm, TABLE to, TABLE tn)
     conditinit(pstSavm, stField, SYS_TVM_FIELD);
     conditnum(pstSavm, stField, m_table, to);
     updatenum(pstSavm, stNFld, m_table, tn);
-    return lUpdate(pstSavm, &stNFld);
+    if(RC_SUCC != lUpdate(pstSavm, &stNFld))
+	{
+		if(NO_DATA_FOUND != pstSavm->m_lErrno)
+	        return RC_FAIL;
+	}
+	
+	return RC_SUCC;
 }
 
 /*************************************************************************************************
@@ -11040,7 +11057,6 @@ long    lMountTable(SATvm *pstSavm, char *pszFile)
         }
 
         lEffect ++;
-
         if(RC_SUCC != __lInsert(pstSavm, pstRun, pstSavm->tblName, uTimes))
         {
             fprintf(stderr, "=>警告, 导入表:%s 第(%ld)条记录错误, %s, 跳过..\n",