Uri Lublin
95b134ea02
migrate.c: migrate_fd_put_buffer: Do not busyloop: stop writing if EWOULDBLOCK
The migration code is non-blocking, designed for live migration. Practically migrate_fd_put_buffer busy-loops trying to write, as on many machines EWOULDBLOCK==EAGAIN (look in include/asm-generic/errno.h). Signed-off-by: Uri Lublin <uril@redhat.com>
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Read the documentation in qemu-doc.html. Fabrice Bellard.
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