src/hotspot/os/linux/osThread_linux.cpp
author dtitov
Thu, 20 Jun 2019 18:47:44 -0700
changeset 55457 ced62a6a7bbe
parent 48157 7c4d43c26352
permissions -rw-r--r--
8220175: serviceability/dcmd/framework/VMVersionTest.java fails with a timeout Reviewed-by: sspitsyn, cjplummer
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
     1
/*
28163
322d55d167be 8047290: Make Mutex::_no_safepoint_check_flag locks verify that this lock never checks for safepoint
coleenp
parents: 14626
diff changeset
     2
 * Copyright (c) 1999, 2014, Oracle and/or its affiliates. All rights reserved.
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
     3
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
489c9b5090e2 Initial load
duke
parents:
diff changeset
     4
 *
489c9b5090e2 Initial load
duke
parents:
diff changeset
     5
 * This code is free software; you can redistribute it and/or modify it
489c9b5090e2 Initial load
duke
parents:
diff changeset
     6
 * under the terms of the GNU General Public License version 2 only, as
489c9b5090e2 Initial load
duke
parents:
diff changeset
     7
 * published by the Free Software Foundation.
489c9b5090e2 Initial load
duke
parents:
diff changeset
     8
 *
489c9b5090e2 Initial load
duke
parents:
diff changeset
     9
 * This code is distributed in the hope that it will be useful, but WITHOUT
489c9b5090e2 Initial load
duke
parents:
diff changeset
    10
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
489c9b5090e2 Initial load
duke
parents:
diff changeset
    11
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
489c9b5090e2 Initial load
duke
parents:
diff changeset
    12
 * version 2 for more details (a copy is included in the LICENSE file that
489c9b5090e2 Initial load
duke
parents:
diff changeset
    13
 * accompanied this code).
489c9b5090e2 Initial load
duke
parents:
diff changeset
    14
 *
489c9b5090e2 Initial load
duke
parents:
diff changeset
    15
 * You should have received a copy of the GNU General Public License version
489c9b5090e2 Initial load
duke
parents:
diff changeset
    16
 * 2 along with this work; if not, write to the Free Software Foundation,
489c9b5090e2 Initial load
duke
parents:
diff changeset
    17
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
489c9b5090e2 Initial load
duke
parents:
diff changeset
    18
 *
5547
f4b087cbb361 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 1
diff changeset
    19
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
f4b087cbb361 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 1
diff changeset
    20
 * or visit www.oracle.com if you need additional information or have any
f4b087cbb361 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 1
diff changeset
    21
 * questions.
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
    22
 *
489c9b5090e2 Initial load
duke
parents:
diff changeset
    23
 */
489c9b5090e2 Initial load
duke
parents:
diff changeset
    24
7397
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 5547
diff changeset
    25
// no precompiled headers
48157
7c4d43c26352 8192061: Clean up allocation.inline.hpp includes
stefank
parents: 47216
diff changeset
    26
#include "memory/allocation.inline.hpp"
14626
0cf4eccf130f 8003240: x86: move MacroAssembler into separate file
twisti
parents: 8921
diff changeset
    27
#include "runtime/mutex.hpp"
7397
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 5547
diff changeset
    28
#include "runtime/osThread.hpp"
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
    29
14626
0cf4eccf130f 8003240: x86: move MacroAssembler into separate file
twisti
parents: 8921
diff changeset
    30
#include <signal.h>
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
    31
489c9b5090e2 Initial load
duke
parents:
diff changeset
    32
void OSThread::pd_initialize() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
    33
  assert(this != NULL, "check");
489c9b5090e2 Initial load
duke
parents:
diff changeset
    34
  _thread_id        = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
    35
  _pthread_id       = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
    36
  _siginfo = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
    37
  _ucontext = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
    38
  _expanding_stack = 0;
489c9b5090e2 Initial load
duke
parents:
diff changeset
    39
  _alt_sig_stack = NULL;
489c9b5090e2 Initial load
duke
parents:
diff changeset
    40
489c9b5090e2 Initial load
duke
parents:
diff changeset
    41
  sigemptyset(&_caller_sigmask);
489c9b5090e2 Initial load
duke
parents:
diff changeset
    42
28163
322d55d167be 8047290: Make Mutex::_no_safepoint_check_flag locks verify that this lock never checks for safepoint
coleenp
parents: 14626
diff changeset
    43
  _startThread_lock = new Monitor(Mutex::event, "startThread_lock", true,
322d55d167be 8047290: Make Mutex::_no_safepoint_check_flag locks verify that this lock never checks for safepoint
coleenp
parents: 14626
diff changeset
    44
                                  Monitor::_safepoint_check_never);
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
    45
  assert(_startThread_lock !=NULL, "check");
489c9b5090e2 Initial load
duke
parents:
diff changeset
    46
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
    47
489c9b5090e2 Initial load
duke
parents:
diff changeset
    48
void OSThread::pd_destroy() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
    49
  delete _startThread_lock;
489c9b5090e2 Initial load
duke
parents:
diff changeset
    50
}