Kernel - Stopped unneeded VFS handle save/restore on spawn

[tpg/acess2.git] / KernelLand / Kernel / binary.c

diff --git a/KernelLand/Kernel/binary.c b/KernelLand/Kernel/binary.c
index f618673..cca55b4 100644 (file)
--- a/KernelLand/Kernel/binary.c
+++ b/KernelLand/Kernel/binary.c
@@ -32,6 +32,7 @@ extern tBinaryType    gELF_Info;
 
 // === PROTOTYPES ===
  int   Binary_int_CacheArgs(const char **Path, const char ***ArgV, const char ***EnvP, void *DestBuffer);
+ int   Proc_int_Execve(const char *File, const char **ArgV, const char **EnvP, int DataSize, bool bClearUser);
 tVAddr Binary_Load(const char *Path, tVAddr *EntryPoint);
 tBinary        *Binary_GetInfo(tMount MountID, tInode InodeID);
 tVAddr Binary_MapIn(tBinary *Binary, const char *Path, tVAddr LoadMin, tVAddr LoadMax);
@@ -191,7 +192,7 @@ int Proc_SysSpawn(const char *Binary, const char **ArgV, const char **EnvP, int
                VFS_RestoreHandles(nFD, handles);
                VFS_FreeSavedHandles(nFD, handles);
                // Frees cachebuf
-               Proc_Execve(Binary, ArgV, EnvP, size);
+               Proc_int_Execve(Binary, ArgV, EnvP, size, 0);
                for(;;);
        }
        if( ret == -1 )
@@ -211,6 +212,11 @@ int Proc_SysSpawn(const char *Binary, const char **ArgV, const char **EnvP, int
  * \note Called Proc_ for historical reasons
  */
 int Proc_Execve(const char *File, const char **ArgV, const char **EnvP, int DataSize)
+{
+       return Proc_int_Execve(File, ArgV, EnvP, DataSize, 1);
+}
+
+int Proc_int_Execve(const char *File, const char **ArgV, const char **EnvP, int DataSize, bool bClearUser)
 {
        void    *cachebuf;
        tVAddr  entry;
@@ -236,6 +242,7 @@ int Proc_Execve(const char *File, const char **ArgV, const char **EnvP, int Data
        // --- Clear User Address space
        // NOTE: This is a little roundabout, maybe telling ClearUser to not touch the
        //       PPD area would be a better idea.
+       if( bClearUser )
        {
                 int    nfd = *Threads_GetMaxFD();
                void    *handles;