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68a1b1589a
It's mostly a noop on ZoL and it conflicts with platforms that support dtrace. Remove this header to resolve the conflict. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Jorgen Lundman <lundman@lundman.net> Signed-off-by: Matt Macy <mmacy@FreeBSD.org> Closes #9497
25 lines
892 B
C
25 lines
892 B
C
/* Here to keep the libspl build happy */
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#ifndef _LIBSPL_ZFS_TRACE_H
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#define _LIBSPL__ZFS_TRACE_H
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/*
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* The set-error SDT probe is extra static, in that we declare its fake
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* function literally, rather than with the DTRACE_PROBE1() macro. This is
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* necessary so that SET_ERROR() can evaluate to a value, which wouldn't
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* be possible if it required multiple statements (to declare the function
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* and then call it).
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*
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* SET_ERROR() uses the comma operator so that it can be used without much
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* additional code. For example, "return (EINVAL);" becomes
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* "return (SET_ERROR(EINVAL));". Note that the argument will be evaluated
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* twice, so it should not have side effects (e.g. something like:
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* "return (SET_ERROR(log_error(EINVAL, info)));" would log the error twice).
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*/
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#undef SET_ERROR
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#define SET_ERROR(err) \
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(__set_error(__FILE__, __func__, __LINE__, err), err)
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#endif
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