1 /*
2 * Copyright (c) 1999, 2015, 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 *
3594 // See bug 6351349.
3595 pid_t java_launcher_pid = (pid_t) Arguments::sun_java_launcher_pid();
3596
3597 _initial_pid = (java_launcher_pid > 0) ? java_launcher_pid : getpid();
3598
3599 clock_tics_per_sec = CLK_TCK;
3600
3601 init_random(1234567);
3602
3603 ThreadCritical::initialize();
3604
3605 Bsd::set_page_size(getpagesize());
3606 if (Bsd::page_size() == -1) {
3607 fatal(err_msg("os_bsd.cpp: os::init: sysconf failed (%s)",
3608 strerror(errno)));
3609 }
3610 init_page_sizes((size_t) Bsd::page_size());
3611
3612 Bsd::initialize_system_info();
3613
3614 // main_thread points to the aboriginal thread
3615 Bsd::_main_thread = pthread_self();
3616
3617 Bsd::clock_init();
3618 initial_time_count = javaTimeNanos();
3619
3620 #ifdef __APPLE__
3621 // XXXDARWIN
3622 // Work around the unaligned VM callbacks in hotspot's
3623 // sharedRuntime. The callbacks don't use SSE2 instructions, and work on
3624 // Linux, Solaris, and FreeBSD. On Mac OS X, dyld (rightly so) enforces
3625 // alignment when doing symbol lookup. To work around this, we force early
3626 // binding of all symbols now, thus binding when alignment is known-good.
3627 _dyld_bind_fully_image_containing_address((const void *) &os::init);
3628 #endif
3629 }
3630
3631 // To install functions for atexit system call
3632 extern "C" {
3633 static void perfMemory_exit_helper() {
3634 perfMemory_exit();
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1 /*
2 * Copyright (c) 1999, 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 *
3594 // See bug 6351349.
3595 pid_t java_launcher_pid = (pid_t) Arguments::sun_java_launcher_pid();
3596
3597 _initial_pid = (java_launcher_pid > 0) ? java_launcher_pid : getpid();
3598
3599 clock_tics_per_sec = CLK_TCK;
3600
3601 init_random(1234567);
3602
3603 ThreadCritical::initialize();
3604
3605 Bsd::set_page_size(getpagesize());
3606 if (Bsd::page_size() == -1) {
3607 fatal(err_msg("os_bsd.cpp: os::init: sysconf failed (%s)",
3608 strerror(errno)));
3609 }
3610 init_page_sizes((size_t) Bsd::page_size());
3611
3612 Bsd::initialize_system_info();
3613
3614 // _main_thread points to the thread that created/loaded the JVM.
3615 Bsd::_main_thread = pthread_self();
3616
3617 Bsd::clock_init();
3618 initial_time_count = javaTimeNanos();
3619
3620 #ifdef __APPLE__
3621 // XXXDARWIN
3622 // Work around the unaligned VM callbacks in hotspot's
3623 // sharedRuntime. The callbacks don't use SSE2 instructions, and work on
3624 // Linux, Solaris, and FreeBSD. On Mac OS X, dyld (rightly so) enforces
3625 // alignment when doing symbol lookup. To work around this, we force early
3626 // binding of all symbols now, thus binding when alignment is known-good.
3627 _dyld_bind_fully_image_containing_address((const void *) &os::init);
3628 #endif
3629 }
3630
3631 // To install functions for atexit system call
3632 extern "C" {
3633 static void perfMemory_exit_helper() {
3634 perfMemory_exit();
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