IBM Z Hardware and Operating Systems Ideas Portal


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LE

Showing 38

z/OS LE/C should support to freopen() for SYSIN dataset open

System:z/OS v.2.1Description:While the SYSIN DDwhen defined with DATA or * are JES subsystem managed, in XL C, SYSIN DDwill be treated as the C stream stdin, regardless of how it is sourced(subsystem or data set), and is treated special. The freop...
almost 6 years ago in z/OS / LE 2 Not under consideration

Specify NONOVR for RUNOPTS at the application level

We would like a way to specify NONOVR at the application level (CELQUOPT CEEXOPT), similar to the region level https://www.ibm.com/support/knowledgecenter/SSLTBW_2.1.0/com.ibm.zos.v2r1.ceea500/clfdop64.htm#clfdop64Currently, the NONOVR/OVR are not...
about 4 years ago in z/OS / LE 2 Not under consideration

Provide an option to prevent RPTSTG(ON) from internally resetting the initial stack size

When RPTSTG(ON) option is set, LE resets the initial stack size to 1MB for 64-bit applications. This is fine for code in which LE automatically expands the stack when needed, however for generated code (as in JavaScript code from Node.js) in which...
about 4 years ago in z/OS / LE 2 Not under consideration

C fopen() fails with errno 41 for VSAM VRRDS files; EDC5041I An error was detected at the system level when opening a file.

We have products that use the VSAM VRRDS file type. We would like to use Java and the JZOS Toolkit to open and read these files while remaining zIIP eligable. The JZOS Toolkit uses the C fopen() to open VSAM files and this fails for the VRRDS file...
over 7 years ago in z/OS / LE 1 Not under consideration

Unexpected CEELAA_STACKFLOOR64 address when storage initialization is used

During testing of IBM Fault Analyzer for z/OS, we encountered a problem with the CEELAA_STACKFLOOR64 field. Fault Analyzer uses this value to determine the valid address range of the stack storage when checking a possible DSA address. Basically, i...
about 6 years ago in z/OS / LE 1 Not under consideration

Code examples needed for the "fldata() ? Retrieve file information" topic in z/OS XL C/C++ Runtime Library Reference

A comment came in while user was viewing a XL C/C++ z/OS KC page saying "links retrieved in top Google search, website is clear, fast and responsive, but not enough code samples". Specifically, they were looking at https://www.ibm.com/support/know...
about 6 years ago in z/OS / LE 2 Not under consideration

refresh content by fflush()

In C/C++ Programin Guide, under the title “Buffering of C Streams” It is stated:If you are reading a record that another user is writing to at the same time, you can see the new data if you call fflush() to refresh the contents of the input buffer...
about 7 years ago in z/OS / LE 3 Not under consideration

Fail to open RRDS (V) in C language program

It is failed to open a RRDS(V: variable record length), would you share me some experience on this, or help me to know what's wrong and how to deal with it? The "C" program is submitted through a JCL job in MVS. And someone else met with a similar...
almost 8 years ago in z/OS / LE 5 Not under consideration

Search path for DLLs in Executable

Linux has a mechanism to have a default search path embedded in an executable when it tries to load a shared library, equivalent to DLL's on z/OS, called rpath. This path takes precedence over some default search paths such as system search paths ...
about 4 years ago in z/OS / LE 2 Not under consideration

Request new system call from LE on z/OS platform

We have a client who's using C++ collate transform() functions; and has reported an issue with its functionality. After our investigation, our development team has determined that in order to get the desired functionality, we rely on some new func...
over 8 years ago in z/OS / LE 3 Not under consideration

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