blob: d1e2f08e718d0fe49e5ffc3e1a1cc178e544e572 [file] [log] [blame]
// Copyright 2014 The Bazel Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "src/main/cpp/startup_options.h"
#include <assert.h>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include "src/main/cpp/blaze_util.h"
#include "src/main/cpp/blaze_util_platform.h"
#include "src/main/cpp/util/errors.h"
#include "src/main/cpp/util/exit_code.h"
#include "src/main/cpp/util/file.h"
#include "src/main/cpp/util/logging.h"
#include "src/main/cpp/util/numbers.h"
#include "src/main/cpp/util/path.h"
#include "src/main/cpp/util/path_platform.h"
#include "src/main/cpp/util/strings.h"
#include "src/main/cpp/workspace_layout.h"
namespace blaze {
using std::string;
using std::vector;
void StartupOptions::RegisterNullaryStartupFlag(const std::string &flag_name,
bool *flag_value) {
all_nullary_startup_flags_[std::string("--") + flag_name] = flag_value;
all_nullary_startup_flags_[std::string("--no") + flag_name] = flag_value;
}
void StartupOptions::RegisterNullaryStartupFlagNoRc(
const std::string &flag_name, bool *flag_value) {
RegisterNullaryStartupFlag(flag_name, flag_value);
no_rc_nullary_startup_flags_.insert(std::string("--") + flag_name);
no_rc_nullary_startup_flags_.insert(std::string("--no") + flag_name);
}
void StartupOptions::RegisterSpecialNullaryStartupFlag(
const std::string &flag_name, SpecialNullaryFlagHandler handler) {
RegisterNullaryStartupFlag(flag_name, nullptr);
special_nullary_startup_flags_[std::string("--") + flag_name] = handler;
special_nullary_startup_flags_[std::string("--no") + flag_name] = handler;
}
void StartupOptions::RegisterUnaryStartupFlag(const std::string &flag_name) {
valid_unary_startup_flags_.insert(std::string("--") + flag_name);
}
void StartupOptions::OverrideOptionSourcesKey(const std::string &flag_name,
const std::string &new_name) {
option_sources_key_override_[flag_name] = new_name;
}
StartupOptions::StartupOptions(const string &product_name,
const WorkspaceLayout *workspace_layout)
: product_name(product_name),
ignore_all_rc_files(false),
block_for_lock(true),
host_jvm_debug(false),
autodetect_server_javabase(true),
batch(false),
batch_cpu_scheduling(false),
io_nice_level(-1),
shutdown_on_low_sys_mem(false),
oom_more_eagerly(false),
oom_more_eagerly_threshold(100),
write_command_log(true),
watchfs(false),
fatal_event_bus_exceptions(false),
command_port(0),
connect_timeout_secs(30),
local_startup_timeout_secs(120),
have_invocation_policy_(false),
client_debug(false),
preemptible(false),
java_logging_formatter(
"com.google.devtools.build.lib.util.SingleLineFormatter"),
expand_configs_in_place(true),
digest_function(),
idle_server_tasks(true),
original_startup_options_(std::vector<RcStartupFlag>()),
#if defined(__APPLE__)
macos_qos_class(QOS_CLASS_UNSPECIFIED),
#endif
unlimit_coredumps(false),
windows_enable_symlinks(false) {
if (blaze::IsRunningWithinTest()) {
output_root = blaze_util::MakeAbsolute(blaze::GetPathEnv("TEST_TMPDIR"));
max_idle_secs = 15;
BAZEL_LOG(USER) << "$TEST_TMPDIR defined: output root default is '"
<< output_root << "' and max_idle_secs default is '"
<< max_idle_secs << "'.";
} else {
output_root = workspace_layout->GetOutputRoot();
max_idle_secs = 3 * 3600;
BAZEL_LOG(INFO) << "output root is '" << output_root
<< "' and max_idle_secs default is '" << max_idle_secs
<< "'.";
}
#if defined(_WIN32) || defined(__CYGWIN__)
string windows_unix_root = DetectBashAndExportBazelSh();
if (!windows_unix_root.empty()) {
host_jvm_args.push_back(string("-Dbazel.windows_unix_root=") +
windows_unix_root);
}
#endif // defined(_WIN32) || defined(__CYGWIN__)
const string product_name_lower = GetLowercaseProductName();
output_user_root = blaze_util::JoinPath(
output_root, "_" + product_name_lower + "_" + GetUserName());
// IMPORTANT: Before modifying the statements below please contact a Bazel
// core team member that knows the internal procedure for adding/deprecating
// startup flags.
RegisterNullaryStartupFlag("batch", &batch);
RegisterNullaryStartupFlag("batch_cpu_scheduling", &batch_cpu_scheduling);
RegisterNullaryStartupFlag("block_for_lock", &block_for_lock);
RegisterNullaryStartupFlag("client_debug", &client_debug);
RegisterNullaryStartupFlag("preemptible", &preemptible);
RegisterNullaryStartupFlag("expand_configs_in_place",
&expand_configs_in_place);
RegisterNullaryStartupFlag("fatal_event_bus_exceptions",
&fatal_event_bus_exceptions);
RegisterNullaryStartupFlag("host_jvm_debug", &host_jvm_debug);
RegisterNullaryStartupFlag("autodetect_server_javabase",
&autodetect_server_javabase);
RegisterNullaryStartupFlag("idle_server_tasks", &idle_server_tasks);
RegisterNullaryStartupFlag("shutdown_on_low_sys_mem",
&shutdown_on_low_sys_mem);
RegisterNullaryStartupFlagNoRc("ignore_all_rc_files", &ignore_all_rc_files);
RegisterNullaryStartupFlag("unlimit_coredumps", &unlimit_coredumps);
RegisterNullaryStartupFlag("watchfs", &watchfs);
RegisterNullaryStartupFlag("write_command_log", &write_command_log);
RegisterNullaryStartupFlag("windows_enable_symlinks",
&windows_enable_symlinks);
RegisterUnaryStartupFlag("command_port");
RegisterUnaryStartupFlag("connect_timeout_secs");
RegisterUnaryStartupFlag("local_startup_timeout_secs");
RegisterUnaryStartupFlag("digest_function");
RegisterUnaryStartupFlag("unix_digest_hash_attribute_name");
RegisterUnaryStartupFlag("server_javabase");
RegisterUnaryStartupFlag("host_jvm_args");
RegisterUnaryStartupFlag("host_jvm_profile");
RegisterUnaryStartupFlag("invocation_policy");
RegisterUnaryStartupFlag("io_nice_level");
RegisterUnaryStartupFlag("install_base");
RegisterUnaryStartupFlag("macos_qos_class");
RegisterUnaryStartupFlag("max_idle_secs");
RegisterUnaryStartupFlag("output_base");
RegisterUnaryStartupFlag("output_user_root");
RegisterUnaryStartupFlag("server_jvm_out");
RegisterUnaryStartupFlag("failure_detail_out");
}
StartupOptions::~StartupOptions() {}
string StartupOptions::GetLowercaseProductName() const {
string lowercase_product_name = product_name;
blaze_util::ToLower(&lowercase_product_name);
return lowercase_product_name;
}
bool StartupOptions::IsUnary(const string &arg) const {
std::string::size_type i = arg.find_first_of('=');
if (i == std::string::npos) {
return valid_unary_startup_flags_.find(arg) !=
valid_unary_startup_flags_.end();
} else {
return valid_unary_startup_flags_.find(arg.substr(0, i)) !=
valid_unary_startup_flags_.end();
}
}
bool StartupOptions::MaybeCheckValidNullary(const string &arg, bool *result,
std::string *error) const {
std::string::size_type i = arg.find_first_of('=');
if (i == std::string::npos) {
*result = all_nullary_startup_flags_.find(arg) !=
all_nullary_startup_flags_.end();
return true;
}
std::string f = arg.substr(0, i);
if (all_nullary_startup_flags_.find(f) == all_nullary_startup_flags_.end()) {
*result = false;
return true;
}
blaze_util::StringPrintf(
error, "In argument '%s': option '%s' does not take a value.",
arg.c_str(), f.c_str());
return false;
}
void StartupOptions::AddExtraOptions(vector<string> *result) const {}
blaze_exit_code::ExitCode StartupOptions::ProcessArg(
const string &argstr, const string &next_argstr, const string &rcfile,
bool *is_space_separated, string *error) {
// We have to parse a specific option syntax, so GNU getopts won't do. All
// options begin with "--" or "-". Values are given together with the option
// delimited by '=' or in the next option.
const char* arg = argstr.c_str();
const char *next_arg = next_argstr.empty() ? nullptr : next_argstr.c_str();
const char *value = nullptr;
bool is_nullary;
if (!MaybeCheckValidNullary(argstr, &is_nullary, error)) {
*is_space_separated = false;
return blaze_exit_code::BAD_ARGV;
}
if (is_nullary) {
// 'enabled' is true if 'argstr' is "--foo", and false if it's "--nofoo".
bool enabled = (argstr.compare(0, 4, "--no") != 0);
if (no_rc_nullary_startup_flags_.find(argstr) !=
no_rc_nullary_startup_flags_.end()) {
// no_rc_nullary_startup_flags_ are forbidden in .bazelrc files.
if (!rcfile.empty()) {
*error = std::string("Can't specify ") + argstr + " in the " +
GetRcFileBaseName() + " file.";
return blaze_exit_code::BAD_ARGV;
}
}
if (special_nullary_startup_flags_.find(argstr) !=
special_nullary_startup_flags_.end()) {
// 'argstr' is either "--foo" or "--nofoo", and the map entry is the
// lambda that handles setting the flag's value.
special_nullary_startup_flags_[argstr](enabled);
} else {
// 'argstr' is either "--foo" or "--nofoo", and the map entry is the
// pointer to the bool storing the flag's value.
*all_nullary_startup_flags_[argstr] = enabled;
}
// Use the key "foo" for 'argstr' of "--foo" / "--nofoo", unless there's an
// overridden name we must use.
std::string key = argstr.substr(enabled ? 2 : 4);
if (option_sources_key_override_.find(key) !=
option_sources_key_override_.end()) {
key = option_sources_key_override_[key];
}
option_sources[key] = rcfile;
*is_space_separated = false;
return blaze_exit_code::SUCCESS;
}
if ((value = GetUnaryOption(arg, next_arg, "--output_base")) != nullptr) {
output_base = blaze_util::Path(blaze::AbsolutePathFromFlag(value));
option_sources["output_base"] = rcfile;
} else if ((value = GetUnaryOption(arg, next_arg, "--install_base")) !=
nullptr) {
install_base = blaze::AbsolutePathFromFlag(value);
option_sources["install_base"] = rcfile;
} else if ((value = GetUnaryOption(arg, next_arg, "--output_user_root")) !=
nullptr) {
output_user_root = blaze::AbsolutePathFromFlag(value);
option_sources["output_user_root"] = rcfile;
} else if ((value = GetUnaryOption(arg, next_arg, "--server_jvm_out")) !=
nullptr) {
server_jvm_out = blaze_util::Path(blaze::AbsolutePathFromFlag(value));
option_sources["server_jvm_out"] = rcfile;
} else if ((value = GetUnaryOption(arg, next_arg, "--failure_detail_out")) !=
nullptr) {
failure_detail_out = blaze_util::Path(blaze::AbsolutePathFromFlag(value));
option_sources["failure_detail_out"] = rcfile;
} else if ((value = GetUnaryOption(arg, next_arg, "--host_jvm_profile")) !=
nullptr) {
host_jvm_profile = value;
option_sources["host_jvm_profile"] = rcfile;
} else if ((value = GetUnaryOption(arg, next_arg, "--server_javabase")) !=
nullptr) {
// TODO(bazel-team): Consider examining the javabase and re-execing in case
// of architecture mismatch.
explicit_server_javabase_ =
blaze_util::Path(blaze::AbsolutePathFromFlag(value));
option_sources["server_javabase"] = rcfile;
} else if ((value = GetUnaryOption(arg, next_arg, "--host_jvm_args")) !=
nullptr) {
host_jvm_args.push_back(value);
option_sources["host_jvm_args"] = rcfile; // NB: This is incorrect
} else if ((value = GetUnaryOption(arg, next_arg, "--io_nice_level")) !=
nullptr) {
if (!blaze_util::safe_strto32(value, &io_nice_level) ||
io_nice_level > 7) {
blaze_util::StringPrintf(error,
"Invalid argument to --io_nice_level: '%s'. Must not exceed 7.",
value);
return blaze_exit_code::BAD_ARGV;
}
option_sources["io_nice_level"] = rcfile;
} else if ((value = GetUnaryOption(arg, next_arg, "--max_idle_secs")) !=
nullptr) {
if (!blaze_util::safe_strto32(value, &max_idle_secs) ||
max_idle_secs < 0) {
blaze_util::StringPrintf(error,
"Invalid argument to --max_idle_secs: '%s'.", value);
return blaze_exit_code::BAD_ARGV;
}
option_sources["max_idle_secs"] = rcfile;
} else if ((value = GetUnaryOption(arg, next_arg, "--macos_qos_class")) !=
nullptr) {
// We parse the value of this flag on all platforms even if it is
// macOS-specific to ensure that rc files mentioning it are valid.
// There is also apparently "QOS_CLASS_MAINTENANCE", but this doesn't
// appear to have been exposed in the public headers as of macOS 11.1.
if (strcmp(value, "utility") == 0) {
#if defined(__APPLE__)
macos_qos_class = QOS_CLASS_UTILITY;
#endif
} else if (strcmp(value, "background") == 0) {
#if defined(__APPLE__)
macos_qos_class = QOS_CLASS_BACKGROUND;
#endif
} else {
blaze_util::StringPrintf(
error, "Invalid argument to --macos_qos_class: '%s'.", value);
return blaze_exit_code::BAD_ARGV;
}
option_sources["macos_qos_class"] = rcfile;
} else if ((value = GetUnaryOption(arg, next_arg,
"--connect_timeout_secs")) != nullptr) {
if (!blaze_util::safe_strto32(value, &connect_timeout_secs) ||
connect_timeout_secs < 1 || connect_timeout_secs > 3600) {
blaze_util::StringPrintf(
error,
"Invalid argument to --connect_timeout_secs: '%s'.\n"
"Must be an integer between 1 and 3600.\n",
value);
return blaze_exit_code::BAD_ARGV;
}
option_sources["connect_timeout_secs"] = rcfile;
} else if ((value = GetUnaryOption(
arg, next_arg, "--local_startup_timeout_secs")) != nullptr) {
if (!blaze_util::safe_strto32(value, &local_startup_timeout_secs) ||
local_startup_timeout_secs < 1) {
blaze_util::StringPrintf(
error,
"Invalid argument to --local_startup_timeout_secs: '%s'.\n"
"Must be a positive integer.\n",
value);
return blaze_exit_code::BAD_ARGV;
}
option_sources["local_startup_timeout_secs"] = rcfile;
} else if ((value = GetUnaryOption(arg, next_arg, "--digest_function")) !=
nullptr) {
digest_function = value;
option_sources["digest_function"] = rcfile;
} else if ((value = GetUnaryOption(arg, next_arg,
"--unix_digest_hash_attribute_name")) !=
nullptr) {
unix_digest_hash_attribute_name = value;
option_sources["unix_digest_hash_attribute_name"] = rcfile;
} else if ((value = GetUnaryOption(arg, next_arg, "--command_port")) !=
nullptr) {
if (!blaze_util::safe_strto32(value, &command_port) ||
command_port < 0 || command_port > 65535) {
blaze_util::StringPrintf(error,
"Invalid argument to --command_port: '%s'.\n"
"Must be a valid port number or 0.\n",
value);
return blaze_exit_code::BAD_ARGV;
}
option_sources["command_port"] = rcfile;
} else if ((value = GetUnaryOption(arg, next_arg, "--invocation_policy")) !=
nullptr) {
if (!have_invocation_policy_) {
have_invocation_policy_ = true;
invocation_policy = value;
option_sources["invocation_policy"] = rcfile;
} else {
*error = "The startup flag --invocation_policy cannot be specified "
"multiple times.";
return blaze_exit_code::BAD_ARGV;
}
} else {
bool extra_argument_processed;
blaze_exit_code::ExitCode process_extra_arg_exit_code = ProcessArgExtra(
arg, next_arg, rcfile, &value, &extra_argument_processed, error);
if (process_extra_arg_exit_code != blaze_exit_code::SUCCESS) {
return process_extra_arg_exit_code;
}
if (!extra_argument_processed) {
blaze_util::StringPrintf(
error,
"Unknown startup option: '%s'.\n"
" For more info, run '%s help startup_options'.",
arg, GetLowercaseProductName().c_str());
return blaze_exit_code::BAD_ARGV;
}
}
*is_space_separated = ((value == next_arg) && (value != nullptr));
return blaze_exit_code::SUCCESS;
}
blaze_exit_code::ExitCode StartupOptions::ProcessArgs(
const std::vector<RcStartupFlag>& rcstartup_flags,
std::string *error) {
std::vector<RcStartupFlag>::size_type i = 0;
while (i < rcstartup_flags.size()) {
bool is_space_separated = false;
const std::string next_value =
(i == rcstartup_flags.size() - 1) ? "" : rcstartup_flags[i + 1].value;
const blaze_exit_code::ExitCode process_arg_exit_code =
ProcessArg(rcstartup_flags[i].value, next_value,
rcstartup_flags[i].source, &is_space_separated, error);
// Store the provided option in --flag(=value)? form. Store these before
// propagating any error code, since we want to have the correct
// information for the output. The fact that the options aren't parseable
// doesn't matter for this step.
if (is_space_separated) {
const std::string combined_value =
rcstartup_flags[i].value + "=" + next_value;
original_startup_options_.push_back(
RcStartupFlag(rcstartup_flags[i].source, combined_value));
i += 2;
} else {
original_startup_options_.push_back(
RcStartupFlag(rcstartup_flags[i].source, rcstartup_flags[i].value));
i++;
}
if (process_arg_exit_code != blaze_exit_code::SUCCESS) {
return process_arg_exit_code;
}
}
return blaze_exit_code::SUCCESS;
}
blaze_util::Path StartupOptions::GetSystemJavabase() const {
return blaze_util::Path(blaze::GetSystemJavabase());
}
blaze_util::Path StartupOptions::GetEmbeddedJavabase() const {
blaze_util::Path bundled_jre_path = blaze_util::Path(
blaze_util::JoinPath(install_base, "embedded_tools/jdk"));
if (blaze_util::CanExecuteFile(
bundled_jre_path.GetRelative(GetJavaBinaryUnderJavabase()))) {
return bundled_jre_path;
}
return blaze_util::Path();
}
std::pair<blaze_util::Path, StartupOptions::JavabaseType>
StartupOptions::GetServerJavabaseAndType() const {
// 1) Allow overriding the server_javabase via --server_javabase.
if (!explicit_server_javabase_.IsEmpty()) {
return std::pair<blaze_util::Path, JavabaseType>(explicit_server_javabase_,
JavabaseType::EXPLICIT);
}
if (default_server_javabase_.first.IsEmpty()) {
blaze_util::Path bundled_jre_path = GetEmbeddedJavabase();
if (!bundled_jre_path.IsEmpty()) {
// 2) Use a bundled JVM if we have one.
default_server_javabase_ = std::pair<blaze_util::Path, JavabaseType>(
bundled_jre_path, JavabaseType::EMBEDDED);
} else if (!autodetect_server_javabase) {
BAZEL_DIE(blaze_exit_code::LOCAL_ENVIRONMENTAL_ERROR)
<< "Could not find embedded or explicit server javabase, and "
"--noautodetect_server_javabase is set.";
} else {
// 3) Otherwise fall back to using the default system JVM.
blaze_util::Path system_javabase = GetSystemJavabase();
if (system_javabase.IsEmpty()) {
BAZEL_DIE(blaze_exit_code::LOCAL_ENVIRONMENTAL_ERROR)
<< "Could not find system javabase. Ensure JAVA_HOME is set, or "
"javac is on your PATH.";
}
default_server_javabase_ = std::pair<blaze_util::Path, JavabaseType>(
system_javabase, JavabaseType::SYSTEM);
}
}
return default_server_javabase_;
}
blaze_util::Path StartupOptions::GetServerJavabase() const {
return GetServerJavabaseAndType().first;
}
blaze_util::Path StartupOptions::GetExplicitServerJavabase() const {
return explicit_server_javabase_;
}
blaze_util::Path StartupOptions::GetJvm() const {
auto javabase_and_type = GetServerJavabaseAndType();
blaze_exit_code::ExitCode sanity_check_code =
SanityCheckJavabase(javabase_and_type.first, javabase_and_type.second);
if (sanity_check_code != blaze_exit_code::SUCCESS) {
exit(sanity_check_code);
}
return javabase_and_type.first.GetRelative(GetJavaBinaryUnderJavabase());
}
// Prints an appropriate error message and returns an appropriate error exit
// code for a server javabase which failed sanity checks.
static blaze_exit_code::ExitCode BadServerJavabaseError(
StartupOptions::JavabaseType javabase_type,
const std::map<string, string> &option_sources) {
switch (javabase_type) {
case StartupOptions::JavabaseType::EXPLICIT: {
auto source = option_sources.find("server_javabase");
string rc_file;
if (source != option_sources.end() && !source->second.empty()) {
rc_file = source->second;
}
BAZEL_LOG(ERROR)
<< " The java path was specified by a '--server_javabase' option " +
(rc_file.empty() ? "on the command line" : "in " + rc_file);
return blaze_exit_code::BAD_ARGV;
}
case StartupOptions::JavabaseType::EMBEDDED:
BAZEL_LOG(ERROR) << " Internal error: embedded JDK fails sanity check.";
return blaze_exit_code::INTERNAL_ERROR;
case StartupOptions::JavabaseType::SYSTEM:
return blaze_exit_code::LOCAL_ENVIRONMENTAL_ERROR;
default:
BAZEL_LOG(ERROR)
<< " Internal error: server javabase type was not initialized.";
// Fall through.
}
return blaze_exit_code::INTERNAL_ERROR;
}
blaze_exit_code::ExitCode StartupOptions::SanityCheckJavabase(
const blaze_util::Path &javabase,
StartupOptions::JavabaseType javabase_type) const {
blaze_util::Path java_program =
javabase.GetRelative(GetJavaBinaryUnderJavabase());
if (!blaze_util::CanExecuteFile(java_program)) {
if (!blaze_util::PathExists(java_program)) {
BAZEL_LOG(ERROR) << "Couldn't find java at '"
<< java_program.AsPrintablePath() << "'.";
} else {
string err = blaze_util::GetLastErrorString();
BAZEL_LOG(ERROR) << "Java at '" << java_program.AsPrintablePath()
<< "' exists but is not executable: " << err;
}
return BadServerJavabaseError(javabase_type, option_sources);
}
if ( // If the full JDK is installed
blaze_util::CanReadFile(javabase.GetRelative("jre/lib/rt.jar")) ||
// If just the JRE is installed
blaze_util::CanReadFile(javabase.GetRelative("lib/rt.jar")) ||
// rt.jar does not exist in java 9+ so check for java instead
blaze_util::CanReadFile(javabase.GetRelative("bin/java")) ||
blaze_util::CanReadFile(javabase.GetRelative("bin/java.exe"))) {
return blaze_exit_code::SUCCESS;
}
BAZEL_LOG(ERROR) << "Problem with java installation: couldn't find/access "
"rt.jar or java in "
<< javabase.AsPrintablePath();
return BadServerJavabaseError(javabase_type, option_sources);
}
blaze_util::Path StartupOptions::GetExe(const blaze_util::Path &jvm,
const string &jar_path) const {
return jvm;
}
void StartupOptions::AddJVMArgumentPrefix(const blaze_util::Path &javabase,
std::vector<string> *result) const {}
void StartupOptions::AddJVMArgumentSuffix(
const blaze_util::Path &real_install_dir, const string &jar_path,
std::vector<string> *result) const {
result->push_back("-jar");
result->push_back(real_install_dir.GetRelative(jar_path).AsJvmArgument());
}
blaze_exit_code::ExitCode StartupOptions::AddJVMArguments(
const blaze_util::Path &server_javabase, std::vector<string> *result,
const vector<string> &user_options, string *error) const {
AddJVMLoggingArguments(result);
// Disable the JVM's own unlimiting of file descriptors. We do this
// ourselves in blaze.cc so we want our setting to propagate to the JVM.
//
// The reason to do this is that the JVM's unlimiting is suboptimal on
// macOS. Under that platform, the JVM limits the open file descriptors
// to the OPEN_MAX constant... which is much lower than the per-process
// kernel allowed limit of kern.maxfilesperproc (which is what we set
// ourselves to).
result->push_back("-XX:-MaxFDLimit");
return AddJVMMemoryArguments(server_javabase, result, user_options, error);
}
static std::string GetSimpleLogHandlerProps(
const blaze_util::Path &java_log,
const std::string &java_logging_formatter) {
return "handlers=com.google.devtools.build.lib.util.SimpleLogHandler\n"
".level=INFO\n"
"com.google.devtools.build.lib.util.SimpleLogHandler.level=INFO\n"
"com.google.devtools.build.lib.util.SimpleLogHandler.prefix=" +
java_log.AsJvmArgument() +
"\n"
"com.google.devtools.build.lib.util.SimpleLogHandler.limit=1024000\n"
"com.google.devtools.build.lib.util.SimpleLogHandler.total_limit="
"20971520\n" // 20 MB.
"com.google.devtools.build.lib.util.SimpleLogHandler.formatter=" +
java_logging_formatter + "\n";
}
void StartupOptions::AddJVMLoggingArguments(std::vector<string> *result) const {
// Configure logging
const blaze_util::Path propFile =
output_base.GetRelative("javalog.properties");
const blaze_util::Path java_log = output_base.GetRelative("java.log");
const std::string loggingProps =
GetSimpleLogHandlerProps(java_log, java_logging_formatter);
if (!blaze_util::WriteFile(loggingProps, propFile)) {
perror(
("Couldn't write logging file " + propFile.AsPrintablePath()).c_str());
} else {
result->push_back("-Djava.util.logging.config.file=" +
propFile.AsJvmArgument());
result->push_back(
"-Dcom.google.devtools.build.lib.util.LogHandlerQuerier.class="
"com.google.devtools.build.lib.util.SimpleLogHandler$HandlerQuerier");
}
}
blaze_exit_code::ExitCode StartupOptions::AddJVMMemoryArguments(
const blaze_util::Path &, std::vector<string> *, const vector<string> &,
string *) const {
return blaze_exit_code::SUCCESS;
}
} // namespace blaze