Mercurial > hg > truffle
annotate src/os/posix/vm/os_posix.cpp @ 6091:2040997cba56
Added tag jdk8-b41 for changeset 37add4fa0296
author | cl |
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date | Fri, 01 Jun 2012 14:12:10 -0700 |
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2204 | 1 /* |
2 * Copyright (c) 1999, 2011, 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 "prims/jvm.h" | |
26 #include "runtime/os.hpp" | |
27 #include "utilities/vmError.hpp" | |
28 | |
29 #include <unistd.h> | |
30 #include <sys/resource.h> | |
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31 #include <sys/utsname.h> |
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32 |
2204 | 33 |
34 // Check core dump limit and report possible place where core can be found | |
35 void os::check_or_create_dump(void* exceptionRecord, void* contextRecord, char* buffer, size_t bufferSize) { | |
36 struct rlimit rlim; | |
37 static char cwd[O_BUFLEN]; | |
38 bool success; | |
39 | |
40 get_current_directory(cwd, sizeof(cwd)); | |
41 | |
42 if (getrlimit(RLIMIT_CORE, &rlim) != 0) { | |
43 jio_snprintf(buffer, bufferSize, "%s/core or core.%d (may not exist)", cwd, current_process_id()); | |
44 success = true; | |
45 } else { | |
46 switch(rlim.rlim_cur) { | |
47 case RLIM_INFINITY: | |
48 jio_snprintf(buffer, bufferSize, "%s/core or core.%d", cwd, current_process_id()); | |
49 success = true; | |
50 break; | |
51 case 0: | |
52 jio_snprintf(buffer, bufferSize, "Core dumps have been disabled. To enable core dumping, try \"ulimit -c unlimited\" before starting Java again"); | |
53 success = false; | |
54 break; | |
55 default: | |
56 jio_snprintf(buffer, bufferSize, "%s/core or core.%d (max size %lu kB). To ensure a full core dump, try \"ulimit -c unlimited\" before starting Java again", cwd, current_process_id(), (unsigned long)(rlim.rlim_cur >> 10)); | |
57 success = true; | |
58 break; | |
59 } | |
60 } | |
61 VMError::report_coredump_status(buffer, success); | |
62 } | |
63 | |
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64 int os::get_last_error() { |
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65 return errno; |
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66 } |
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67 |
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68 bool os::is_debugger_attached() { |
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69 // not implemented |
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70 return false; |
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71 } |
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72 |
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73 void os::wait_for_keypress_at_exit(void) { |
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74 // don't do anything on posix platforms |
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75 return; |
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76 } |
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77 |
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78 void os::Posix::print_load_average(outputStream* st) { |
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79 st->print("load average:"); |
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80 double loadavg[3]; |
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81 os::loadavg(loadavg, 3); |
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82 st->print("%0.02f %0.02f %0.02f", loadavg[0], loadavg[1], loadavg[2]); |
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83 st->cr(); |
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84 } |
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85 |
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86 void os::Posix::print_rlimit_info(outputStream* st) { |
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87 st->print("rlimit:"); |
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88 struct rlimit rlim; |
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89 |
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90 st->print(" STACK "); |
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91 getrlimit(RLIMIT_STACK, &rlim); |
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92 if (rlim.rlim_cur == RLIM_INFINITY) st->print("infinity"); |
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93 else st->print("%uk", rlim.rlim_cur >> 10); |
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94 |
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95 st->print(", CORE "); |
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96 getrlimit(RLIMIT_CORE, &rlim); |
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97 if (rlim.rlim_cur == RLIM_INFINITY) st->print("infinity"); |
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98 else st->print("%uk", rlim.rlim_cur >> 10); |
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99 |
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100 //Isn't there on solaris |
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101 #ifndef TARGET_OS_FAMILY_solaris |
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102 st->print(", NPROC "); |
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103 getrlimit(RLIMIT_NPROC, &rlim); |
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104 if (rlim.rlim_cur == RLIM_INFINITY) st->print("infinity"); |
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105 else st->print("%d", rlim.rlim_cur); |
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106 #endif |
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107 |
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108 st->print(", NOFILE "); |
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109 getrlimit(RLIMIT_NOFILE, &rlim); |
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110 if (rlim.rlim_cur == RLIM_INFINITY) st->print("infinity"); |
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111 else st->print("%d", rlim.rlim_cur); |
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112 |
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113 st->print(", AS "); |
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114 getrlimit(RLIMIT_AS, &rlim); |
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115 if (rlim.rlim_cur == RLIM_INFINITY) st->print("infinity"); |
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116 else st->print("%uk", rlim.rlim_cur >> 10); |
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117 st->cr(); |
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118 } |
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119 |
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120 void os::Posix::print_uname_info(outputStream* st) { |
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121 // kernel |
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122 st->print("uname:"); |
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123 struct utsname name; |
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124 uname(&name); |
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125 st->print(name.sysname); st->print(" "); |
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126 st->print(name.release); st->print(" "); |
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127 st->print(name.version); st->print(" "); |
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128 st->print(name.machine); |
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129 st->cr(); |
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130 } |
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131 |
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132 |