update to LSAPI 6.6

Conflicts:
	sapi/litespeed/lsapi_main.c

2 files changed, 36 insertions, 10 deletions

diff --git a/sapi/litespeed/lsapi_main.c b/sapi/litespeed/lsapi_main.c
index bc236bafab..3413a423ac 100644
--- a/sapi/litespeed/lsapi_main.c
+++ b/sapi/litespeed/lsapi_main.c
@@ -370,7 +370,7 @@ static void sapi_lsapi_log_message(char *message TSRMLS_DC)
 static sapi_module_struct lsapi_sapi_module =
 {
     "litespeed",
-    "LiteSpeed V6.4",
+    "LiteSpeed V6.6",
 
     php_lsapi_startup,              /* startup */
     php_module_shutdown_wrapper,    /* shutdown */
diff --git a/sapi/litespeed/lsapilib.c b/sapi/litespeed/lsapilib.c
index 8a10ac62cd..cdf9e882dc 100644
--- a/sapi/litespeed/lsapilib.c
+++ b/sapi/litespeed/lsapilib.c
@@ -1229,6 +1229,7 @@ int LSAPI_IsRunning(void)
 
 int LSAPI_InitRequest( LSAPI_Request * pReq, int fd )
 {
+    int newfd;
     if ( !pReq )
         return -1;
     memset( pReq, 0, sizeof( LSAPI_Request ) );
@@ -1242,7 +1243,14 @@ int LSAPI_InitRequest( LSAPI_Request * pReq, int fd )
     pReq->m_respPktHeaderEnd = &pReq->m_respPktHeader[5];
     if ( allocateRespHeaderBuf( pReq, LSAPI_INIT_RESP_HEADER_LEN ) == -1 )
         return -1;
- 
+
+    if ( fd == STDIN_FILENO )
+    {
+        fd = dup( fd );
+        newfd = open( "/dev/null", O_RDWR );
+        dup2( newfd, STDIN_FILENO ); 
+    } 
+
     if ( isPipe( fd ) )
     {
         pReq->m_fdListen = -1;
@@ -2404,6 +2412,8 @@ typedef struct _lsapi_prefork_server
     int m_iAvoidFork;
     
     lsapi_child_status * m_pChildrenStatus;
+    lsapi_child_status * m_pChildrenStatusCur;
+    lsapi_child_status * m_pChildrenStatusEnd;
     
 }lsapi_prefork_server;
 
@@ -2492,11 +2502,15 @@ static void lsapi_cleanup(int signal)
 static lsapi_child_status * find_child_status( int pid )
 {
     lsapi_child_status * pStatus = g_prefork_server->m_pChildrenStatus;
-    lsapi_child_status * pEnd = g_prefork_server->m_pChildrenStatus + g_prefork_server->m_iMaxChildren * 2;
+    lsapi_child_status * pEnd = g_prefork_server->m_pChildrenStatusEnd;
     while( pStatus < pEnd )
     {
         if ( pStatus->m_pid == pid )
+        {
+            if ( pStatus + 1 > g_prefork_server->m_pChildrenStatusCur )
+                g_prefork_server->m_pChildrenStatusCur = pStatus + 1;
             return pStatus;
+        }
         ++pStatus;
     }
     return NULL;
@@ -2531,8 +2545,12 @@ static void lsapi_sigchild( int signal )
         {
             child_status->m_pid = 0;
             --g_prefork_server->m_iCurChildren;
+
         }
     }
+    while(( g_prefork_server->m_pChildrenStatusCur > g_prefork_server->m_pChildrenStatus )
+            &&( g_prefork_server->m_pChildrenStatusCur[-1].m_pid == 0 ))
+        --g_prefork_server->m_pChildrenStatusCur;
 
 }
 
@@ -2541,7 +2559,7 @@ static int lsapi_init_children_status()
     int size = 4096;
     
     char * pBuf;
-    size = g_prefork_server->m_iMaxChildren * sizeof( lsapi_child_status ) * 2;
+    size = (g_prefork_server->m_iMaxChildren + g_prefork_server->m_iExtraChildren ) * sizeof( lsapi_child_status ) * 2;
     size = (size + 4095 ) / 4096 * 4096;
     pBuf =( char*) mmap( NULL, size, PROT_READ | PROT_WRITE,
         MAP_ANON | MAP_SHARED, -1, 0 );
@@ -2551,7 +2569,9 @@ static int lsapi_init_children_status()
         return -1;
     }
     memset( pBuf, 0, size );
-    g_prefork_server->m_pChildrenStatus = (lsapi_child_status *)pBuf;        
+    g_prefork_server->m_pChildrenStatus = (lsapi_child_status *)pBuf;
+    g_prefork_server->m_pChildrenStatusCur = (lsapi_child_status *)pBuf;
+    g_prefork_server->m_pChildrenStatusEnd = (lsapi_child_status *)pBuf + size / sizeof( lsapi_child_status );
     return 0;
 }
 
@@ -2581,7 +2601,7 @@ static void lsapi_check_child_status( long tmCur )
     int dying = 0;
     int count = 0;
     lsapi_child_status * pStatus = g_prefork_server->m_pChildrenStatus;
-    lsapi_child_status * pEnd = g_prefork_server->m_pChildrenStatus + g_prefork_server->m_iMaxChildren * 2;
+    lsapi_child_status * pEnd = g_prefork_server->m_pChildrenStatusCur;
     while( pStatus < pEnd )
     {
         tobekilled = 0;
@@ -2594,13 +2614,15 @@ static void lsapi_check_child_status( long tmCur )
                 if (( g_prefork_server->m_iCurChildren - dying > g_prefork_server->m_iMaxChildren)||
                     ( idle > g_prefork_server->m_iMaxIdleChildren ))
                 {
-                    tobekilled = SIGUSR1;
+                    ++pStatus->m_iKillSent;
+                    //tobekilled = SIGUSR1;
                 }
                 else
                 {
                     if (( s_max_idle_secs> 0)&&(tmCur - pStatus->m_tmWaitBegin > s_max_idle_secs + 5 ))
                     {
-                        tobekilled = SIGUSR1;
+                        ++pStatus->m_iKillSent;
+                        //tobekilled = SIGUSR1;
                     }
                 }
                 if ( !tobekilled )
@@ -2734,6 +2756,8 @@ static int lsapi_prefork_server_accept( lsapi_prefork_server * pServer, LSAPI_Re
 
         if ( pServer->m_iCurChildren >= (pServer->m_iMaxChildren + pServer->m_iExtraChildren ) )
         {
+            fprintf( stderr, "Reached max children process limit: %d, extra: %d, current: %d, please increase LSAPI_CHILDREN.\n",
+                                pServer->m_iMaxChildren, pServer->m_iExtraChildren, pServer->m_iCurChildren );
             usleep( 100000 );
             continue;
         }
@@ -2894,7 +2918,7 @@ int LSAPI_Prefork_Accept_r( LSAPI_Request * pReq )
         {
             if ( !g_running )
                 return -1;
-            if (( s_pChildStatus )&&( s_pChildStatus->m_iKillSent ))
+            if ((s_req_processed)&&( s_pChildStatus )&&( s_pChildStatus->m_iKillSent ))
                 return -1; 
             FD_ZERO( &readfds );
             FD_SET( fd, &readfds );
@@ -2922,7 +2946,7 @@ int LSAPI_Prefork_Accept_r( LSAPI_Request * pReq )
             }
             else if ( ret >= 1 )
             {
-                if (( s_pChildStatus )&&( s_pChildStatus->m_iKillSent ))
+                if (s_req_processed && ( s_pChildStatus )&&( s_pChildStatus->m_iKillSent ))
                     return -1; 
                 if ( fd == pReq->m_fdListen )
                 {
@@ -3084,6 +3108,8 @@ static int lsapi_initSuEXEC()
         {
             if ( g_prefork_server->m_iMaxChildren < 100 )
                 g_prefork_server->m_iMaxChildren = 100;
+            if ( g_prefork_server->m_iExtraChildren < 1000 )
+                g_prefork_server->m_iExtraChildren = 1000;
         }
     }
     if ( !s_defaultUid || !s_defaultGid )