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Code Block
languagecpp
themeEclipse
titleAPI
linenumberstrue
collapsetrue
    drmaa2_error drmaa2_close_jsession (drmaa2_jsession js_)
       drmaa2_close_jsession - closes the drmaa2_job session pointed by js

       Parameters:
           js_ - pointer to drmaa2_job session which needs to be closed

       Side-Effects: none

       

       Returns:
           drmaa2_error - returns DRMAA2_SUCCESS if successful returns DRMAA2_INVALID_SESSION if session is invalid

   drmaa2_error drmaa2_close_msession (drmaa2_msession ms_)
       Dis-associates monitoring session from DRMS. Should be callable only once else it should return DRMAA2_INVALID_SESSION error.

       Parameters:
           ms_ - pointer to drmaa2 monitoring session created earlier.

       Side-Effects: none

       

       Returns:
           NULL and also sets sets drmaa2_lasterror_v to DRMAA2_INVALID_SESSION error if fails DRMAA2_SUCCESS if succeeds

   drmaa2_error drmaa2_close_rsession (drmaa2_rsession rs_)
       Disassociates reservation session from DRMS. Should be callable only once else it should return DRMAA2_INVALID_SESSION error.

       Parameters:
           rs_ - pointer to drmaa2 reservation session created earlier.

       Side-Effects: none

       

       Returns:
           NULL and also sets sets drmaa2_lasterror_v to DRMAA2_INVALID_SESSION error if fails DRMAA2_SUCCESS if succeeds

   drmaa2_jsession drmaa2_create_jsession (const char * session_name_, const char * contact_)
       Creates a drmaa2 job session for a given name and contact.

       Parameters:
           session_name_ - Name of the session .
           contact_ - DRMS name.

       Side-Effects: none

       

       Returns:
           drmaa2_jsession if succeeds NULL if fails and sets drmaa2_lasterror_v to DRMAA2_INVALID_ARGUMENT error.

   drmaa2_rsession drmaa2_create_rsession (const char * session_name_, const char * contact_)
       Creates a drmaa2 reservation session for a given name and contact.

       Parameters:
           session_name_ - Name of the session.
           contact_ - DRMS name.

       Side-Effects: none

       

       Returns:
           drmaa2_jsession if succeeds NULL if fails and sets drmaa2_lasterror_v to DRMAA2_INVALID_ARGUMENT error.

   drmaa2_string drmaa2_describe_attribute (const void * instance, const char * name)
   drmaa2_error drmaa2_destroy_jsession (const char * session_name_)
       drmaa2_destroy_jsession - destroys the drmaa2_job session pointed by js

       Parameters:
           session_name_ - pointer to drmaa2_job session which needs to be closed

       Side-Effects: none

       

       Returns:
           drmaa2_error - returns DRMAA2_SUCCESS if successful returns DRMAA2_INVALID_ARGUMENT if session name is invalid

   drmaa2_error drmaa2_destroy_rsession (const char * session_name_)
       Reaps the persisted or cached state information for the given session name.

       Parameters:
           session_name_ - Name of the session.

       Side-Effects: none

       

       Returns:
           NULL and also sets sets drmaa2_lasterror_v to DRMAA2_INVALID_SESSION error if fails DRMAA2_SUCCESS if succeeds

   drmaa2_dict drmaa2_dict_create (const drmaa2_dict_entryfree callback)
       This function creates a drmaa dictionary.

       Parameters:
           callback - Call back function to call when free is called.

       Side-Effects: none

       

       Returns:
           drmaa2_dict

   drmaa2_error drmaa2_dict_del (drmaa2_dict d, const char * key)
       This function deletes the entry with specified key from the dictionary.

       Parameters:
           d - Pointer to drmaa dict
           key - pointer to key string

       Side-Effects: none

       

       Returns:
           drmaa2_error

       Return values:
           DRMAA2_INVALID_ARGUMENT

   void drmaa2_dict_free (drmaa2_dict * dRef)
       This function frees a drmaa dict.

       Parameters:
           dRef - Pointer to drmaa dict

       Side-Effects: none

       

       Returns:
           void

   const char* drmaa2_dict_get (const drmaa2_dict d, const char * key)
       This function gets the key's value from the dictionary.

       Parameters:
           d - Pointer to drmaa dict
           key - pointer to key string

       Side-Effects: none

       

       Returns:
           char *

   drmaa2_bool drmaa2_dict_has (const drmaa2_dict d, const char * key)
       This function checks for the presence of key in the dictionary.

       Parameters:
           d - Pointer to drmaa dict
           key - pointer to key string

       Side-Effects: none

       

       Returns:
           drmaa2_bool

   drmaa2_string_list drmaa2_dict_list (const drmaa2_dict d)
       This function returns a drmaa list of keys in the dictionary.

       Parameters:
           d - Pointer to drmaa dict

       Side-Effects: none

       

       Returns:
           drmaa2_string_list

   drmaa2_error drmaa2_dict_set (drmaa2_dict d, const char * key, const char * val)
       This function sets the key value pair to the dictionary.

       Parameters:
           d - Pointer to drmaa dict
           key - pointer to key string
           val - pointer to value string

       Side-Effects: none

       

       Returns:
           drmaa2_error

       Return values:
           DRMAA2_INVALID_ARGUMENT DRMAA2_SUCCESS

   drmaa2_string drmaa2_get_drmaa_name (void)
       drmaa2_get_drmaa_name - returns the DRM application name

       Parameters:
           - void

       Side-Effects: none

       

       Returns:
           drmaa2_string

   drmaa2_version drmaa2_get_drmaa_version (void)
       drmaa2_get_drmaa_version - returns the DRM application version

       Parameters:
           - void

       Side-Effects: none

       

       Returns:
           drmaa2_version

   drmaa2_string drmaa2_get_drms_name (void)
       drmaa2_get_drms_name - returns the DRM system name

       Parameters:
           - void

       Side-Effects: none

       

       Returns:
           drmaa2_string

   drmaa2_version drmaa2_get_drms_version (void)
       drmaa2_get_drms_version - returns the DRM system version

       Parameters:
           - void

       Side-Effects: none

       

       Returns:
           drmaa2_version

   drmaa2_string drmaa2_get_instance_value (const void * instance, const char * name)
   drmaa2_string_list drmaa2_get_jsession_names (void)
       drmaa2_get_jsession_names - returns the list of drmaa2_job sessions

       Side-Effects: none

       

       Returns:
           drmaa2_string_list - returns list of job session names available

   drmaa2_string_list drmaa2_get_rsession_names (void)
       Get a list of all reservation session names.

       Side-Effects: none

       Returns:
           drmaa2_string_list

       Return values:
           NULL - If there are no existing reservation sessions

           · If this feature is not supported, set drmaa2_lasterror_v to DRMAA2_UNSUPPORTED_OPERATION

   void drmaa2_j_free (drmaa2_j * j)
       drmaa2_j_free - frees the drmaa2_job structure pointed by j

       Parameters:
           j - pointer to drmaa2_job

       Side-Effects: none

       

       Returns:
           void

   drmaa2_string drmaa2_j_get_id (const drmaa2_j j)
                   drmaa2_j_get_id() - Returns newly allocated drmaa2_job id string

       Parameters:
           j - pointer to drmaa2_job structure.

       Side-Effects: none

       

       Returns:
           drmaa2_string - Gets the job id from drmaa2_job

   drmaa2_jinfo drmaa2_j_get_info (const drmaa2_j j)
           drmaa2_j_get_info() - Gets drmaa2_job info structure from the drmaa2_job in drmaa2_j structure.

       Parameters:
           j - pointer to drmaa2_job structure.

       Side-Effects: none

       

       Returns:
           drmaa2_jinfo - returns drmaa2_jinfo if successful

   drmaa2_jtemplate drmaa2_j_get_jt (const drmaa2_j j)
           drmaa2_j_get_jt() - Returns pointer of drmaa2_job template structure from Job.

       Parameters:
           j - pointer to drmaa2_job structure.

       Side-Effects: none

       

       Returns:
           drmaa2_string - Gets the job template from drmaa2_job

   drmaa2_string drmaa2_j_get_session_name (const drmaa2_j j)
           drmaa2_j_get_session_name() - Returns newly allocated session name string

       Parameters:
           j - pointer to drmaa2_job structure.

       Side-Effects: none

       

       Returns:
           drmaa2_string - gets the session name from drmaa2_session

   drmaa2_jstate drmaa2_j_get_state (const drmaa2_j j, drmaa2_string * substate)
           drmaa2_j_get_state() - Gets drmaa2_job state from the drmaa2_job in drmaa2_j structure.

       Parameters:
           j - pointer to drmaa2_job structure.
           substate - state of the drmaa2_job in drmaa2_j structure

       Side-Effects: none

       

       Returns:
           drmaa2_jstate - returns current drmaa2_job state

   drmaa2_error drmaa2_j_hold (drmaa2_j j)
           drmaa2_j_hold() - Holds the drmaa2_job in drmaa2_j structure.

       Parameters:
           j - pointer to drmaa2_job structure.

       Side-Effects: none

       

       Returns:
           drmaa2_error - Returns DRMAA2_SUCCESS on success Returns DRMAA2_INVALID_STATE if job state is invalid for hold

   drmaa2_error drmaa2_j_release (drmaa2_j j)
           drmaa2_j_release() - Releases the drmaa2_job in drmaa2_j structure.

       Parameters:
           j - pointer to drmaa2_job structure.

       Side-Effects: none

       

       Returns:
           drmaa2_error - Returns DRMAA2_SUCCESS on success Returns DRMAA2_INVALID_STATE if job state is invalid for release

   drmaa2_error drmaa2_j_resume (drmaa2_j j)
           drmaa2_j_resume() - Resumes the drmaa2_job in drmaa2_j structure.

       Parameters:
           j - pointer to drmaa2_job structure.

       Side-Effects: none

       

       Returns:
           drmaa2_error - Returns DRMAA2_SUCCESS on success Returns DRMAA2_INVALID_STATE if job state is invalid for resume

   drmaa2_error drmaa2_j_suspend (drmaa2_j j)
           drmaa2_j_suspend() - Suspends the drmaa2_job in drmaa2_j structure.

       Parameters:
           j - pointer to drmaa2_job structure.

       Side-Effects: none

       

       Returns:
           drmaa2_error - Returns DRMAA2_SUCCESS on success Returns DRMAA2_INVALID_STATE if job state is invalid for suspend

   drmaa2_error drmaa2_j_terminate (drmaa2_j j)
           drmaa2_j_terminate() - Terminates the drmaa2_job in drmaa2_j structure.

       Parameters:
           j - pointer to drmaa2_job structure.

       Side-Effects: none

       

       Returns:
           drmaa2_error - Returns DRMAA2_SUCCESS on success

   drmaa2_error drmaa2_j_wait_started (const drmaa2_j j, const time_t timeout)
           drmaa2_j_wait_started() - Blocks till the drmaa2_job is started or till timeout expires

       Parameters:
           j - pointer to drmaa2_job structure.
           timeout - Timeout in time_t format.

       Side-Effects: none

       

       Returns:
           drmaa2_error - returns DRMAA2_SUCCESS if successful returns DRMAA2_TIMEOUT if timeout happened

   drmaa2_error drmaa2_j_wait_terminated (const drmaa2_j j, const time_t timeout)
           drmaa2_j_wait_terminated() - Blocks till the drmaa2_job is terminated or till timeout expires

       Parameters:
           j - pointer to drmaa2_job structure.
           timeout - Timeout in time_t format.

       Side-Effects: none

       

       Returns:
           drmaa2_error - returns DRMAA2_SUCCESS if successful returns DRMAA2_TIMEOUT if timeout happened

   void drmaa2_jarray_free (drmaa2_jarray * ja)
       drmaa2_jarray_free - frees the drmaa2_job array structure pointed by ja

       Parameters:
           ja - pointer to DRMAA jo array

       Side-Effects: none

       

       Returns:
           void

   drmaa2_string drmaa2_jarray_get_id (const drmaa2_jarray ja)
       drmaa2_jarray_get_id() Gets the id from drmaa2 drmaa2_job array.

       Parameters:
           ja - pointer to drmaa2_job array

       Side-Effects: none

       

       Returns:
           drmaa2_string - job id of drmaa2_job array

   drmaa2_jtemplate drmaa2_jarray_get_job_template (const drmaa2_jarray ja)
       drmaa2_jarray_get_job_template - returns the drmaa2_job template used to submit the drmaa2_job array.

       Parameters:
           ja - pointer to drmaa2_job array

       Side-Effects: none

       

       Returns:
           drmaa2_jtemplate - returns job template from drmaa2_job array

   drmaa2_j_list drmaa2_jarray_get_jobs (const drmaa2_jarray ja)
       drmaa2_jarray_get_jobs() Returns the list of jobs in the drmaa2_job array structure.

       Parameters:
           ja - Pointer to drmaa2_job array structure

       Side-Effects: none

       

       Returns:
           drmaa2_j_list - gets list of drmaa2_jobs from drmaa2_jarray

   drmaa2_string drmaa2_jarray_get_session_name (const drmaa2_jarray ja)
       drmaa2_jarray_get_session_name - gets the session name in which the drmaa2_job array is submitted

       Parameters:
           ja - pointer to drmaa2_job array

       Side-Effects: none

       

       Returns:
           drmaa2_string - returns session name from drmaa2_job array

   drmaa2_error drmaa2_jarray_hold (drmaa2_jarray ja)
       drmaa2_jarray_hold - holds the drmaa2_job array

       Parameters:
           ja - pointer to drmaa2_job array

       Side-Effects: none

       

       Returns:
           drmaa2_error - returns DRMAA2_SUCCESS if successful returns DRMAA2_INVALID_STATE if job state not valid for hold

   drmaa2_error drmaa2_jarray_release (drmaa2_jarray ja)
       drmaa2_jarray_release - releases the drmaa2_job array

       Parameters:
           ja - pointer to drmaa2_job array

       Side-Effects: none

       

       Returns:
           drmaa2_error - returns DRMAA2_SUCCESS if successful returns DRMAA2_INVALID_STATE if job state not valid for release

   drmaa2_error drmaa2_jarray_resume (drmaa2_jarray ja)
       drmaa2_jarray_resume - resumes the drmaa2_job array

       Parameters:
           ja - pointer to drmaa2_job array

       Side-Effects: none

       

       Returns:
           drmaa2_error - returns DRMAA2_SUCCESS if successful returns DRMAA2_INVALID_STATE if job state not valid for resume

   drmaa2_error drmaa2_jarray_suspend (drmaa2_jarray ja)
       drmaa2_jarray_suspend - suspends the drmaa2_job array

       Parameters:
           ja - pointer to drmaa2_job array

       Side-Effects: none

       

       Returns:
           drmaa2_error - returns DRMAA2_SUCCESS if successful returns DRMAA2_INVALID_STATE if job state not valid for suspend

   drmaa2_error drmaa2_jarray_terminate (drmaa2_jarray ja)
       drmaa2_jarray_terminate - terminates the drmaa2_job array

       Parameters:
           ja - pointer to drmaa2_job array

       Side-Effects: none

       

       Returns:
           drmaa2_error - returns DRMAA2_SUCCESS if successful

   drmaa2_jinfo drmaa2_jinfo_create (void)
        drmaa2_jinfo_create() - creates a drmaa2_job info structure and returns its pointer

       Side-Effects: none

       

       Returns:
           drmaa2_jinfo - pointer to newly allocated drmaa2_jinfo structure NULL - if allocation fails and DRMAA2_OUT_OF_RESOURCE error is set

   void drmaa2_jinfo_free (drmaa2_jinfo * jiRef)
        drmaa2_jinfo_free() - frees the drmaa2_job info structure and its inner data types

       Parameters:
           jiRef - pointer to drmaa2_job info structure.

       Side-Effects: none

       

       Returns:
           void

   drmaa2_string_list drmaa2_jinfo_impl_spec (void)
       drmaa2_jinfo_impl_spec - Lists the drmaa spec implementations supported for job info (e.g. drmaa, drmaa2)

       Side-Effects: none

       Returns:
           drmaa2_string_list

       Return values:
           list of drmaa spec implementations supported
           NULL - If this feature is not supported, set drmaa2_lasterror_v to DRMAA2_UNSUPPORTED_OPERATION

   void drmaa2_jsession_free (drmaa2_jsession * js)
       drmaa2_jsession_free Frees the memory of Job session pointed by js

       Parameters:
           js - pointer to drmaa2_jsession.

       Side-Effects: none

       

       Returns:
           void

   drmaa2_string drmaa2_jsession_get_contact (const drmaa2_jsession js)
       drmaa2_jsession_get_contact - Returns the DRMS name of the drmaa2_job session

       Parameters:
           js - pointer to drmaa2_job session.

       Side-Effects: none

       

       Returns:
           drmaa2_string - returns the DRMS name from drmaa2_jsession

   drmaa2_jarray drmaa2_jsession_get_job_array (const drmaa2_jsession js, const drmaa2_string jobarrayId)
       drmaa2_jsession_get_job_array - returns the specified job array from the drmaa2_job session

       Parameters:
           js - pointer to drmaa2_job session.
           jobarrayId - Job array id which needs to be retrieved

       Side-Effects: none

       

       Returns:
           drmaa2_jarray - returns pointer to drmaa2_jarray with specified jobarrayId in the job session

   drmaa2_string_list drmaa2_jsession_get_job_categories (const drmaa2_jsession js)
       drmaa2_jsession_get_job_categories - returns the string list of drmaa2_job categories in the drmaa2_job session

       Parameters:
           js - pointer to drmaa2_job session

       Side-Effects: none

       

       Returns:
           drmaa2_string_list - returns list of job categories from drmaa2_jsession

   drmaa2_j_list drmaa2_jsession_get_jobs (const drmaa2_jsession js, const drmaa2_jinfo filter)
       drmaa2_jsession_get_jobs - returns list of jobs in the drmaa2_job session matching the jobinfo filter

       Parameters:
           js - pointer to drmaa2_job session js
           filter - filter for getting jobs with specific conditions

       Side-Effects: none

       

       Returns:
           drmaa2_j_list - returns list of jobs matching the drmaa2_job filter provided

   drmaa2_string drmaa2_jsession_get_session_name (const drmaa2_jsession js)
       drmaa2_jsession_get_session_name - returns the session name from drmaa2_job session.

       Parameters:
           js - pointer to drmaa2_job session

       Side-Effects: none

       

       Returns:
           drmaa2_string - returns session name from drmaa2_jsession

   drmaa2_jarray drmaa2_jsession_run_bulk_jobs (const drmaa2_jsession js_, const drmaa2_jtemplate jt_, unsigned long begin_index_, unsigned long end_index_, unsigned long step_, unsigned long
       max_parallel_)
       Write description of function here.

       Parameters:
           js_ - pointer to drmaa2_job session
           jt_ - Job template to be considered or used
           begin_index_ - Starting index of drmaa2_job array
           end_index_ - Ending index of drmaa2_job array
           step_ - Increment between each jobs
           max_parallel_ - Maximum parallel jobs to run

       Side-Effects: none

       

       Returns:
           drmaa2_jarray - returns pointer to drmaa2_jarray if successful returns NULL and sets last error to DRMAA2_INVALID_ARGUMENT if any argument is invalid returns NULL and sets last error to
           DRMAA2_INTERNAL if any internal error occurs

   drmaa2_j drmaa2_jsession_run_job (const drmaa2_jsession js_, const drmaa2_jtemplate jt_)
       drmaa2_jsession_run_job - runs job in the job session with the drmaa2_job template specified

       Parameters:
           js_ - pointer to drmaa2_job session
           jt_ - Job template that needs to be run

       Side-Effects: none

       

       Returns:
           drmaa2_j - returns pointer to job which is newly started in the job session returns NULL and sets last error to DRMAA2_INVALID_ARGUMENT if any argument is invalid returns NULL and sets
           last error to DRMAA2_INVALID_SESSION if session name is invalid

   drmaa2_j drmaa2_jsession_wait_any_started (const drmaa2_jsession js, const drmaa2_j_list l, const time_t timeout)
       drmaa2_jsession_wait_any_started - blocks till the drmaa2_job in the drmaa2_job session started or till the time out

       Parameters:
           js - pointer to drmaa2_job session
           l - list of drmaa2_jobs
           timeout - timeout to wait if event has not occurred

       Side-Effects: none

       

       Returns:
           drmaa2_j - returns pointer to drmaa2_job which started returns NULL and last error is set to DRMAA2_TIMEOUT if timeout happens

   drmaa2_j drmaa2_jsession_wait_any_terminated (const drmaa2_jsession js, const drmaa2_j_list l, const time_t timeout)
       drmaa2_jsession_wait_any_terminated - blocks till the drmaa2_job in the drmaa2_job session ended or till the time out

       Parameters:
           js - pointer to drmaa2_job session
           l - list of drmaa2_jobs
           timeout - timeout to wait if event has not occurs

       Side-Effects: none

       

       Returns:
           drmaa2_j - returns pointer to drmaa2_job which terminated returns NULL and last error is set to DRMAA2_TIMEOUT if timeout happens

   drmaa2_jtemplate drmaa2_jtemplate_create (void)
        drmaa2_jtemplate_create() - creates a drmaa2_job template structure and returns its pointer

       Side-Effects: none

       

       Returns:
           drmaa2_jtemplate - pointer to drmaa2_jtemplate if allocated NULL - if allocation fails and DRMAA2_OUT_OF_RESOURCE error is set

   void drmaa2_jtemplate_free (drmaa2_jtemplate * jtemplate)
        drmaa2_jtemplate_free() - frees a drmaa2_job template structure and its inner data types

       Parameters:
           jtemplate - pointer to drmaa2_job template structure.

       Side-Effects: none

       

       Returns:
           void

   drmaa2_string_list drmaa2_jtemplate_impl_spec (void)
       drmaa2_jtemplate_impl_spec - Lists the drmaa spec implementations supported for job template (e.g. drmaa, drmaa2)

       Side-Effects: none

       Returns:
           drmaa2_string_list

       Return values:
           list of drmaa spec implementations supported
           NULL - If this feature is not supported, set drmaa2_lasterror_v to DRMAA2_UNSUPPORTED_OPERATION

   drmaa2_error drmaa2_lasterror (void)
       This function returns the last occurred error.

       Side-Effects: none

       

       Returns:
           drmaa2_error

   drmaa2_string drmaa2_lasterror_text (void)
       This function returns the last occurred error in string.

       Side-Effects: none

       

       Returns:
           drmaa2_string - newly allocated string of last error NULL - If no error text exists

   drmaa2_error drmaa2_list_add (drmaa2_list l, const void * value)
       This function adds an element to the list.

       Parameters:
           l - Pointer to drmaa list
           value - pointer to the element which needs to be inserted

       Side-Effects: none

       

       Returns:
           drmaa2_error

       Return values:
           DRMAA2_INVALID_ARGUMENT DRMAA2_OUT_OF_RESOURCE DRMAA2_SUCCESS

   drmaa2_list drmaa2_list_create (const drmaa2_listtype t, const drmaa2_list_entryfree callback)
       This function creates a drmaa list.

       Parameters:
           t - Type of the list which needs to be created
           callback - Call back function to call when free is called.

       Side-Effects: none

       

       Returns:
           drmaa2_list

   drmaa2_error drmaa2_list_del (drmaa2_list l, long pos)
       This function deletes an element from the list.

       Parameters:
           l - Pointer to drmaa list
           pos - position of the element which needs to be deleted

       Side-Effects: none

       

       Returns:
           drmaa2_error

       Return values:
           DRMAA2_INVALID_ARGUMENT DRMAA2_SUCCESS

   void drmaa2_list_free (drmaa2_list * l)
       s This function frees a drmaa list

       Parameters:
           l - Pointer to drmaa list

       Side-Effects: none

       

       Returns:
           void

   const void* drmaa2_list_get (const drmaa2_list l, long index)
       This function gets the element form a particular position of the list.

       Parameters:
           l - Pointer to drmaa list
           index - postion from whcih the data has to be taken

       Side-Effects: none

       

       Returns:
           void* - pointer to the element retured as void* NULL - If the position is not valid

   long drmaa2_list_size (const drmaa2_list l)
       This function returns the size of the list.

       Parameters:
           l - Pointer to drmaa list

       Side-Effects: none

       

       Returns:
           long

   drmaa2_machineinfo drmaa2_machineinfo_create (void)
        drmaa2_machineinfo_create() - creates a drmaa2_machineinfo info structure and returns its pointer

       Side-Effects: none

       

       Returns:
           drmaa2_machineinfo - pointer to newly allocated drmaa2_machineinfo structure NULL - if allocation fails and DRMAA2_OUT_OF_RESOURCE error is set

   void drmaa2_machineinfo_free (drmaa2_machineinfo * miRef)
       This function frees the pre-allocated drmaa machine info structure.

       Parameters:
           miRef - Pointer to drmaa machine info

       Side-Effects: none

       

       Returns:
           void

   drmaa2_string_list drmaa2_machineinfo_impl_spec (void)
       drmaa2_machineinfo_impl_spec - Lists the machine info spec implementations supported

       Side-Effects: none

       Returns:
           drmaa2_string_list

       Return values:
           list of machineinfo spec implementations supported
           NULL - If this feature is not supported, set drmaa2_lasterror_v to DRMAA2_UNSUPPORTED_OPERATION

   void drmaa2_msession_free (drmaa2_msession * ms)
   drmaa2_j_list drmaa2_msession_get_all_jobs (const drmaa2_msession ms_, const drmaa2_jinfo filter_)
       Returns the list of all jobs i.e. DRMAA2 jobs and the jobs submitted out of DRMAA2 library also. The list or number of jobs returned should adhere to DRMS policies. Ex: The list might be
       limited to contain only the jobs seen by the DRMAA2 user.

       Parameters:
           ms_ - pointer to drmaa2_msession created earlier
           filter_ - of type drmaa2_jinfo (through which we can query jobs per jobstate, job owner and per queue etc

       Side-Effects: none

       

       Returns:
           drmaa2_j_list if succeeds NULL if fails

   drmaa2_machineinfo_list drmaa2_msession_get_all_machines (const drmaa2_msession ms_, const drmaa2_string_list names_)
       Returns list of machines or hosts available for submitting jobs in the DRMS system.

       Parameters:
           ms_ pointer to drmaa2_msession created earlier
           names_ a list of queue names acts as filter i.e. we fetch info of only these queues.

       Side-Effects: none

       

       Returns:
           drmaa2_machineinfo_list if succeeds NULL if fails.

   drmaa2_queueinfo_list drmaa2_msession_get_all_queues (const drmaa2_msession ms_, const drmaa2_string_list names_)
       Returns list of queues available for submitting jobs in the DRMS system.

       Parameters:
           ms_ pointer to drmaa2_msession created earlier
           names_ a list of queue names acts as filter i.e. we fetch info of only these queues.

       Side-Effects: none

        or MT-Safe

       Returns:
           drmaa2_queueinfo_list if succeeds NULL if fails.

   drmaa2_r_list drmaa2_msession_get_all_reservations (const drmaa2_msession ms_)
       Returns the list of all advance reservations visible for the user running the DRMAA-based application. The list or number of jobs returned should adhere to DRMS policies. Ex: The list might
       be limited to contain only the reservations seen by the DRMAA2 user.

       Parameters:
           ms_ pointer to drmaa2_msession created earlier

       Side-Effects: none

       

       Returns:
           drmaa2_j_list if succeeds NULL if fails

   void drmaa2_notification_free (drmaa2_notification * nRef)
       This function frees the pre-allocated drmaa notification structure.

       Parameters:
           nRef - Pointer to drmaa notification

       Side-Effects: none

       

       Returns:
           void

   drmaa2_string_list drmaa2_notification_impl_spec (void)
       drmaa2_notification_impl_spec - Lists the notification spec implementations supported

       Side-Effects: none

       Returns:
           drmaa2_string_list

       Return values:
           list of notification spec implementations supported
           NULL - If this feature is not supported, set drmaa2_lasterror_v to DRMAA2_UNSUPPORTED_OPERATION

   drmaa2_jsession drmaa2_open_jsession (const char * session_name_)
       drmaa2_open_jsession - Opens an already existing drmaa2_job session

       Parameters:
           session_name_ - Session name of the drmaa2_job session which needs to be opened

       Side-Effects: none

       

       Returns:
           drmaa2_jsession - returns pointer to drmaa2_jsession for a session which is already present

   drmaa2_msession drmaa2_open_msession (const char * contact_)
       Opens the monitoring session.

       Parameters:
           contact_ - Contact of the session

       Side-Effects: none

       

       Returns:
           drmaa2_msession if the session exists NULL if the session does not exist and if session name is invalid and also sets drmaa2_lasterror_v to DRMAA2_INVALID_ARGUMENT error

   drmaa2_rsession drmaa2_open_rsession (const char * session_name_)
       Opens the previously created session.

       Parameters:
           session_name_ - Name of the session.

       Side-Effects: none

       

       Returns:
           drmaa2_rsession if a session exists NULL if the session does not exist and if session name is invalid and also sets drmaa2_lasterror_v to DRMAA2_INVALID_ARGUMENT error.

   drmaa2_queueinfo drmaa2_queueinfo_create (void)
        drmaa2_queueinfo_create() - creates a drmaa2_queueinfo structure and returns its pointer

       Side-Effects: none

       

       Returns:
           drmaa2_queueinfo - pointer to newly allocated drmaa2_queueinfo structure NULL - if allocation fails and DRMAA2_OUT_OF_RESOURCE error is set

   void drmaa2_queueinfo_free (drmaa2_queueinfo * qiRef)
       This function frees the pre-allocated drmaa queueinfo structure.

       Parameters:
           qiRef - Pointer to drmaa queueinfo

       Side-Effects: none

       

       Returns:
           void

   drmaa2_string_list drmaa2_queueinfo_impl_spec (void)
       drmaa2_queueinfo_impl_spec - Lists the queue info spec implementations supported

       Side-Effects: none

       Returns:
           drmaa2_string_list

       Return values:
           list of queueinfo spec implementations supported
           NULL - If this feature is not supported, set drmaa2_lasterror_v to DRMAA2_UNSUPPORTED_OPERATION

   void drmaa2_r_free (drmaa2_r * r)
   drmaa2_string drmaa2_r_get_id (const drmaa2_r r)
       Get the reservation id from a given reservation object.

       Parameters:
           r - given reservation object

       Side-Effects: none

       Returns:
           drmaa2_string

       Return values:
           - reservation id

   drmaa2_rinfo drmaa2_r_get_info (const drmaa2_r r)
       Get the reservation info from a given reservation object.

       Parameters:
           r - given reservation object

       Side-Effects: none

       Returns:
           drmaa2_rinfo

       Return values:
           - reservation info object

   drmaa2_rtemplate drmaa2_r_get_reservation_template (const drmaa2_r r)
       Get the reservation template from a given reservation object.

       Parameters:
           r - given reservation object

       Side-Effects: none

       Returns:
           drmaa2_rtemplate

       Return values:
           - reservation template

   drmaa2_string drmaa2_r_get_session_name (const drmaa2_r r)
       Get the reservation session name from a given reservation object.

       Parameters:
           r - given reservation object

       Side-Effects: none

       Returns:
           drmaa2_string

       Return values:
           - reservation session name

   drmaa2_error drmaa2_r_terminate (drmaa2_r r)
       Terminate a given reservation.

       Parameters:
           r - given reservation object

       Side-Effects: none

       Returns:
           drmaa2_error

       Return values:
           DRMAA2_SUCCESS
           DRMAA2_DENIED_BY_DRMS

   drmaa2_error drmaa2_register_event_notification (const drmaa2_callback callback)
       Registers a drmaa2_callback with the DRMS library. For the first phase of implementation we do not support this.

       Parameters:
           callback - a structure of type drmaa2_callback containing the details of callback function, event etc

       Side-Effects: none

       

       Returns:
           DRMAA2_UNSUPPORTED_OPERATION error if fails DRMAA2_SUCCESS if succeeds

   drmaa2_rinfo drmaa2_rinfo_create (void)
        drmaa2_rinfo_create() - creates a drmaa2_reservation info structure and returns its pointer

       Side-Effects: none

       

       Returns:
           drmaa2_rinfo - pointer to newly allocated drmaa2_rinfo structure NULL - if allocation fails and DRMAA2_OUT_OF_RESOURCE error is set

   void drmaa2_rinfo_free (drmaa2_rinfo * riRef)
       This function frees the pre-allocated drmaa rinfo structure.

       Parameters:
           riRef - Pointer to drmaa reservation info

       Side-Effects: none

       

       Returns:
           void

   drmaa2_string_list drmaa2_rinfo_impl_spec (void)
       Lists the drmaa spec implementations supported for reservation info (e.g. drmaa, drmaa2)

       Side-Effects: none

       Returns:
           drmaa2_string_list

       Return values:
           list of drmaa spec implementations supported
           NULL - If this feature is not supported, set drmaa2_lasterror_v to DRMAA2_UNSUPPORTED_OPERATION

   void drmaa2_rsession_free (drmaa2_rsession * rs)
       drmaa2_rsession_free Frees the memory of Reservation session pointed by rs

       Parameters:
           rs - pointer to drmaa2_rsession.

       Side-Effects: none

       

       Returns:
           void

   drmaa2_string drmaa2_rsession_get_contact (const drmaa2_rsession rs)
       Get the contact of a given drmaa2 reservation session.

       Parameters:
           rs - given reservation session

       Side-Effects: none

       Returns:
           drmaa2_string

       Return values:
           - contact name associated with reservation session
           NULL - if reservation session is invalid, drmaa2_lasterror_v set to DRMAA2_INVALID_SESSION

   drmaa2_r drmaa2_rsession_get_reservation (const drmaa2_rsession rs, const drmaa2_string reservationId)
       Get the reservation object from a specific reservation session with the given reservation id.

       Parameters:
           rs - given reservation session
           reservationId - given reservation id

       Side-Effects: none

       Returns:
           drmaa2_r

       Return values:
           - reservation interface
           NULL - if reservation session is invalid, drmaa2_lasterror_v set to DRMAA2_INVALID_SESSION

           · if reservation id is invalid, drmaa2_lasterror_v set to DRMAA2_INVALID_ARGUMENT

   drmaa2_r_list drmaa2_rsession_get_reservations (const drmaa2_rsession rs_)
       Get all the reservation objects from a specific reservation session.

       Parameters:
           rs_ - given reservation session

       Side-Effects: none

       Returns:
           drmaa2_r_list

       Return values:
           - reservation interface list
           NULL - if reservation session is invalid, drmaa2_lasterror_v set to DRMAA2_INVALID_SESSION

   drmaa2_string drmaa2_rsession_get_session_name (const drmaa2_rsession rs)
       Get the session name of a given drmaa2 reservation session.

       Parameters:
           rs - given reservation session

       Side-Effects: none

       Returns:
           drmaa2_string

       Return values:
           - session name associated with reservation session
           NULL - if reservation session is invalid, drmaa2_lasterror_v set to DRMAA2_INVALID_SESSION

   drmaa2_r drmaa2_rsession_request_reservation (const drmaa2_rsession rs, const drmaa2_rtemplate rt_)
       Creates a reservation object in a specific reservation session with the given reservation template. it also evaluates reservation template for the mandatory attributes and sends the request
       to DRMS.

       Parameters:
           rs - given reservation session
           rt_ - given reservation template

       Side-Effects: none

       Returns:
           drmaa2_r

       Return values:
           - reservation interface
           NULL - if reservation session is invalid, drmaa2_lasterror_v set to DRMAA2_INVALID_SESSION

           · if reservation template evaluation fails, drmaa2_lasterror_v set to DRMAA2_UNSUPPORTED_ATTRIBUTE

           · if DRMS rejects reservation request, drmaa2_lasterror_v set to DRMAA2_DENIED_BY_DRMS

   drmaa2_rtemplate drmaa2_rtemplate_create (void)
       This function frees the pre-allocated drmaa rtemplate structure.

       Side-Effects: none

       

       Returns:
           drmaa2_rtemplate

   void drmaa2_rtemplate_free (drmaa2_rtemplate * rt)
       This function frees the pre-allocated drmaa rtemplate structure.

       Parameters:
           rt - Pointer to drmaa rtemplate

       Side-Effects: none

       

       Returns:
           void

   drmaa2_string_list drmaa2_rtemplate_impl_spec (void)
       Lists the drmaa spec implementations supported for reservation template (e.g. drmaa, drmaa2)

       Side-Effects: none

       Returns:
           drmaa2_string_list

       Return values:
           list of drmaa spec implementations supported
           NULL - If this feature is not supported, set drmaa2_lasterror_v to DRMAA2_UNSUPPORTED_OPERATION

   drmaa2_error drmaa2_set_instance_value (void * instance, const char * name, const char * value)
   void drmaa2_slotinfo_free (drmaa2_slotinfo * siRef)
       This function frees the pre-allocated drmaa slotinfo.

       Parameters:
           siRef - Pointer to drmaa slotinfo

       Side-Effects: none

       

       Returns:
           void

   void drmaa2_string_free (drmaa2_string * str)
       This function frees the previously allocated drmaa2_string.

       Parameters:
           str - pointer to pre allocated drmaa2_string

       Side-Effects: none

       

       Returns:
           void

   drmaa2_bool drmaa2_supports (const drmaa2_capability c)
       drmaa2_supports - returns true if drmaa supports the provided drmaa2_capability

       Parameters:
           c - drmaa2_capability enum value

       Side-Effects: none

       

       Returns:
           drmaa2_version

   void drmaa2_version_free (drmaa2_version * vRef)
       This function frees the pre-allocated drmaa version structure.

       Parameters:
           vRef - Pointer to drmaa version

       Side-Effects: none

       

       Returns:
           void


...

Code Block
languagecpp
themeEclipse
titleExample1: DRMAA2 Simple Application
linenumberstrue
collapsetrue
 	drmaa2_jsession js; /* Job session object*/		
    drmaa2_jtemplate jt; /* Job session template*/
    drmaa2_j j;  /* Job object*/
    ...
    ...
	...
    /* Create and open job session */
    js = drmaa2_create_jsession("testsession", DRMAA2_UNSET_STRING);
    if (js == NULL) {
   		 ...
       return;
    }
    ...
    ...
	...

    /* Create job template */
    jt = drmaa2_jtemplate_create();
    jt->remoteCommand = strdup("/bin/date");
    j = drmaa2_jsession_run_job(js, jt);

    ...
	...
    drmaa2_j_wait_terminated(j, DRMAA2_INFINITE_TIME);
    drmaa2_jtemplate_free(&jt);
    drmaa2_destroy_jsession("testsession");
    ...
    ...
	...
    drmaa2_j_free(&j);
    drmaa2_jsession_free(&js);
    ...
    ...
	...

...