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If the bitbake server recieved multiple connections, it currently closes ones it can't handle (while its dealing with another). This is rather antisocial behaviour which causes clients to quickly run through their retries and abort. Instead, queue any other connections until the current one is closed. This way the client can decide when it wants to stop waiting for the server. If the client is gone by the time we handle it, we handle that gracefully. This also fixes a number of bugs in the connection handling where connections which did drop early were badly handled causing tracebacks in the logs. Also, handle queue incomming connections in a loop to ensure that the main client handling doesn't starve that piece of the system. This code was stress tested by running 50 connection attempts in parallel at once, ensuring the code correctly handled them. (Bitbake rev: f675293d86504db66442532258d99b26333742bf) Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
QEMU Emulation Targets ====================== To simplify development, the build system supports building images to work with the QEMU emulator in system emulation mode. Several architectures are currently supported in 32 and 64 bit variants: * ARM (qemuarm + qemuarm64) * x86 (qemux86 + qemux86-64) * PowerPC (qemuppc only) * MIPS (qemumips + qemumips64) Use of the QEMU images is covered in the Yocto Project Reference Manual. The appropriate MACHINE variable value corresponding to the target is given in brackets.