perf: add API for updating attachments#157
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Allow clients to send replacement attachment contents to the handler with variable-length IPC messages. The handler writes the updated bytes to the attachment path while keeping attachment registration unchanged. Co-Authored-By: OpenAI Codex <noreply@openai.com>
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Improve attachment (
__sentry-eventand__sentry-breadcrumbN) update performance on Windows by offloading write/append disk I/O to the handler process over IPC.The client side intentionally only waits until the handler accepts the IPC payload, NOT until the file write completes. Even if the AI review bots insisted that, it would defeat the whole purpose of this PR to block the client for the duration of the write.
For the sake of simplicity, macOS and Linux keep direct file writes behind the same
CrashpadClientAPI because disk I/O is already cheap enough.Required for (see also for concrete numbers):