/* * Copyright (c) 2012-2013 Los Alamos National Security, LLC. * All rights reserved. * Copyright (c) 2013-2018 Intel, Inc. All rights reserved. * Copyright (c) 2012-2014 The University of Tennessee and The University * of Tennessee Research Foundation. All rights * reserved. * Copyright (c) 2014 Cisco Systems, Inc. All rights reserved. * Copyright (c) 2021 Nanook Consulting. All rights reserved. * $COPYRIGHT$ */ #include "ompi_config.h" #include "ompi/constants.h" #include #include #include #ifdef HAVE_SYS_TYPES_H #include #endif /* HAVE_SYS_TYPES_H */ #include #ifdef HAVE_UNISTD_H #include #endif /* HAVE_UNISTD_H */ #ifdef HAVE_DIRENT_H #include #endif /* HAVE_DIRENT_H */ #ifdef HAVE_PWD_H #include #endif /* HAVE_PWD_H */ #include "opal/dss/dss.h" #include "opal/util/argv.h" #include "opal/util/error.h" #include "opal/util/opal_getcwd.h" #include "opal/util/os_path.h" #include "opal/util/os_dirpath.h" #include "opal/util/printf.h" #include "opal/util/proc.h" #include "opal/util/show_help.h" #include "opal/mca/hwloc/base/base.h" #include "opal/mca/pmix/base/base.h" #include "opal/threads/threads.h" #include "opal/threads/tsd.h" #include "opal/class/opal_list.h" #include "opal/dss/dss.h" #include "ompi/mca/rte/base/base.h" #include "ompi/mca/rte/rte.h" #include "ompi/debuggers/debuggers.h" #include "ompi/proc/proc.h" #include "ompi/runtime/params.h" #include "ompi/communicator/communicator.h" /* instantiate a debugger-required value */ volatile int MPIR_being_debugged = 0; extern ompi_rte_component_t mca_rte_pmix_component; /* storage to support OMPI */ opal_process_name_t pmix_name_wildcard = {UINT32_MAX-1, UINT32_MAX-1}; opal_process_name_t pmix_name_invalid = {UINT32_MAX, UINT32_MAX}; hwloc_cpuset_t ompi_proc_applied_binding = NULL; pmix_process_info_t pmix_process_info = {0}; bool pmix_proc_is_bound = false; static bool pmix_in_parallel_debugger = false; static bool added_transport_keys = false; static bool added_num_procs = false; static bool added_app_ctx = false; static char* pre_condition_transports_print(uint64_t *unique_key); static int _setup_job_session_dir(char **sdir); #define OPAL_SCHEMA_DELIMITER_CHAR '.' #define OPAL_SCHEMA_WILDCARD_CHAR '*' #define OPAL_SCHEMA_WILDCARD_STRING "*" #define OPAL_SCHEMA_INVALID_CHAR '$' #define OPAL_SCHEMA_INVALID_STRING "$" #define OPAL_PRINT_NAME_ARGS_MAX_SIZE 50 #define OPAL_PRINT_NAME_ARG_NUM_BUFS 16 static bool fns_init=false; static opal_tsd_key_t print_args_tsd_key; static char* opal_print_args_null = "NULL"; typedef struct { char *buffers[OPAL_PRINT_NAME_ARG_NUM_BUFS]; int cntr; } opal_print_args_buffers_t; static void buffer_cleanup(void *value) { int i; opal_print_args_buffers_t *ptr; if (NULL != value) { ptr = (opal_print_args_buffers_t*)value; for (i=0; i < OPAL_PRINT_NAME_ARG_NUM_BUFS; i++) { free(ptr->buffers[i]); } free (ptr); } } static opal_print_args_buffers_t* get_print_name_buffer(void) { opal_print_args_buffers_t *ptr; int ret, i; if (!fns_init) { /* setup the print_args function */ if (OPAL_SUCCESS != (ret = opal_tsd_key_create(&print_args_tsd_key, buffer_cleanup))) { OPAL_ERROR_LOG(ret); return NULL; } fns_init = true; } ret = opal_tsd_getspecific(print_args_tsd_key, (void**)&ptr); if (OPAL_SUCCESS != ret) return NULL; if (NULL == ptr) { ptr = (opal_print_args_buffers_t*)malloc(sizeof(opal_print_args_buffers_t)); for (i=0; i < OPAL_PRINT_NAME_ARG_NUM_BUFS; i++) { ptr->buffers[i] = (char *) malloc((OPAL_PRINT_NAME_ARGS_MAX_SIZE+1) * sizeof(char)); } ptr->cntr = 0; ret = opal_tsd_setspecific(print_args_tsd_key, (void*)ptr); } return (opal_print_args_buffers_t*) ptr; } static char* ompi_pmix_print_jobids(const opal_jobid_t job) { opal_print_args_buffers_t *ptr; unsigned long tmp1, tmp2; ptr = get_print_name_buffer(); if (NULL == ptr) { OPAL_ERROR_LOG(OPAL_ERR_OUT_OF_RESOURCE); return opal_print_args_null; } /* cycle around the ring */ if (OPAL_PRINT_NAME_ARG_NUM_BUFS == ptr->cntr) { ptr->cntr = 0; } if (OPAL_JOBID_INVALID == job) { snprintf(ptr->buffers[ptr->cntr++], OPAL_PRINT_NAME_ARGS_MAX_SIZE, "[INVALID]"); } else if (OPAL_JOBID_WILDCARD == job) { snprintf(ptr->buffers[ptr->cntr++], OPAL_PRINT_NAME_ARGS_MAX_SIZE, "[WILDCARD]"); } else { tmp1 = OMPI_JOB_FAMILY((unsigned long)job); tmp2 = OMPI_LOCAL_JOBID((unsigned long)job); snprintf(ptr->buffers[ptr->cntr++], OPAL_PRINT_NAME_ARGS_MAX_SIZE, "[%lu,%lu]", tmp1, tmp2); } return ptr->buffers[ptr->cntr-1]; } static char* ompi_pmix_print_vpids(const opal_vpid_t vpid) { opal_print_args_buffers_t *ptr; ptr = get_print_name_buffer(); if (NULL == ptr) { OPAL_ERROR_LOG(OPAL_ERR_OUT_OF_RESOURCE); return opal_print_args_null; } /* cycle around the ring */ if (OPAL_PRINT_NAME_ARG_NUM_BUFS == ptr->cntr) { ptr->cntr = 0; } if (OPAL_VPID_INVALID == vpid) { snprintf(ptr->buffers[ptr->cntr++], OPAL_PRINT_NAME_ARGS_MAX_SIZE, "INVALID"); } else if (OPAL_VPID_WILDCARD == vpid) { snprintf(ptr->buffers[ptr->cntr++], OPAL_PRINT_NAME_ARGS_MAX_SIZE, "WILDCARD"); } else { snprintf(ptr->buffers[ptr->cntr++], OPAL_PRINT_NAME_ARGS_MAX_SIZE, "%ld", (long)vpid); } return ptr->buffers[ptr->cntr-1]; } char* ompi_pmix_print_name(const ompi_process_name_t *name) { opal_print_args_buffers_t *ptr; char *job, *vpid; /* protect against NULL names */ if (NULL == name) { /* get the next buffer */ ptr = get_print_name_buffer(); if (NULL == ptr) { OPAL_ERROR_LOG(OPAL_ERR_OUT_OF_RESOURCE); return opal_print_args_null; } /* cycle around the ring */ if (OPAL_PRINT_NAME_ARG_NUM_BUFS == ptr->cntr) { ptr->cntr = 0; } snprintf(ptr->buffers[ptr->cntr++], OPAL_PRINT_NAME_ARGS_MAX_SIZE, "[NO-NAME]"); return ptr->buffers[ptr->cntr-1]; } /* get the jobid, vpid strings first - this will protect us from * stepping on each other's buffer. This also guarantees * that the print_args function has been initialized, so * we don't need to duplicate that here */ job = ompi_pmix_print_jobids(name->jobid); vpid = ompi_pmix_print_vpids(name->vpid); /* get the next buffer */ ptr = get_print_name_buffer(); if (NULL == ptr) { OPAL_ERROR_LOG(OPAL_ERR_OUT_OF_RESOURCE); return opal_print_args_null; } /* cycle around the ring */ if (OPAL_PRINT_NAME_ARG_NUM_BUFS == ptr->cntr) { ptr->cntr = 0; } snprintf(ptr->buffers[ptr->cntr++], OPAL_PRINT_NAME_ARGS_MAX_SIZE, "[%s,%s]", job, vpid); return ptr->buffers[ptr->cntr-1]; } int ompi_rte_compare_name_fields(ompi_rte_cmp_bitmask_t fields, const opal_process_name_t* name1, const opal_process_name_t* name2) { /* handle the NULL pointer case */ if (NULL == name1 && NULL == name2) { return OPAL_EQUAL; } else if (NULL == name1) { return OPAL_VALUE2_GREATER; } else if (NULL == name2) { return OPAL_VALUE1_GREATER; } /* in this comparison function, we check for exact equalities. * In the case of wildcards, we check to ensure that the fields * actually match those values - thus, a "wildcard" in this * function does not actually stand for a wildcard value, but * rather a specific value - UNLESS the CMP_WILD bitmask value * is set */ /* check job id */ if (OMPI_RTE_CMP_JOBID & fields) { if (OMPI_RTE_CMP_WILD & fields && (pmix_name_wildcard.jobid == name1->jobid || pmix_name_wildcard.jobid == name2->jobid)) { goto check_vpid; } if (name1->jobid < name2->jobid) { return OPAL_VALUE2_GREATER; } else if (name1->jobid > name2->jobid) { return OPAL_VALUE1_GREATER; } } /* get here if jobid's are equal, or not being checked * now check vpid */ check_vpid: if (OMPI_RTE_CMP_VPID & fields) { if (OMPI_RTE_CMP_WILD & fields && (pmix_name_wildcard.vpid == name1->vpid || pmix_name_wildcard.vpid == name2->vpid)) { return OPAL_EQUAL; } if (name1->vpid < name2->vpid) { return OPAL_VALUE2_GREATER; } else if (name1->vpid > name2->vpid) { return OPAL_VALUE1_GREATER; } } /* only way to get here is if all fields are being checked and are equal, * or jobid not checked, but vpid equal, * only vpid being checked, and equal * return that fact */ return OPAL_EQUAL; } int ompi_rte_convert_string_to_process_name(opal_process_name_t *name, const char* name_string) { char *temp, *token; opal_jobid_t job; opal_vpid_t vpid; int return_code=OPAL_SUCCESS; /* set default */ name->jobid = pmix_name_invalid.jobid; name->vpid = pmix_name_invalid.vpid; /* check for NULL string - error */ if (NULL == name_string) { OPAL_ERROR_LOG(OPAL_ERR_BAD_PARAM); return OPAL_ERR_BAD_PARAM; } temp = strdup(name_string); /** copy input string as the strtok process is destructive */ token = strchr(temp, OPAL_SCHEMA_DELIMITER_CHAR); /** get first field -> jobid */ /* check for error */ if (NULL == token) { OPAL_ERROR_LOG(OPAL_ERR_BAD_PARAM); free(temp); return OPAL_ERR_BAD_PARAM; } *token = '\0'; token++; /* check for WILDCARD character - assign * value accordingly, if found */ if (0 == strcmp(temp, OPAL_SCHEMA_WILDCARD_STRING)) { job = pmix_name_wildcard.jobid; } else if (0 == strcmp(temp, OPAL_SCHEMA_INVALID_STRING)) { job = pmix_name_invalid.jobid; } else { job = strtoul(temp, NULL, 10); } /* check for WILDCARD character - assign * value accordingly, if found */ if (0 == strcmp(token, OPAL_SCHEMA_WILDCARD_STRING)) { vpid = pmix_name_wildcard.vpid; } else if (0 == strcmp(token, OPAL_SCHEMA_INVALID_STRING)) { vpid = pmix_name_invalid.vpid; } else { vpid = strtoul(token, NULL, 10); } name->jobid = job; name->vpid = vpid; free(temp); return return_code; } int ompi_rte_convert_process_name_to_string(char** name_string, const opal_process_name_t *name) { char *tmp, *tmp2; if (NULL == name) { /* got an error */ OPAL_ERROR_LOG(OPAL_ERR_BAD_PARAM); return OPAL_ERR_BAD_PARAM; } /* check for wildcard and invalid values - where encountered, insert the * corresponding string so we can correctly parse the name string when * it is passed back to us later */ if (pmix_name_wildcard.jobid == name->jobid) { asprintf(&tmp, "%s", OPAL_SCHEMA_WILDCARD_STRING); } else if (pmix_name_invalid.jobid == name->jobid) { asprintf(&tmp, "%s", OPAL_SCHEMA_INVALID_STRING); } else { asprintf(&tmp, "%lu", (unsigned long)name->jobid); } if (pmix_name_wildcard.vpid == name->vpid) { asprintf(&tmp2, "%s%c%s", tmp, OPAL_SCHEMA_DELIMITER_CHAR, OPAL_SCHEMA_WILDCARD_STRING); } else if (pmix_name_invalid.vpid == name->vpid) { asprintf(&tmp2, "%s%c%s", tmp, OPAL_SCHEMA_DELIMITER_CHAR, OPAL_SCHEMA_INVALID_STRING); } else { asprintf(&tmp2, "%s%c%lu", tmp, OPAL_SCHEMA_DELIMITER_CHAR, (unsigned long)name->vpid); } asprintf(name_string, "%s", tmp2); free(tmp); free(tmp2); return OPAL_SUCCESS; } static int ompi_pmix_convert_string_to_jobid(opal_jobid_t *jobid, const char* jobidstring) { if (NULL == jobidstring) { /* got an error */ OPAL_ERROR_LOG(OPAL_ERR_BAD_PARAM); *jobid = OPAL_JOBID_INVALID; return OPAL_ERR_BAD_PARAM; } /** check for wildcard character - handle appropriately */ if (0 == strcmp(OPAL_SCHEMA_WILDCARD_STRING, jobidstring)) { *jobid = OPAL_JOBID_WILDCARD; return OPAL_SUCCESS; } /* check for invalid value */ if (0 == strcmp(OPAL_SCHEMA_INVALID_STRING, jobidstring)) { *jobid = OPAL_JOBID_INVALID; return OPAL_SUCCESS; } *jobid = strtoul(jobidstring, NULL, 10); return OPAL_SUCCESS; } static int ompi_pmix_snprintf_jobid(char *jobid_string, size_t size, const opal_jobid_t jobid) { int rc; /* check for wildcard value - handle appropriately */ if (OPAL_JOBID_WILDCARD == jobid) { (void)strncpy(jobid_string, OPAL_SCHEMA_WILDCARD_STRING, size); } else { rc = snprintf(jobid_string, size, "%ld", (long) jobid); if (0 > rc) { return OPAL_ERROR; } } return OPAL_SUCCESS; } /** * Static functions used to configure the interactions between the OPAL and * the runtime. */ static char* _process_name_print_for_opal(const opal_process_name_t procname) { ompi_process_name_t* rte_name = (ompi_process_name_t*)&procname; return ompi_pmix_print_name(rte_name); } static char* _jobid_print_for_opal(const opal_jobid_t jobid) { return ompi_pmix_print_jobids(jobid); } static char* _vpid_print_for_opal(const opal_vpid_t vpid) { return ompi_pmix_print_vpids(vpid); } static int _process_name_compare(const opal_process_name_t p1, const opal_process_name_t p2) { return ompi_rte_compare_name_fields(OMPI_RTE_CMP_ALL, &p1, &p2); } static int _convert_string_to_process_name(opal_process_name_t *name, const char* name_string) { return ompi_rte_convert_string_to_process_name(name, name_string); } static int _convert_process_name_to_string(char** name_string, const opal_process_name_t *name) { return ompi_rte_convert_process_name_to_string(name_string, name); } static int _convert_string_to_jobid(opal_jobid_t *jobid, const char *jobid_string) { return ompi_pmix_convert_string_to_jobid(jobid, jobid_string); } int ompi_rte_init(int *pargc, char ***pargv) { int ret; char *error = NULL; opal_process_name_t pname; opal_proc_t *myproc; int u32, *u32ptr; uint16_t u16, *u16ptr; char **peers=NULL, *mycpuset; char *envar, *ev1, *ev2; opal_value_t *kv; char *val; size_t i; uint64_t unique_key[2]; char *string_key; u32ptr = &u32; u16ptr = &u16; memset(&pmix_process_info, 0, sizeof(pmix_process_info)); /* Convince OPAL to use our naming scheme */ opal_process_name_print = _process_name_print_for_opal; opal_vpid_print = _vpid_print_for_opal; opal_jobid_print = _jobid_print_for_opal; opal_compare_proc = _process_name_compare; opal_convert_string_to_process_name = _convert_string_to_process_name; opal_convert_process_name_to_string = _convert_process_name_to_string; opal_snprintf_jobid = ompi_pmix_snprintf_jobid; opal_convert_string_to_jobid = _convert_string_to_jobid; /* initialize the opal layer */ if (OPAL_SUCCESS != (ret = opal_init(pargc, pargv))) { error = "opal_init"; goto error; } /* open and setup pmix */ if (OPAL_SUCCESS != (ret = mca_base_framework_open(&opal_pmix_base_framework, 0))) { OPAL_ERROR_LOG(ret); /* we cannot run */ error = "pmix init"; goto error; } if (OPAL_SUCCESS != (ret = opal_pmix_base_select())) { /* we cannot run */ error = "pmix init"; goto error; } /* set the event base */ opal_pmix_base_set_evbase(opal_sync_event_base); /* initialize the selected module */ if (!opal_pmix.initialized() && (OPAL_SUCCESS != (ret = opal_pmix.init(NULL)))) { /* we cannot run - this could be due to being direct launched * without the required PMI support being built, so print * out a help message indicating it */ opal_show_help("help-ompi-rte-pmix.txt", "no-pmi", true); return OPAL_ERR_SILENT; } /* opal_pmix.init will have filled in proc name fields in * OPAL, so transfer them here */ pmix_process_info.my_name.jobid = OPAL_PROC_MY_NAME.jobid; pmix_process_info.my_name.vpid = OPAL_PROC_MY_NAME.vpid; /* get our hostname */ myproc = opal_proc_local_get(); pmix_process_info.nodename = opal_get_proc_hostname(myproc); /* get our local rank from PMI */ OPAL_MODEX_RECV_VALUE(ret, OPAL_PMIX_LOCAL_RANK, &pmix_process_info.my_name, &u16ptr, OPAL_UINT16); if (OPAL_SUCCESS != ret) { error = "getting local rank"; goto error; } pmix_process_info.my_local_rank = u16; /* get our node rank from PMI */ OPAL_MODEX_RECV_VALUE(ret, OPAL_PMIX_NODE_RANK, &pmix_process_info.my_name, &u16ptr, OPAL_UINT16); if (OPAL_SUCCESS != ret) { error = "getting node rank"; goto error; } pmix_process_info.my_node_rank = u16; /* get job size */ pname.jobid = pmix_process_info.my_name.jobid; pname.vpid = OPAL_VPID_WILDCARD; OPAL_MODEX_RECV_VALUE(ret, OPAL_PMIX_JOB_SIZE, &pname, &u32ptr, OPAL_UINT32); if (OPAL_SUCCESS != ret) { error = "getting job size"; goto error; } pmix_process_info.num_procs = u32; /* push into the environ for pickup in MPI layer for * MPI-3 required info key */ if (NULL == getenv(OPAL_MCA_PREFIX"opal_ess_num_procs")) { asprintf(&ev1, OPAL_MCA_PREFIX"opal_ess_num_procs=%d", pmix_process_info.num_procs); putenv(ev1); added_num_procs = true; } if (NULL == getenv("OMPI_APP_CTX_NUM_PROCS")) { asprintf(&ev2, "OMPI_APP_CTX_NUM_PROCS=%d", pmix_process_info.num_procs); putenv(ev2); added_app_ctx = true; } /* get our app number from PMI - ok if not found */ OPAL_MODEX_RECV_VALUE_OPTIONAL(ret, OPAL_PMIX_APPNUM, &pmix_process_info.my_name, &u32ptr, OPAL_UINT32); if (OPAL_SUCCESS == ret) { pmix_process_info.app_num = u32; } else { pmix_process_info.app_num = 0; } /* get the number of local peers - required for wireup of * shared memory BTL */ OPAL_MODEX_RECV_VALUE(ret, OPAL_PMIX_LOCAL_SIZE, &pname, &u32ptr, OPAL_UINT32); if (OPAL_SUCCESS == ret) { pmix_process_info.num_local_peers = u32 - 1; // want number besides ourselves } else { pmix_process_info.num_local_peers = 0; } /* setup transport keys in case the MPI layer needs them - * we can use the jobfam and stepid as unique keys * because they are unique values assigned by the RM */ if (NULL == getenv(OPAL_MCA_PREFIX"opal_precondition_transports")) { unique_key[0] = (pmix_process_info.my_name.jobid & 0xff00) >> 16; unique_key[1] = pmix_process_info.my_name.jobid & 0x00ff; if (NULL == (string_key = pre_condition_transports_print(unique_key))) { OPAL_ERROR_LOG(OPAL_ERR_OUT_OF_RESOURCE); return OPAL_ERR_OUT_OF_RESOURCE; } opal_output_verbose(2, ompi_rte_base_framework.framework_output, "%s transport key %s", OPAL_NAME_PRINT(pmix_process_info.my_name), string_key); asprintf(&envar, OPAL_MCA_PREFIX"opal_precondition_transports=%s", string_key); putenv(envar); added_transport_keys = true; /* cannot free the envar as that messes up our environ */ free(string_key); } /* retrieve temp directories info */ OPAL_MODEX_RECV_VALUE_OPTIONAL(ret, OPAL_PMIX_NSDIR, &pname, &val, OPAL_STRING); if (OPAL_SUCCESS == ret && NULL != val) { pmix_process_info.job_session_dir = val; val = NULL; } else { /* we need to create something */ ret = _setup_job_session_dir(&pmix_process_info.job_session_dir); if (OPAL_SUCCESS != ret) { error = "job session directory"; goto error; } } /* get our local peers */ if (0 < pmix_process_info.num_local_peers) { /* if my local rank if too high, then that's an error */ if (pmix_process_info.num_local_peers < pmix_process_info.my_local_rank) { ret = OPAL_ERR_BAD_PARAM; error = "num local peers"; goto error; } /* retrieve the local peers */ OPAL_MODEX_RECV_VALUE(ret, OPAL_PMIX_LOCAL_PEERS, &pname, &val, OPAL_STRING); if (OPAL_SUCCESS == ret && NULL != val) { peers = opal_argv_split(val, ','); free(val); } else { peers = NULL; } } else { peers = NULL; } /* get our cpuset */ val = NULL; OPAL_MODEX_RECV_VALUE_OPTIONAL(ret, OPAL_PMIX_CPUSET, &pmix_process_info.my_name, &val, OPAL_STRING); if (OPAL_SUCCESS == ret && NULL != val) { pmix_process_info.cpuset = val; } else { pmix_process_info.cpuset = NULL; } /* set the locality */ if (NULL != peers) { /* identify our location */ val = NULL; OPAL_MODEX_RECV_VALUE_OPTIONAL(ret, OPAL_PMIX_LOCALITY_STRING, &pmix_process_info.my_name, &val, OPAL_STRING); if (OPAL_SUCCESS == ret && NULL != val) { mycpuset = val; } else { mycpuset = NULL; } pname.jobid = pmix_process_info.my_name.jobid; for (i=0; NULL != peers[i]; i++) { pname.vpid = strtoul(peers[i], NULL, 10); if (pname.vpid == pmix_process_info.my_name.vpid) { /* we are fully local to ourselves */ u16 = OPAL_PROC_ALL_LOCAL; } else { val = NULL; OPAL_MODEX_RECV_VALUE_OPTIONAL(ret, OPAL_PMIX_LOCALITY_STRING, &pname, &val, OPAL_STRING); if (OPAL_SUCCESS == ret && NULL != val) { u16 = opal_hwloc_compute_relative_locality(mycpuset, val); free(val); } else { /* all we can say is that it shares our node */ u16 = OPAL_PROC_ON_CLUSTER | OPAL_PROC_ON_CU | OPAL_PROC_ON_NODE; } } kv = OBJ_NEW(opal_value_t); kv->key = strdup(OPAL_PMIX_LOCALITY); kv->type = OPAL_UINT16; OPAL_OUTPUT_VERBOSE((1, ompi_rte_base_framework.framework_output, "%s locality: proc %s locality %s", OPAL_NAME_PRINT(pmix_process_info.my_name), OPAL_NAME_PRINT(pname), opal_hwloc_base_print_locality(u16))); kv->data.uint16 = u16; ret = opal_pmix.store_local(&pname, kv); if (OPAL_SUCCESS != ret) { error = "local store of locality"; opal_argv_free(peers); if (NULL != mycpuset) { free(mycpuset); } goto error; } OBJ_RELEASE(kv); } opal_argv_free(peers); if (NULL != mycpuset) { free(mycpuset); } } /* poor attempt to detect we are bound */ if (NULL != getenv("SLURM_CPU_BIND_TYPE")) { pmix_proc_is_bound = true; } /* push our hostname so others can find us, if they need to - the * native PMIx component will ignore this request as the hostname * is provided by the system */ OPAL_MODEX_SEND_VALUE(ret, OPAL_PMIX_GLOBAL, OPAL_PMIX_HOSTNAME, pmix_process_info.nodename, OPAL_STRING); if (OPAL_SUCCESS != ret) { error = "db store hostname"; goto error; } return OPAL_SUCCESS; error: opal_show_help_finalize(); if (OPAL_ERR_SILENT != ret ) { opal_show_help("help-ompi-rte-pmix.txt", "internal-failure", true, error, opal_strerror(ret), ret); } return ret; } static bool check_file(const char *root, const char *path) { struct stat st; char *fullpath; /* * Keep: * - non-zero files starting with "output-" */ if (0 == strncmp(path, "output-", strlen("output-"))) { fullpath = opal_os_path(false, &fullpath, root, path, NULL); stat(fullpath, &st); free(fullpath); if (0 == st.st_size) { return true; } return false; } return true; } int ompi_rte_finalize(void) { /* remove the envars that we pushed into environ * so we leave that structure intact */ if (added_transport_keys) { unsetenv(OPAL_MCA_PREFIX"opal_precondition_transports"); } if (added_num_procs) { unsetenv(OPAL_MCA_PREFIX"opal_ess_num_procs"); } if (added_app_ctx) { unsetenv("OMPI_APP_CTX_NUM_PROCS"); } /* shutdown pmix */ if (NULL != opal_pmix.finalize) { opal_pmix.finalize(); (void) mca_base_framework_close(&opal_pmix_base_framework); } /* cleanup the session directory we created */ if (NULL != pmix_process_info.job_session_dir) { opal_os_dirpath_destroy(pmix_process_info.job_session_dir, false, check_file); free(pmix_process_info.job_session_dir); } return OMPI_SUCCESS; } void ompi_rte_abort(int error_code, char *fmt, ...) { va_list arglist; char* buffer = NULL; struct timespec tp = {0, 100000}; /* If there was a message, output it */ va_start(arglist, fmt); if( NULL != fmt ) { vasprintf( &buffer, fmt, arglist ); } va_end(arglist); /* call abort */ opal_pmix.abort(error_code, buffer, NULL); if (NULL != buffer) { free(buffer); } /* provide a little delay for the PMIx thread to * get the info out */ nanosleep(&tp, NULL); /* Now Exit */ _exit(error_code); } void ompi_rte_abort_peers(opal_process_name_t *procs, int32_t num_procs, int error_code) { return; } static size_t handler = SIZE_MAX; static bool debugger_register_active = true; static bool debugger_event_active = true; static void _release_fn(int status, const opal_process_name_t *source, opal_list_t *info, opal_list_t *results, opal_pmix_notification_complete_fn_t cbfunc, void *cbdata) { /* must let the notifier know we are done */ if (NULL != cbfunc) { cbfunc(OPAL_SUCCESS, NULL, NULL, NULL, cbdata); } debugger_event_active = false; } static void _register_fn(int status, size_t evhandler_ref, void *cbdata) { opal_list_t *codes = (opal_list_t*)cbdata; handler = evhandler_ref; OPAL_LIST_RELEASE(codes); debugger_register_active = false; } /* * Wait for a debugger if asked. We support two ways of waiting for * attaching debuggers -- see big comment in * pmix/tools/pmixrun/debuggers.c explaining the two scenarios. */ void ompi_rte_wait_for_debugger(void) { int debugger; opal_list_t *codes, directives; opal_value_t *kv; char *evar; int time; /* check PMIx to see if we are under a debugger */ debugger = pmix_in_parallel_debugger; if (1 == MPIR_being_debugged) { debugger = 1; } if (!debugger && NULL == getenv("PMIX_TEST_DEBUGGER_ATTACH")) { /* if not, just return */ return; } /* if we are being debugged, then we need to find * the correct plug-ins */ ompi_debugger_setup_dlls(); if (NULL != (evar = getenv("PMIX_TEST_DEBUGGER_SLEEP"))) { time = strtol(evar, NULL, 10); sleep(time); return; } /* register an event handler for the PMIX_ERR_DEBUGGER_RELEASE event */ codes = OBJ_NEW(opal_list_t); kv = OBJ_NEW(opal_value_t); kv->key = strdup("errorcode"); kv->type = OPAL_INT; kv->data.integer = OPAL_ERR_DEBUGGER_RELEASE; opal_list_append(codes, &kv->super); OBJ_CONSTRUCT(&directives, opal_list_t); kv = OBJ_NEW(opal_value_t); kv->key = strdup(OPAL_PMIX_EVENT_HDLR_NAME); kv->type = OPAL_STRING; kv->data.string = strdup("MPI-DEBUGGER-ATTACH"); opal_list_append(&directives, &kv->super); opal_pmix.register_evhandler(codes, &directives, _release_fn, _register_fn, codes); /* let the MPI progress engine run while we wait for registration to complete */ OMPI_WAIT_FOR_COMPLETION(debugger_register_active); OPAL_LIST_DESTRUCT(&directives); /* let the MPI progress engine run while we wait for debugger release */ OMPI_WAIT_FOR_COMPLETION(debugger_event_active); /* deregister the event handler */ opal_pmix.deregister_evhandler(handler, NULL, NULL); } bool ompi_rte_connect_accept_support(const char *port) { /* not sure how to support this yet */ return true; } static char* pre_condition_transports_print(uint64_t *unique_key) { unsigned int *int_ptr; size_t i, j, string_key_len, written_len; char *string_key = NULL, *format = NULL; /* string is two 64 bit numbers printed in hex with a dash between * and zero padding. */ string_key_len = (sizeof(uint64_t) * 2) * 2 + strlen("-") + 1; string_key = (char*) malloc(string_key_len); if (NULL == string_key) { return NULL; } string_key[0] = '\0'; written_len = 0; /* get a format string based on the length of an unsigned int. We * want to have zero padding for sizeof(unsigned int) * 2 * characters -- when printing as a hex number, each byte is * represented by 2 hex characters. Format will contain something * that looks like %08lx, where the number 8 might be a different * number if the system has a different sized long (8 would be for * sizeof(int) == 4)). */ asprintf(&format, "%%0%dx", (int)(sizeof(unsigned int)) * 2); /* print the first number */ int_ptr = (unsigned int*) &unique_key[0]; for (i = 0 ; i < sizeof(uint64_t) / sizeof(unsigned int) ; ++i) { if (0 == int_ptr[i]) { /* inject some energy */ for (j=0; j < sizeof(unsigned int); j++) { int_ptr[i] |= j << j; } } snprintf(string_key + written_len, string_key_len - written_len, format, int_ptr[i]); written_len = strlen(string_key); } /* print the middle dash */ snprintf(string_key + written_len, string_key_len - written_len, "-"); written_len = strlen(string_key); /* print the second number */ int_ptr = (unsigned int*) &unique_key[1]; for (i = 0 ; i < sizeof(uint64_t) / sizeof(unsigned int) ; ++i) { if (0 == int_ptr[i]) { /* inject some energy */ for (j=0; j < sizeof(unsigned int); j++) { int_ptr[i] |= j << j; } } snprintf(string_key + written_len, string_key_len - written_len, format, int_ptr[i]); written_len = strlen(string_key); } free(format); return string_key; } static int _setup_job_session_dir(char **sdir) { char *tmpdir; /* get the effective uid */ uid_t uid = geteuid(); if( NULL == (tmpdir = getenv("TMPDIR")) ) if( NULL == (tmpdir = getenv("TEMP")) ) if( NULL == (tmpdir = getenv("TMP")) ) tmpdir = "/tmp"; if (0 > asprintf(&pmix_process_info.job_session_dir, "%s/ompi.%s.%lu/jf.0/%u", tmpdir, pmix_process_info.nodename, (unsigned long)uid, pmix_process_info.my_name.jobid)) { pmix_process_info.job_session_dir = NULL; return OPAL_ERR_OUT_OF_RESOURCE; } return OPAL_SUCCESS; }