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It seems somewhat dangerous to have to manually increment the number of
threads every time we make a process. This change makes every call to
proc_init() increment the number of threads. The value is decremented
once the process exits.
Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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This commit moves a lot of initialization logic within spawn() into
the proc_init() function. The logic of spawning a process from an
executable should not have mixed with the logic of initializing a
process.
Signed-off-by: Ian Moffett <ian@osmora.org>
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Update the signature of 'fd_get()', 'fd_alloc()' and 'fd_dup()' to
include a pointer to the process to target. This improves the
flexibility of the file descriptor API.
Signed-off-by: Ian Moffett <ian@osmora.org>
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To make debugging userland program crashes easier, this commit
introduces coredumps that store the last known process state into a
temporary /tmp/core.X file (where X is the PID of the faulting process).
Signed-off-by: Ian Moffett <ian@osmora.org>
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Signed-off-by: Ian Moffett <ian@osmora.org>
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