truffle: src/os/posix/vm/os_posix.cpp annotate

annotate src/os/posix/vm/os_posix.cpp @ 7433:730cc4ddd550

7173959: Jvm crashed during coherence exabus (tmb) testing Summary: Mapping of aligned memory needs to be MT safe. Also reviewed by: vitalyd@gmail.com Reviewed-by: dholmes, coleenp, zgu

author	brutisso
date	Mon, 17 Dec 2012 08:49:20 +0100
parents	b9a9ed0f8eeb
children	754c24457b20

rev	line source
2204 63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	1 /*
6842 b9a9ed0f8eeb 7197424: update copyright year to match last edit in jdk8 hotspot repository mikael parents: 6200 diff changeset	2 * Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved.
2204 63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	4 *
63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	5 * This code is free software; you can redistribute it and/or modify it
63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	6 * under the terms of the GNU General Public License version 2 only, as
63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	7 * published by the Free Software Foundation.
63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	8 *
63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	9 * This code is distributed in the hope that it will be useful, but WITHOUT
63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	12 * version 2 for more details (a copy is included in the LICENSE file that
63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	13 * accompanied this code).
63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	14 *
63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	15 * You should have received a copy of the GNU General Public License version
63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	16 * 2 along with this work; if not, write to the Free Software Foundation,
63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	18 *
63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	20 * or visit www.oracle.com if you need additional information or have any
63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	21 * questions.
63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	22 *
63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	23 */
63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	24
63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	25 #include "prims/jvm.h"
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6080 diff changeset	26 #include "runtime/frame.inline.hpp"
2204 63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	27 #include "runtime/os.hpp"
63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	28 #include "utilities/vmError.hpp"
63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	29
63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	30 #include <unistd.h>
63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	31 #include <sys/resource.h>
6080 7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	32 #include <sys/utsname.h>
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	33
2204 63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	34
63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	35 // Check core dump limit and report possible place where core can be found
63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	36 void os::check_or_create_dump(void* exceptionRecord, void* contextRecord, char* buffer, size_t bufferSize) {
6200 65906dc96aa1 7129724: MAC: Core file location is wrong in crash report mikael parents: 6197 diff changeset	37 int n;
2204 63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	38 struct rlimit rlim;
63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	39 bool success;
63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	40
6200 65906dc96aa1 7129724: MAC: Core file location is wrong in crash report mikael parents: 6197 diff changeset	41 n = get_core_path(buffer, bufferSize);
2204 63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	42
63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	43 if (getrlimit(RLIMIT_CORE, &rlim) != 0) {
6200 65906dc96aa1 7129724: MAC: Core file location is wrong in crash report mikael parents: 6197 diff changeset	44 jio_snprintf(buffer + n, bufferSize - n, "/core or core.%d (may not exist)", current_process_id());
2204 63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	45 success = true;
63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	46 } else {
63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	47 switch(rlim.rlim_cur) {
63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	48 case RLIM_INFINITY:
6200 65906dc96aa1 7129724: MAC: Core file location is wrong in crash report mikael parents: 6197 diff changeset	49 jio_snprintf(buffer + n, bufferSize - n, "/core or core.%d", current_process_id());
2204 63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	50 success = true;
63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	51 break;
63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	52 case 0:
63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	53 jio_snprintf(buffer, bufferSize, "Core dumps have been disabled. To enable core dumping, try \"ulimit -c unlimited\" before starting Java again");
63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	54 success = false;
63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	55 break;
63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	56 default:
6200 65906dc96aa1 7129724: MAC: Core file location is wrong in crash report mikael parents: 6197 diff changeset	57 jio_snprintf(buffer + n, bufferSize - n, "/core or core.%d (max size %lu kB). To ensure a full core dump, try \"ulimit -c unlimited\" before starting Java again", current_process_id(), (unsigned long)(rlim.rlim_cur >> 10));
2204 63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	58 success = true;
63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	59 break;
63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	60 }
63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	61 }
63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	62 VMError::report_coredump_status(buffer, success);
63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	63 }
63d374c54045 7014918: Improve core/minidump handling in Hotspot ctornqvi parents: diff changeset	64
6197 d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6080 diff changeset	65 address os::get_caller_pc(int n) {
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6080 diff changeset	66 #ifdef _NMT_NOINLINE_
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6080 diff changeset	67 n ++;
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6080 diff changeset	68 #endif
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6080 diff changeset	69 frame fr = os::current_frame();
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6080 diff changeset	70 while (n > 0 && fr.pc() &&
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6080 diff changeset	71 !os::is_first_C_frame(&fr) && fr.sender_pc()) {
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6080 diff changeset	72 fr = os::get_sender_for_C_frame(&fr);
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6080 diff changeset	73 n --;
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6080 diff changeset	74 }
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6080 diff changeset	75 if (n == 0) {
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6080 diff changeset	76 return fr.pc();
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6080 diff changeset	77 } else {
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6080 diff changeset	78 return NULL;
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6080 diff changeset	79 }
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6080 diff changeset	80 }
d2a62e0f25eb 6995781: Native Memory Tracking (Phase 1) zgu parents: 6080 diff changeset	81
4750 b16494a69d3d 7126185: Clean up lasterror handling, add os::get_last_error() phh parents: 2302 diff changeset	82 int os::get_last_error() {
b16494a69d3d 7126185: Clean up lasterror handling, add os::get_last_error() phh parents: 2302 diff changeset	83 return errno;
b16494a69d3d 7126185: Clean up lasterror handling, add os::get_last_error() phh parents: 2302 diff changeset	84 }
b16494a69d3d 7126185: Clean up lasterror handling, add os::get_last_error() phh parents: 2302 diff changeset	85
2302 da091bb67459 7022037: Pause when exiting if debugger is attached on windows sla parents: 2204 diff changeset	86 bool os::is_debugger_attached() {
da091bb67459 7022037: Pause when exiting if debugger is attached on windows sla parents: 2204 diff changeset	87 // not implemented
da091bb67459 7022037: Pause when exiting if debugger is attached on windows sla parents: 2204 diff changeset	88 return false;
da091bb67459 7022037: Pause when exiting if debugger is attached on windows sla parents: 2204 diff changeset	89 }
da091bb67459 7022037: Pause when exiting if debugger is attached on windows sla parents: 2204 diff changeset	90
da091bb67459 7022037: Pause when exiting if debugger is attached on windows sla parents: 2204 diff changeset	91 void os::wait_for_keypress_at_exit(void) {
da091bb67459 7022037: Pause when exiting if debugger is attached on windows sla parents: 2204 diff changeset	92 // don't do anything on posix platforms
da091bb67459 7022037: Pause when exiting if debugger is attached on windows sla parents: 2204 diff changeset	93 return;
da091bb67459 7022037: Pause when exiting if debugger is attached on windows sla parents: 2204 diff changeset	94 }
6080 7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	95
7433 730cc4ddd550 7173959: Jvm crashed during coherence exabus (tmb) testing brutisso parents: 6842 diff changeset	96 // Multiple threads can race in this code, and can remap over each other with MAP_FIXED,
730cc4ddd550 7173959: Jvm crashed during coherence exabus (tmb) testing brutisso parents: 6842 diff changeset	97 // so on posix, unmap the section at the start and at the end of the chunk that we mapped
730cc4ddd550 7173959: Jvm crashed during coherence exabus (tmb) testing brutisso parents: 6842 diff changeset	98 // rather than unmapping and remapping the whole chunk to get requested alignment.
730cc4ddd550 7173959: Jvm crashed during coherence exabus (tmb) testing brutisso parents: 6842 diff changeset	99 char* os::reserve_memory_aligned(size_t size, size_t alignment) {
730cc4ddd550 7173959: Jvm crashed during coherence exabus (tmb) testing brutisso parents: 6842 diff changeset	100 assert((alignment & (os::vm_allocation_granularity() - 1)) == 0,
730cc4ddd550 7173959: Jvm crashed during coherence exabus (tmb) testing brutisso parents: 6842 diff changeset	101 "Alignment must be a multiple of allocation granularity (page size)");
730cc4ddd550 7173959: Jvm crashed during coherence exabus (tmb) testing brutisso parents: 6842 diff changeset	102 assert((size & (alignment -1)) == 0, "size must be 'alignment' aligned");
730cc4ddd550 7173959: Jvm crashed during coherence exabus (tmb) testing brutisso parents: 6842 diff changeset	103
730cc4ddd550 7173959: Jvm crashed during coherence exabus (tmb) testing brutisso parents: 6842 diff changeset	104 size_t extra_size = size + alignment;
730cc4ddd550 7173959: Jvm crashed during coherence exabus (tmb) testing brutisso parents: 6842 diff changeset	105 assert(extra_size >= size, "overflow, size is too large to allow alignment");
730cc4ddd550 7173959: Jvm crashed during coherence exabus (tmb) testing brutisso parents: 6842 diff changeset	106
730cc4ddd550 7173959: Jvm crashed during coherence exabus (tmb) testing brutisso parents: 6842 diff changeset	107 char* extra_base = os::reserve_memory(extra_size, NULL, alignment);
730cc4ddd550 7173959: Jvm crashed during coherence exabus (tmb) testing brutisso parents: 6842 diff changeset	108
730cc4ddd550 7173959: Jvm crashed during coherence exabus (tmb) testing brutisso parents: 6842 diff changeset	109 if (extra_base == NULL) {
730cc4ddd550 7173959: Jvm crashed during coherence exabus (tmb) testing brutisso parents: 6842 diff changeset	110 return NULL;
730cc4ddd550 7173959: Jvm crashed during coherence exabus (tmb) testing brutisso parents: 6842 diff changeset	111 }
730cc4ddd550 7173959: Jvm crashed during coherence exabus (tmb) testing brutisso parents: 6842 diff changeset	112
730cc4ddd550 7173959: Jvm crashed during coherence exabus (tmb) testing brutisso parents: 6842 diff changeset	113 // Do manual alignment
730cc4ddd550 7173959: Jvm crashed during coherence exabus (tmb) testing brutisso parents: 6842 diff changeset	114 char* aligned_base = (char*) align_size_up((uintptr_t) extra_base, alignment);
730cc4ddd550 7173959: Jvm crashed during coherence exabus (tmb) testing brutisso parents: 6842 diff changeset	115
730cc4ddd550 7173959: Jvm crashed during coherence exabus (tmb) testing brutisso parents: 6842 diff changeset	116 // [ \| \| ]
730cc4ddd550 7173959: Jvm crashed during coherence exabus (tmb) testing brutisso parents: 6842 diff changeset	117 // ^ extra_base
730cc4ddd550 7173959: Jvm crashed during coherence exabus (tmb) testing brutisso parents: 6842 diff changeset	118 // ^ extra_base + begin_offset == aligned_base
730cc4ddd550 7173959: Jvm crashed during coherence exabus (tmb) testing brutisso parents: 6842 diff changeset	119 // extra_base + begin_offset + size ^
730cc4ddd550 7173959: Jvm crashed during coherence exabus (tmb) testing brutisso parents: 6842 diff changeset	120 // extra_base + extra_size ^
730cc4ddd550 7173959: Jvm crashed during coherence exabus (tmb) testing brutisso parents: 6842 diff changeset	121 // \|<>\| == begin_offset
730cc4ddd550 7173959: Jvm crashed during coherence exabus (tmb) testing brutisso parents: 6842 diff changeset	122 // end_offset == \|<>\|
730cc4ddd550 7173959: Jvm crashed during coherence exabus (tmb) testing brutisso parents: 6842 diff changeset	123 size_t begin_offset = aligned_base - extra_base;
730cc4ddd550 7173959: Jvm crashed during coherence exabus (tmb) testing brutisso parents: 6842 diff changeset	124 size_t end_offset = (extra_base + extra_size) - (aligned_base + size);
730cc4ddd550 7173959: Jvm crashed during coherence exabus (tmb) testing brutisso parents: 6842 diff changeset	125
730cc4ddd550 7173959: Jvm crashed during coherence exabus (tmb) testing brutisso parents: 6842 diff changeset	126 if (begin_offset > 0) {
730cc4ddd550 7173959: Jvm crashed during coherence exabus (tmb) testing brutisso parents: 6842 diff changeset	127 os::release_memory(extra_base, begin_offset);
730cc4ddd550 7173959: Jvm crashed during coherence exabus (tmb) testing brutisso parents: 6842 diff changeset	128 }
730cc4ddd550 7173959: Jvm crashed during coherence exabus (tmb) testing brutisso parents: 6842 diff changeset	129
730cc4ddd550 7173959: Jvm crashed during coherence exabus (tmb) testing brutisso parents: 6842 diff changeset	130 if (end_offset > 0) {
730cc4ddd550 7173959: Jvm crashed during coherence exabus (tmb) testing brutisso parents: 6842 diff changeset	131 os::release_memory(extra_base + begin_offset + size, end_offset);
730cc4ddd550 7173959: Jvm crashed during coherence exabus (tmb) testing brutisso parents: 6842 diff changeset	132 }
730cc4ddd550 7173959: Jvm crashed during coherence exabus (tmb) testing brutisso parents: 6842 diff changeset	133
730cc4ddd550 7173959: Jvm crashed during coherence exabus (tmb) testing brutisso parents: 6842 diff changeset	134 return aligned_base;
730cc4ddd550 7173959: Jvm crashed during coherence exabus (tmb) testing brutisso parents: 6842 diff changeset	135 }
730cc4ddd550 7173959: Jvm crashed during coherence exabus (tmb) testing brutisso parents: 6842 diff changeset	136
6080 7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	137 void os::Posix::print_load_average(outputStream* st) {
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	138 st->print("load average:");
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	139 double loadavg[3];
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	140 os::loadavg(loadavg, 3);
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	141 st->print("%0.02f %0.02f %0.02f", loadavg[0], loadavg[1], loadavg[2]);
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	142 st->cr();
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	143 }
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	144
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	145 void os::Posix::print_rlimit_info(outputStream* st) {
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	146 st->print("rlimit:");
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	147 struct rlimit rlim;
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	148
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	149 st->print(" STACK ");
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	150 getrlimit(RLIMIT_STACK, &rlim);
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	151 if (rlim.rlim_cur == RLIM_INFINITY) st->print("infinity");
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	152 else st->print("%uk", rlim.rlim_cur >> 10);
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	153
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	154 st->print(", CORE ");
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	155 getrlimit(RLIMIT_CORE, &rlim);
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	156 if (rlim.rlim_cur == RLIM_INFINITY) st->print("infinity");
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	157 else st->print("%uk", rlim.rlim_cur >> 10);
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	158
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	159 //Isn't there on solaris
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	160 #ifndef TARGET_OS_FAMILY_solaris
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	161 st->print(", NPROC ");
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	162 getrlimit(RLIMIT_NPROC, &rlim);
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	163 if (rlim.rlim_cur == RLIM_INFINITY) st->print("infinity");
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	164 else st->print("%d", rlim.rlim_cur);
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	165 #endif
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	166
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	167 st->print(", NOFILE ");
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	168 getrlimit(RLIMIT_NOFILE, &rlim);
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	169 if (rlim.rlim_cur == RLIM_INFINITY) st->print("infinity");
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	170 else st->print("%d", rlim.rlim_cur);
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	171
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	172 st->print(", AS ");
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	173 getrlimit(RLIMIT_AS, &rlim);
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	174 if (rlim.rlim_cur == RLIM_INFINITY) st->print("infinity");
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	175 else st->print("%uk", rlim.rlim_cur >> 10);
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	176 st->cr();
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	177 }
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	178
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	179 void os::Posix::print_uname_info(outputStream* st) {
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	180 // kernel
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	181 st->print("uname:");
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	182 struct utsname name;
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	183 uname(&name);
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	184 st->print(name.sysname); st->print(" ");
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	185 st->print(name.release); st->print(" ");
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	186 st->print(name.version); st->print(" ");
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	187 st->print(name.machine);
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	188 st->cr();
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	189 }
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	190
7432b9db36ff 7165755: OS Information much longer on linux than other platforms nloodin parents: 4750 diff changeset	191

Mercurial > hg > truffle

annotate src/os/posix/vm/os_posix.cpp @ 7433:730cc4ddd550