Open System Services System Calls Reference Manual (G06.29+, H06.08+, J06.03+)

System Functions (n - p) put_unregFile(2)
NAME
put_unregFile - Unregisters a Guardian file number as one that the user manages
LIBRARY
32-bit H-series and J-series OSS processes: /G/system/zdllnnn/zputdll
64-bit H-series and J-series OSS processes: /G/system/zdllnnn/yputdll
SYNOPSIS
#include <pthread.h>
extern put_error_t put_unregFile(
const short filenum);
PARAMETERS
filenum Specifies the Guardian file number being unregistered.
DESCRIPTION
This function unregisters a Guardian file number as one that the user manages. Any threads wait-
ing on file number I/O will awaken with PUT_ERROR and Guardian file-system error 16.
To use this function on systems running H06.21 or later RVUs or J06.10 or later RVUs, you must
perform all of the following tasks:
• Include the pthread.h header file in the application.
• Compile the application using the _PUT_MODEL_ feature test macro or equivalent
compiler command option.
• Link the application to the zputdll library (/G/system/zdllnnn/zputdll).
On systems running H06.24 or later H-series RVUs or J06.13 or later J-series RVUs, you can use
this function with 32-bit or 64-bit applications.
To use this function in a 32-bit application on systems running H06.24 or later RVUs or J06.13 or
later RVUs, perform the same tasks (described above) used to enable the function on systems
running H06.21/J06.10 or later RVUs.
To use this function in a 64-bit application on systems running H06.24 or later RVUs or J06.13 or
later RVUs, you must perform all of the following tasks:
• Include the pthread.h header file in the application.
• Compile the application using the _PUT_MODEL_ feature test macro or equivalent
compiler command option.
• Compile the application using the -Wlp64 compiler command option.
• Link the application to the yputdll library (/G/system/zdllnnn/yputdll).
RETURN VALUES
PUT_SUCCESS
The specified filenum was successfully unregistered.
PUT_ERROR One of the following conditions exists:
• The value specified for filenum s less than 0 (zero).
• The specified filenum was not registered prior to this call.
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