8fac195a3a
1. Probe the signal number that we want
1. If a handler is already installed there:
1. if the opal_signal MCA param entry for this signal is suffixed
with ":complain", then output a show_help message
1. do not install our signal handler
1. otherwise, install our signal handler
Hence, we've shifted to a policy of only complaining if the user asks
us to complain.
This commit was SVN r20969.
The following Trac tickets were found above:
Ticket 1871 --> https://svn.open-mpi.org/trac/ompi/ticket/1871
109 строки
3.7 KiB
C
109 строки
3.7 KiB
C
/*
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* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
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* University Research and Technology
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* Corporation. All rights reserved.
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* Copyright (c) 2004-2005 The University of Tennessee and The University
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* of Tennessee Research Foundation. All rights
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* reserved.
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* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2005 The Regents of the University of California.
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* All rights reserved.
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* Copyright (c) 2006 Los Alamos National Security, LLC. All rights
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* reserved.
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* Copyright (c) 2008-2009 Cisco Systems, Inc. All rights reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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#include "opal_config.h"
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#include <time.h>
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#ifdef HAVE_SIGNAL_H
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#include <signal.h>
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#endif
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#include "opal/constants.h"
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#include "opal/runtime/opal.h"
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#include "opal/util/output.h"
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#include "opal/util/show_help.h"
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#include "opal/mca/base/mca_base_param.h"
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#include "opal/threads/mutex.h"
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int opal_register_params(void)
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{
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/*
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* This string is going to be used in opal/util/stacktrace.c
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*/
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{
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char *string = NULL;
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int j;
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int signals[] = {
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#ifdef SIGABRT
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SIGABRT,
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#endif
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#ifdef SIGBUS
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SIGBUS,
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#endif
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#ifdef SIGFPE
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SIGFPE,
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#endif
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#ifdef SIGSEGV
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SIGSEGV,
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#endif
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-1
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};
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for (j = 0 ; signals[j] != -1 ; ++j) {
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if (j == 0) {
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asprintf(&string, "%d", signals[j]);
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} else {
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char *tmp;
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asprintf(&tmp, "%s,%d", string, signals[j]);
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free(string);
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string = tmp;
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}
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}
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mca_base_param_reg_string_name("opal", "signal",
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"Comma-delimited list of integer signal numbers to Open MPI to attempt to intercept. Upon receipt of the intercepted signal, Open MPI will display a stack trace and abort. Open MPI will *not* replace signals if handlers are already installed by the time MPI_INIT is invoked. Optionally append \":complain\" to any signal number in the comma-delimited list to make Open MPI complain if it detects another signal handler (and therefore does not insert its own).",
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false, false, string, NULL);
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free(string);
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}
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{
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int j;
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mca_base_param_reg_int_name("opal", "profile",
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"Set to non-zero to profile component selections",
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false, false, (int)false, &j);
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opal_profile = OPAL_INT_TO_BOOL(j);
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mca_base_param_reg_string_name("opal", "profile_file",
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"Name of the file containing the cluster configuration information",
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false, false, NULL, &opal_profile_file);
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}
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#if OMPI_ENABLE_DEBUG
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mca_base_param_reg_int_name("opal", "progress_debug",
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"Set to non-zero to debug progress engine features",
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false, false, 0, NULL);
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{
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int value;
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mca_base_param_reg_int_name("opal", "debug_locks",
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"Debug mutex usage within Open MPI. On a "
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"non-threaded build, this enables integer counters and "
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"warning messages when double-locks are detected.",
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false, false, 0, &value);
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if (value) opal_mutex_check_locks = true;
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}
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#endif
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return OPAL_SUCCESS;
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}
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