Hey,
The attached patch makes the custom MemoryMapping work on Mono.
--
Jb Evain <[email protected]>
diff --git a/Runtime/Microsoft.Scripting.Metadata/MemoryMapping.V2.cs b/Runtime/Microsoft.Scripting.Metadata/MemoryMapping.V2.cs
index 7ed9bd5..970b163 100644
--- a/Runtime/Microsoft.Scripting.Metadata/MemoryMapping.V2.cs
+++ b/Runtime/Microsoft.Scripting.Metadata/MemoryMapping.V2.cs
@@ -113,18 +113,20 @@ namespace Microsoft.Scripting.Metadata {
RuntimeHelpers.PrepareConstrainedRegions();
try { } finally {
fileDescriptor = Syscall.open(path, OpenFlags.O_RDONLY);
- if (fileDescriptor < 0) {
+ if (fileDescriptor > 0) {
Stat stat;
if (Syscall.fstat(fileDescriptor, out stat) >= 0) {
size = unchecked((int)stat.st_size);
- mapping._capacity = size;
- mapping._pointer = (byte*)Syscall.mmap(IntPtr.Zero, (ulong)size, MmapProts.PROT_READ, MmapFlags.MAP_SHARED, fileDescriptor, 0);
+ mapping = new MemoryMapping {
+ _capacity = size,
+ _pointer = (byte*)Syscall.mmap(IntPtr.Zero, (ulong)size, MmapProts.PROT_READ, MmapFlags.MAP_SHARED, fileDescriptor, 0)
+ };
}
Syscall.close(fileDescriptor);
}
}
- if (mapping._pointer == null) {
+ if (mapping == null || mapping._pointer == null) {
throw new IOException("Unable to create memory map: " + path, Marshal.GetLastWin32Error());
}
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