On Fri, 7 Jun 2019 11:25:19 +0200 Gustaf Neumann <neum...@wu.ac.at> wrote:
> Working with the numeric file descriptors has the advantage that it can be > passed around between interpreters/threads, etc., so it is well suited > for multi threaded applications, the FDs of open files can be kept > in nsvs, etc.). ... but has the disadvantage of leaving the Tcl way of handling IO :-( With the Tcl's ability to cut/splice channels between threads, you could achieve the same thing AND be Tcl compatible. For this to work the writer thread needs to do Tcl_Write/Tcl_Read and not only write/read so there should be changes there of course. I am telling this because I just completed the ns_http rewrite that handles more/less similar issue w.r.t queued http reads/writes and I was using the same cut/splice technique to open a channel in one and read/write to it in the other thread. In order to keep this option open and not to clutter the Tcl API, the "ns_asyncwrite" should allow for ns_asyncwrite ?-channel chan | -fd fd? content At some time, if needed, the writer can be expanded to understand Tcl channels as well. _______________________________________________ naviserver-devel mailing list naviserver-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/naviserver-devel
