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// Copyright 2014 Google Inc. 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 <errno.h>
#include <limits.h>
#include <string.h> // strerror
#include <sys/statfs.h>
#include <unistd.h>
#include <cstdlib>
#include <cstdio>
#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/strings.h"
namespace blaze {
using blaze_util::die;
using blaze_util::pdie;
using std::string;
void WarnFilesystemType(const string& output_base) {
}
string GetSelfPath() {
char buffer[PATH_MAX] = {};
ssize_t bytes = readlink("/proc/self/exe", buffer, sizeof(buffer));
if (bytes == sizeof(buffer)) {
// symlink contents truncated
bytes = -1;
errno = ENAMETOOLONG;
}
if (bytes == -1) {
pdie(blaze_exit_code::INTERNAL_ERROR, "error reading /proc/self/exe");
}
buffer[bytes] = '\0'; // readlink does not NUL-terminate
return string(buffer);
}
string GetOutputRoot() {
return "/var/tmp";
}
pid_t GetPeerProcessId(int socket) {
struct ucred creds = {};
socklen_t len = sizeof creds;
if (getsockopt(socket, SOL_SOCKET, SO_PEERCRED, &creds, &len) == -1) {
pdie(blaze_exit_code::LOCAL_ENVIRONMENTAL_ERROR,
"can't get server pid from connection");
}
return creds.pid;
}
uint64 MonotonicClock() {
struct timespec ts = {};
clock_gettime(CLOCK_MONOTONIC, &ts);
return ts.tv_sec * 1000000000LL + ts.tv_nsec;
}
uint64 ProcessClock() {
struct timespec ts = {};
clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &ts);
return ts.tv_sec * 1000000000LL + ts.tv_nsec;
}
void SetScheduling(bool batch_cpu_scheduling, int io_nice_level) {
// TODO(bazel-team): There should be a similar function on Windows.
}
string GetProcessCWD(int pid) {
char server_cwd[PATH_MAX] = {};
if (readlink(
("/proc/" + std::to_string(pid) + "/cwd").c_str(),
server_cwd, sizeof(server_cwd)) < 0) {
return "";
}
return string(server_cwd);
}
bool IsSharedLibrary(const string &filename) {
return blaze_util::ends_with(filename, ".dll");
}
string GetDefaultHostJavabase() {
const char *javahome = getenv("JAVA_HOME");
if (javahome == NULL) {
die(blaze_exit_code::LOCAL_ENVIRONMENTAL_ERROR,
"Error: JAVA_HOME not set.");
}
return javahome;
}
} // namespace blaze
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