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+'\" t
+.\" Manual page created with latex2man on Thu Aug 16 09:44:45 MDT 2007
+.\" NOTE: This file is generated, DO NOT EDIT.
+.de Vb
+.ft CW
+.nf
+..
+.de Ve
+.ft R
+
+.fi
+..
+.TH "UNW\\_IS\\_SIGNAL\\_FRAME" "3" "16 August 2007" "Programming Library " "Programming Library "
+.SH NAME
+unw_is_signal_frame
+\-\- check if current frame is a signal frame 
+.PP
+.SH SYNOPSIS
+
+.PP
+#include <libunwind.h>
+.br
+.PP
+int
+unw_is_signal_frame(unw_cursor_t *cp);
+.br
+.PP
+.SH DESCRIPTION
+
+.PP
+The unw_is_signal_frame()
+routine returns a positive value 
+if the current frame identified by cp
+is a signal frame, and a 
+value of 0 otherwise. For the purpose of this discussion, a signal 
+frame is a frame that was created in response to a potentially 
+asynchronous interruption. For UNIX and UNIX\-like platforms, such 
+frames are normally created by the kernel when delivering a signal. 
+In a kernel\-environment, a signal frame might, for example, correspond 
+to a frame created in response to a device interrupt. 
+.PP
+Signal frames are somewhat unusual because the asynchronous nature of 
+the events that create them require storing the contents of registers 
+that are normally treated as scratch (``caller\-saved\&'') registers. 
+.PP
+.SH RETURN VALUE
+
+.PP
+On successful completion, unw_is_signal_frame()
+returns a 
+positive value if the current frame is a signal frame, or 0 if it is 
+not. Otherwise, a negative value of one of the error\-codes below is 
+returned. 
+.PP
+.SH THREAD AND SIGNAL SAFETY
+
+.PP
+unw_is_signal_frame()
+is thread\-safe as well as safe to use 
+from a signal handler. 
+.PP
+.SH ERRORS
+
+.PP
+.TP
+UNW_ENOINFO
+ Libunwind
+is unable to determine 
+whether or not the current frame is a signal frame. 
+.PP
+.SH SEE ALSO
+
+.PP
+libunwind(3),
+unw_get_reg(3),
+unw_set_reg(3),
+unw_get_fpreg(3),
+unw_set_fpreg(3)
+.PP
+.SH AUTHOR
+
+.PP
+David Mosberger\-Tang
+.br
+Email: \fBdmosberger@gmail.com\fP
+.br
+WWW: \fBhttp://www.nongnu.org/libunwind/\fP\&.
+.\" NOTE: This file is generated, DO NOT EDIT.