Merge pull request #5402 from Ullmie02/fix-null-size

Use FileShare.None when creating files

(cherry picked from commit 480dd66428e2a8bf76c0747256f2e99b15aae212)
Signed-off-by: Joshua M. Boniface <joshua@boniface.me>

1 files changed, 2 insertions, 1 deletions

diff --git a/Jellyfin.Api/Helpers/TranscodingJobHelper.cs b/Jellyfin.Api/Helpers/TranscodingJobHelper.cs
index 240d132b1..7cd9024b0 100644
--- a/Jellyfin.Api/Helpers/TranscodingJobHelper.cs
+++ b/Jellyfin.Api/Helpers/TranscodingJobHelper.cs
@@ -553,7 +553,8 @@ namespace Jellyfin.Api.Helpers
                 $"{logFilePrefix}{DateTime.Now:yyyy-MM-dd_HH-mm-ss}_{state.Request.MediaSourceId}_{Guid.NewGuid().ToString()[..8]}.log");
 
             // FFmpeg writes debug/error info to stderr. This is useful when debugging so let's put it in the log directory.
-            Stream logStream = new FileStream(logFilePath, FileMode.Create, FileAccess.Write, FileShare.Read, IODefaults.FileStreamBufferSize, true);
+            // use FileShare.None as this bypasses dotnet bug dotnet/runtime#42790 .
+            Stream logStream = new FileStream(logFilePath, FileMode.Create, FileAccess.Write, FileShare.None, IODefaults.FileStreamBufferSize, true);
 
             var commandLineLogMessageBytes = Encoding.UTF8.GetBytes(request.Path + Environment.NewLine + Environment.NewLine + JsonSerializer.Serialize(state.MediaSource) + Environment.NewLine + Environment.NewLine + commandLineLogMessage + Environment.NewLine + Environment.NewLine);
             await logStream.WriteAsync(commandLineLogMessageBytes, 0, commandLineLogMessageBytes.Length, cancellationTokenSource.Token).ConfigureAwait(false);