Intel® Fortran Compiler Classic and Intel® Fortran Compiler Developer Guide and Reference

ID 767251
Date 3/31/2023
Public

A newer version of this document is available. Customers should click here to go to the newest version.

Document Table of Contents

Miscellaneous Runtime Library Routines

The following table lists miscellaneous runtime library routines.

Programs that use most of these routines should contain a USE IFCORE statement to obtain the proper interfaces to these routines.

Name

Procedure Type

Description

COMMITQQ

Function

Forces the operating system to execute any pending write operations for a file.

FOR_DESCRIPTOR_ASSIGN1

Subroutine

Creates an array descriptor in memory.

FOR_GET_FPE

Function

Returns the current settings of floating-point exception flags.

FOR_LFENCE

Subroutine

Inserts a memory load fence instruction that ensures completion of preceding load instructions.

FOR_MFENCE

Subroutine

Inserts a memory access fence instruction that ensures completion of preceding memory access instructions.

for_rtl_finish_2

Function

Cleans up the Fortran runtime environment.

for_rtl_init_2

Function

Initializes the Fortran runtime environment.

FOR_SET_FPE

Function

Sets the floating-point exception flags.

FOR__SET_FTN_ALLOC

Function

Tells the Fortran Runtime Library (RTL) to use a user-defined routine to dynamically allocate commons.

FOR_SET_REENTRANCY

Function

Controls the type of reentrancy protection that the Fortran Runtime Library (RTL) exhibits.

FOR_SFENCE

Subroutine

Inserts a memory store fence instruction that ensures completion of preceding store instructions.

GERROR

Subroutine

Returns a message for the last error detected by a Fortran runtime routine.

GETCHARQQ

Function

Returns the next keystroke.

GETEXCEPTIONPTRSQQ1

Function

Returns a pointer to C runtime exception information pointers appropriate for use in signal handlers established with SIGNALQQ or direct calls to the C rtl signal( ) routine.

GETSTRQQ

Function

Reads a character string from the keyboard using buffered input.

PEEKCHARQQ

Function

Checks the buffer to see if a keystroke is waiting.

PERROR

Subroutine

Sends a message to the standard error stream, preceded by a specified string, for the last detected error.

TRACEBACKQQ

Subroutine

Provides traceback information.

1 Windows

2 You do not need a USE IFCORE statement for this routine.