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.TH "\\_U\\_DYN\\_CANCEL" "3" "16 August 2007" "Programming Library " "Programming Library "
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.SH NAME
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_U_dyn_cancel
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\-\- cancel unwind\-info for dynamically generated code
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.PP
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.SH SYNOPSIS
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.PP
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#include <libunwind.h>
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.br
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.PP
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void
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_U_dyn_cancel(unw_dyn_info_t *di);
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.br
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.PP
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.SH DESCRIPTION
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.PP
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The _U_dyn_cancel()
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routine cancels the registration of the
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unwind\-info for a dynamically generated procedure. Argument di
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is the pointer to the unw_dyn_info_t
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structure that
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describes the procedure\&'s unwind\-info.
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.PP
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The _U_dyn_cancel()
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routine is guaranteed to execute in
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constant time (in the absence of contention from concurrent calls to
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_U_dyn_register()
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or _U_dyn_cancel()).
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.PP
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.SH THREAD AND SIGNAL SAFETY
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.PP
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_U_dyn_cancel()
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is thread\-safe but \fInot\fP
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safe to use
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from a signal handler.
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.PP
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.SH SEE ALSO
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.PP
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libunwind\-dynamic(3),
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_U_dyn_register(3)
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.PP
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.SH AUTHOR
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.PP
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David Mosberger\-Tang
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.br
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Email: \fBdmosberger@gmail.com\fP
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.br
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WWW: \fBhttp://www.nongnu.org/libunwind/\fP\&.
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