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U_STACK_TRACE(3X)					     U_STACK_TRACE(3X)

NAME
       U_STACK_TRACE(),	 _UNW_STACK_TRACE() - produce a trace back of the pro‐
       cedure call stack using the unwind library

SYNOPSIS
DESCRIPTION
       prints a formatted stack trace to standard error.  produces a formatted
       stack  trace on the output stream indicated by parameter out_file.  The
       stream must be a writable stream for output to be produced.

APPLICATION USAGE
       and are thread-safe.  They are not async-cancel-safe because they  make
       use  of which is not async-cancel-safe.	A cancellation point may occur
       when a thread is executing

RETURN VALUE
       None

ERRORS
       can fail to give the entire stack back trace under the following condi‐
       tions:

       ·  Low  memory  conditions.  The unwind library is not able to allocate
	  enough memory to perform the tasks of tracking back over  the	 stack
	  or  of  looking up symbols names associated with instruction pointer
	  addresses encountered.

       ·  Executables and shared libraries that fail to conform to the Runtime
	  Architecture	for Itanium-based systems.  For example, they may have
	  invalid, incomplete, or missing unwind tables; or invalid or	incor‐
	  rect unwind information blocks.

EXAMPLES
       Given the following C program:

       Compiling and executing the program produces output similar to this:

AUTHOR
       was developed by HP.

SEE ALSO
       _UNW_createContextForSelf(3X), _UNW_currentContext(3X), _UNW_getGR(3X),
       unwind(5).

			 Itanium(R)-based System Only	     U_STACK_TRACE(3X)

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