---
name: "pvm_perror"
section: "3"
platform: "linux"
package: "pvm-dev"
version: "3.4.2-8"
release: "Debian 3.0 (Woody)"
platforms: ["linux"]
url: "https://new.carta.tech/pvm_perror"
---

# pvm\_perror(3)

Prints message describing the last error returned by a PVM call.

## NAME

pvm\_perror - Prints message describing the last error returned by a PVM call.

## SYNOPSIS

```
C	int info = pvm_perror( char *msg )
Fortran	call pvmfperror( msg, info )
```

## PARAMETERS

- msg

  **Character string supplied by the user which will be prepended to** **the error message of the last PVM call.**\

- info

  **Integer status code returned by the routine.** **Values less than zero indicate an error.**

## DESCRIPTION

**The routine** *pvm\_perror* **returns the error message of the** **last PVM call. The user can use** *msg* **to add additional** **information to the error message, for example, its location.**

**Unless redirected, all stdout and stderr messages are placed** **in the file /tmp/pvml.\<uid\> on the master host.**

## EXAMPLES

```
C:
	if ( pvm_send( tid, msgtag ) )
		pvm_perror();

Fortran:
	CALL PVMFSEND( TID, MSGTAG )
	IF( INFO .LT. 0 ) CALL PVMFPERROR( 'Step 6', INFO )
```

## ERRORS

**No error condition is returned by** *pvm\_perror.*