Retreiving Parameters From The Call Stack

I'm trying to solve the following:
I have a procedure:
procedure widget1(parm1 in varchar2)
which calls:
procedure widget2;
Is there any way that widget 2 can look at a call stack to find out the value of parm1 that was passed to widget 2? If so, how?
Effectively, widget1 is a procedure invoked by oracle application server, and widget2 is a generic error handler that should log the function that was called and the values of the paramters that were provided. I can get the function off the FORMAT_CALL_STACK routine, but I don't know how/where to find the parameter values.

Hi,
You can use SY_CPROG - caller in external procedures, bye using this u can get the progam name.
Regards,
kavitha.k

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How to get the report name from the call stack

Hi,
I have a question about how to get the caller information dynamically in a function module.
For example.
ZGET_CALLER_INFORAMTION,
get the caller name -- how ??
Thanks in advance
Best Regards,
Johnney

Hi,
You can use SY_CPROG - caller in external procedures, bye using this u can get the progam name.
Regards,
kavitha.k

Moving a method down the call stack

This is partially a blazeds question as well, which I have already inquired about there.
My situation is that I have a consumer.subscribe followed by the rpc, followed by the consumer expected to handle the results of the rpc. What seems to be happening is a race condition between the subscribe and the rpc call - with the results being returned back before some of teh consumers have finished subscribing. This is all being handled in one method. For the most part, it needs to be encapsulated like this because we're using the parsley IoC container. By creating a new context on a button click, it automatically instantiates and initalizes the consumers. A retrievedataevent is then fired straight away.
Is there anyway around this? I noticed that if i create a Timer and set it to 1 millisecond, it somehow fixes itself. Does timer somehow drop the current method down the callstack? Or deprioritize it?
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This is the way that Aperture works by design - you just need to get comfortable with album picks, every album can have a different album pick from the same stack, it will be the image that shows up at when the stack is closed.
These may help
[Aperture Organization|http://photo.rwboyer.com/2008/07/apple-aperture-21-organization>
[Aperture Stacks and Albums|http://photo.rwboyer.com/2008/09/aperture-2-organization-tip-more-on-sta cks-and-albums>
[Aperture Album picks and image versions|http://photo.rwboyer.com/2008/12/aperture-2-quick-tip-album-picks-and- image-versions>
Maybe even this that explains how Aperture stacks work vs. Lightroom stacks
[Aperture vs Lightroom stacks|http://photo.rwboyer.com/2008/10/aperture2-vs-lightroom2-stacks>
RB

How to print the call stack of a thread?

I would like to print out the call stack of a thread, something that looks like the output of pstack.
From within the thread itself, I suppose I can fork1() to duplicate the thread and fork another process to run pstack on the duplicated thread.
I would much rather use some api to print out the stack directly. Any pointer would be appreciated.

Hi,
The code below will do what you want.
All that needs to be done is to call csprintstack() from within
your application. Remember to link in the dynamic linking library,
libdl.so, as dynamic library functions are used.
Cheers.
Jon Haslam<br>
Developer Technical Support<br>
Sun Microsystems<br>
<pre>
#include <ucontext.h>
#include <sys/frame.h>
#include <dlfcn.h>
#include <setjmp.h>
#include <sys/procfs_isa.h>
#include <stdio.h>
#if defined(sparc) || defined(__sparc)
#define FRAME_PTR_REGISTER REG_SP
#endif
#if defined(i386) || defined(__i386)
#define FRAME_PTR_REGISTER EBP
#endif
struct frame *
csgetframeptr()
ucontext_t u;
(void) getcontext(&u);
return (((struct frame *)
u.uc_mcontext.gregs[FRAME_PTR_REGISTER])->fr_savfp);
void
cswalkstack(struct frame * fp, int (*operate_func)(void *, void *),
void * usrarg)
void * savpc;
struct frame * savfp;
while (fp &&
(savpc = (void*)fp->fr_savpc) &&
(*operate_func)(savpc, usrarg) == 0) {
fp = fp->fr_savfp;
static int
csprintaddress(void pc, void usrarg)
Dl_info info;
char * func;
char * lib;
if(dladdr(pc, & info) == 0) {
func = "??";
lib = "??";
else {
lib = (char *) info.dli_fname;
func = (char *) info.dli_sname;
fprintf((FILE *) usrarg,
"%s:%s+0x%x\n",
lib,
func,
(unsigned int)pc - (unsigned int)info.dli_saddr);
return(0);
void
csprintstack(FILE * f)
cswalkstack(csgetframeptr(), csprintaddress, (void *) f);
</pre>

Unable to evaluate expression because the code is optimized or a native frame is on top of the call stack.

Hi,
I am trying to run a long running process, by redirecting to the LongRunningView using the code below. But its throwing exception Can anyone please help
string strCurrentUrl = SPUtility.OriginalServerRelativeRequestPath;
strCurrentUrl = strCurrentUrl + "?ListName=" + strListName;
////Initiates the Excel Import
if (ObjdtExcel != null && ObjdtExcel.Rows.Count > 0)
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//// Redirect the user to another page when finished.
objJob.RedirectWhenFinished = false;
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objJob.UserCanCancel = false;
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objJob.MillisecondsToWaitForFinish = 15000;
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objJob.Start(SPContext.Current.Web);
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SPUtility.Redirect(strUrl, SPRedirectFlags.Default, HttpContext.Current);
The exception being "Unable to evaluate expression because the code is optimized or a native frame is on top of the call stack."
Arjun Menon U.K

Hi Arjun,
Any update?
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TechNet Community Support

When I am on a call in my car I can play and hear the music on my iPhone but when I hang up from the call the music reverts back to my iPhone speaker.

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Hello, Jordanali.
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Getting the call stack up to a certain location.

Dear friends,
I am searching for a function or method that can give me
the call stack(like in debug mode).
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please let me know, its very urgent.
Thanks in advance,
Eitan Illuz.

Hello Eli
You may have a look at thread:
[Get the name of a function module within a function module|Get the name of a function module within a function module;
Sample coding to retrieve the calling function module:
data:
lt_callstack TYPE abap_callstack.
CALL FUNCTION 'SYSTEM_CALLSTACK'
IMPORTING
callstack = lt_callstack.
READ TABLE lt_callstack
WITH KEY blocktype = 'FUNCTION'
blockname = 'CRM_ORDER_COPY_SINGLE_OW'
TRANSPORTING NO FIELDS.
CHECK sy-subrc NE 0.
Reference: [http://martins.de/call_stack_lesen.html]
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Thanks,
Z

I got the solution.
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The one with field-symbols works:
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How to access Dynamic Region parameters from a called taskflow?

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<taskFlow id="dynamicRegion1" taskFlowId="${test.dynamicTaskFlowId}"
xmlns="http://xmlns.oracle.com/adf/controller/binding">
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2 ( id number(2)
3 , name varchar2(2)
4 )
5 /
Tabel is aangemaakt.
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2    my_exception exception;
3    pragma exception_init(my_exception,-1401);
4 begin
5    insert into t values (99,'AAA');
6 exception
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9 end;
10 /
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Retreiving Parameters From The Call Stack

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