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src/hotspot/os/posix/vmError_posix.cpp

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   1 /*
   2  * Copyright (c) 2003, 2017, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "memory/filemap.hpp"
  27 #include "runtime/arguments.hpp"
  28 #include "runtime/os.hpp"
  29 #include "runtime/thread.hpp"
  30 #include "utilities/vmError.hpp"
  31 
  32 #include <sys/types.h>
  33 #include <sys/wait.h>
  34 #include <signal.h>
  35 
  36 #ifdef LINUX
  37 #include <sys/syscall.h>
  38 #include <unistd.h>
  39 #endif
  40 #ifdef SOLARIS
  41 #include <thread.h>
  42 #endif
  43 #ifdef AIX
  44 #include <unistd.h>
  45 #endif
  46 #ifdef BSD


 136   sigemptyset(&newset);
 137 
 138   for (int i = 0; i < NUM_SIGNALS; i++) {
 139     save_signal(i, SIGNALS[i]);
 140     os::signal(SIGNALS[i], CAST_FROM_FN_PTR(void *, crash_handler));
 141     sigaddset(&newset, SIGNALS[i]);
 142   }
 143   os::Posix::unblock_thread_signal_mask(&newset);
 144 
 145 }
 146 
 147 // Write a hint to the stream in case siginfo relates to a segv/bus error
 148 // and the offending address points into CDS archive.
 149 void VMError::check_failing_cds_access(outputStream* st, const void* siginfo) {
 150 #if INCLUDE_CDS
 151   if (siginfo && UseSharedSpaces) {
 152     const siginfo_t* const si = (siginfo_t*)siginfo;
 153     if (si->si_signo == SIGBUS || si->si_signo == SIGSEGV) {
 154       const void* const fault_addr = si->si_addr;
 155       if (fault_addr != NULL) {
 156         FileMapInfo* const mapinfo = FileMapInfo::current_info();
 157         if (mapinfo->is_in_shared_space(fault_addr)) {
 158           st->print("Error accessing class data sharing archive. "
 159             "Mapped file inaccessible during execution, possible disk/network problem.");
 160         }
 161       }
 162     }
 163   }
 164 #endif
 165 }
 166 
   1 /*
   2  * Copyright (c) 2003, 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "memory/metaspaceShared.hpp"
  27 #include "runtime/arguments.hpp"
  28 #include "runtime/os.hpp"
  29 #include "runtime/thread.hpp"
  30 #include "utilities/vmError.hpp"
  31 
  32 #include <sys/types.h>
  33 #include <sys/wait.h>
  34 #include <signal.h>
  35 
  36 #ifdef LINUX
  37 #include <sys/syscall.h>
  38 #include <unistd.h>
  39 #endif
  40 #ifdef SOLARIS
  41 #include <thread.h>
  42 #endif
  43 #ifdef AIX
  44 #include <unistd.h>
  45 #endif
  46 #ifdef BSD


 136   sigemptyset(&newset);
 137 
 138   for (int i = 0; i < NUM_SIGNALS; i++) {
 139     save_signal(i, SIGNALS[i]);
 140     os::signal(SIGNALS[i], CAST_FROM_FN_PTR(void *, crash_handler));
 141     sigaddset(&newset, SIGNALS[i]);
 142   }
 143   os::Posix::unblock_thread_signal_mask(&newset);
 144 
 145 }
 146 
 147 // Write a hint to the stream in case siginfo relates to a segv/bus error
 148 // and the offending address points into CDS archive.
 149 void VMError::check_failing_cds_access(outputStream* st, const void* siginfo) {
 150 #if INCLUDE_CDS
 151   if (siginfo && UseSharedSpaces) {
 152     const siginfo_t* const si = (siginfo_t*)siginfo;
 153     if (si->si_signo == SIGBUS || si->si_signo == SIGSEGV) {
 154       const void* const fault_addr = si->si_addr;
 155       if (fault_addr != NULL) {
 156         if (MetaspaceShared::is_in_shared_metaspace(fault_addr)) {

 157           st->print("Error accessing class data sharing archive. "
 158             "Mapped file inaccessible during execution, possible disk/network problem.");
 159         }
 160       }
 161     }
 162   }
 163 #endif
 164 }
 165 
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