* Makefile: Build the make-map.exe in Mono.Unix.Native; add /nowarn:0618 to

[mono.git] / mcs / class / Mono.Posix / Mono.Unix / StdioFileStream.cs

diff --git a/mcs/class/Mono.Posix/Mono.Unix/StdioFileStream.cs b/mcs/class/Mono.Posix/Mono.Unix/StdioFileStream.cs
index 4dd8644d7745de4c35f5911437eae3c7eb8470be..cd16c9b1ffea76096849d23eee157d4ef49141e3 100644 (file)
--- a/mcs/class/Mono.Posix/Mono.Unix/StdioFileStream.cs
+++ b/mcs/class/Mono.Posix/Mono.Unix/StdioFileStream.cs
@@ -123,6 +123,7 @@ namespace Mono.Unix {
                        catch (Exception e) {
                                throw new ArgumentException (Locale.GetText ("Invalid file stream"), "fileStream");
                        }
+                       GC.KeepAlive (this);
                }
 
                private void InitCanReadWrite (FileAccess access)
@@ -184,7 +185,11 @@ namespace Mono.Unix {
                }
 
                public IntPtr Handle {
-                       get {AssertNotDisposed (); return file;}
+                       get {
+                               AssertNotDisposed (); 
+                               GC.KeepAlive (this);
+                               return file;
+                       }
                }
 
                public override bool CanRead {
@@ -217,6 +222,7 @@ namespace Mono.Unix {
                                r = Stdlib.fseek (file, curPos, SeekFlags.SEEK_SET);
                                UnixMarshal.ThrowExceptionForLastErrorIf (r);
 
+                               GC.KeepAlive (this);
                                return endPos;
                        }
                }
@@ -229,6 +235,7 @@ namespace Mono.Unix {
                                long pos = Stdlib.ftell (file);
                                if (pos == -1)
                                        UnixMarshal.ThrowExceptionForLastError ();
+                               GC.KeepAlive (this);
                                return (long) pos;
                        }
                        set {
@@ -242,6 +249,7 @@ namespace Mono.Unix {
                        AssertNotDisposed ();
                        int r = Stdlib.fgetpos (file, pos);
                        UnixMarshal.ThrowExceptionForLastErrorIf (r);
+                       GC.KeepAlive (this);
                }
 
                public void RestoreFilePosition (FilePosition pos)
@@ -251,6 +259,7 @@ namespace Mono.Unix {
                                throw new ArgumentNullException ("value");
                        int r = Stdlib.fsetpos (file, pos);
                        UnixMarshal.ThrowExceptionForLastErrorIf (r);
+                       GC.KeepAlive (this);
                }
 
                public override void Flush ()
@@ -259,6 +268,7 @@ namespace Mono.Unix {
                        int r = Stdlib.fflush (file);
                        if (r != 0)
                                UnixMarshal.ThrowExceptionForLastError ();
+                       GC.KeepAlive (this);
                }
 
                public override unsafe int Read ([In, Out] byte[] buffer, int offset, int count)
@@ -276,6 +286,7 @@ namespace Mono.Unix {
                                if (Stdlib.ferror (file) != 0)
                                        throw new IOException ();
                        }
+                       GC.KeepAlive (this);
                        return (int) r;
                }
 
@@ -297,6 +308,7 @@ namespace Mono.Unix {
                {
                        AssertNotDisposed ();
                        Stdlib.rewind (file);
+                       GC.KeepAlive (this);
                }
 
                public override long Seek (long offset, SeekOrigin origin)
@@ -323,6 +335,7 @@ namespace Mono.Unix {
                                throw new IOException ("Unable to get current file position",
                                                UnixMarshal.CreateExceptionForLastError ());
 
+                       GC.KeepAlive (this);
                        return pos;
                }
 
@@ -344,6 +357,7 @@ namespace Mono.Unix {
                        }
                        if (r != (ulong) count)
                                UnixMarshal.ThrowExceptionForLastError ();
+                       GC.KeepAlive (this);
                }
                
                ~StdioFileStream ()
@@ -369,6 +383,7 @@ namespace Mono.Unix {
                        canWrite = false;
 
                        GC.SuppressFinalize (this);
+                       GC.KeepAlive (this);
                }
                
                private bool canSeek  = false;