drmaa_misc(3)

NAME
drmaa_strerror, drmaa_get_contact, drmaa_version, drmaa_get_DRM_system - Miscellaneous DRMAA functions.

SYNOPSIS
#include "drmaa.h"

const char *drmaa_strerror(
    int drmaa_errno
);

int drmaa_get_contact(
    char *contact,
    size_t contact_len,
    char *error_diagnosis,
    size_t error_diag_len
);

int drmaa_version(
    unsigned int *major,
    unsigned int *minor,
    char *error_diagnosis,
    size_t error_diag_len
);

int drmaa_get_DRM_system(
    char *drm_system,
    size_t drm_system_len,
    char *error_diagnosis,
    size_t error_diag_len
);

int drmaa_get_DRMAA_implementation(
    char *drm_impl,
    size_t drm_impl_len,
    char *error_diagnosis,
    size_t error_diag_len
);

DESCRIPTION
The drmaa_strerror() function returns a message text associated with the DRMAA error number, drmaa_errno. For invalid DRMAA error codes `NULL' is returned.

  drmaa_get_contact()
The drmaa_get_contact() returns an opaque string containing contact information related to the current DRMAA session to be used with the function. The opaque string contains the information required by drmaa_init() to reconnect to the current session instead of creating a new session. function.

The drmaa_get_contact() function returns the same value before and after is called.

  drmaa_version()
The drmaa_version() function returns into the integers pointed to by major and minor, the major and minor version numbers of the DRMAA library. For a DRMAA 1.0 compliant implementation `1' and `0' will be returned in major and minor, respectively.

  drmaa_get_DRM_system()
The drmaa_get_DRM_system() function returns into drm_system up to drm_system_len characters of a string containing Grid Engine product and version information.

The drmaa_get_DRM_system() function returns the same value before and after is called.

  drmaa_get_DRMAA_implementation()
The drmaa_get_DRMAA_implementation() function returns into drm_system up to drm_system_len characters of a string containing the Grid Engine DRMAA implementation version information. In the current implementation, the drmaa_get_DRMAA_implementation() function returns the same result as the drmaa_get_DRM_system() function.

The drmaa_get_DRMAA_implementation() function returns the same value before and after is called.

ENVIRONMENTAL VARIABLES

GE_ROOT
    Specifies the location of the Grid Engine standard configuration files.

GE_CELL
    If set, specifies the default Grid Engine cell to be used. To address a Grid Engine cell Grid Engine uses (in the order of precedence):

        The name of the cell specified in the environment variable GE_CELL, if it is set.

        The name of the default cell, i.e. default.

GE_DEBUG_LEVEL
    If set, specifies that debug information should be written to stderr. In addition the level of detail in which debug information is generated is defined.

GE_QMASTER_PORT
    If set, specifies the tcp port on which is expected to listen for communication requests. Most installations will use a services map entry instead to define that port.

RETURN VALUES
Upon successful completion, drmaa_get_contact(), drmaa_version(), and drmaa_get_DRM_system() return DRMAA_ERRNO_SUCCESS. Other values indicate an error. Up to error_diag_len characters of error related diagnosis information is then provided in the buffer error_diagnosis.

ERRORS
The drmaa_get_contact(), drmaa_version(), drmaa_get_DRM_system(), and drmaa_get_DRMAA_implementation() will fail if:

  DRMAA_ERRNO_INTERNAL_ERROR
Unexpected or internal DRMAA error, like system call failure, etc.

  DRMAA_ERRNO_DRM_COMMUNICATION_FAILURE
Could not contact DRM system for this request.

  DRMAA_ERRNO_AUTH_FAILURE
The specified request is not processed successfully due to authorization failure.

  DRMAA_ERRNO_INVALID_ARGUMENT
The input value for an argument is invalid.

  DRMAA_ERRNO_NO_MEMORY
Failed allocating memory.

The drmaa_get_contact() and drmaa_get_DRM_system() will fail if:

  DRMAA_ERRNO_NO_ACTIVE_SESSION
Failed because there is no active session.

SEE ALSO