--- /dev/null 2019-02-14 18:11:25.000000000 -0800 +++ new/src/jdk.jpackage/posix/native/libapplauncher/PosixPlatform.cpp 2019-02-14 18:11:22.215901900 -0800 @@ -0,0 +1,320 @@ +/* + * Copyright (c) 2014, 2019, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. Oracle designates this + * particular file as subject to the "Classpath" exception as provided + * by Oracle in the LICENSE file that accompanied this code. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +#include "PosixPlatform.h" + +#include "PlatformString.h" +#include "FilePath.h" +#include "Helpers.h" + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +using namespace std; + +PosixPlatform::PosixPlatform(void) { +} + +PosixPlatform::~PosixPlatform(void) { +} + +TString PosixPlatform::GetTempDirectory() { + struct passwd* pw = getpwuid(getuid()); + TString homedir(pw->pw_dir); + homedir += getTmpDirString(); + if (!FilePath::DirectoryExists(homedir)) { + if (!FilePath::CreateDirectory(homedir, false)) { + homedir.clear(); + } + } + + return homedir; +} + +TString PosixPlatform::fixName(const TString& name) { + TString fixedName(name); + const TString chars("?:*<>/\\"); + for (TString::const_iterator it = chars.begin(); it != chars.end(); it++) { + fixedName.erase(std::remove(fixedName.begin(), + fixedName.end(), *it), fixedName.end()); + } + return fixedName; +} + +MessageResponse PosixPlatform::ShowResponseMessage(TString title, + TString description) { + MessageResponse result = mrCancel; + + printf("%s %s (Y/N)\n", PlatformString(title).toPlatformString(), + PlatformString(description).toPlatformString()); + fflush(stdout); + + std::string input; + std::cin >> input; + + if (input == "Y") { + result = mrOK; + } + + return result; +} + +void PosixPlatform::SetCurrentDirectory(TString Value) { + chdir(StringToFileSystemString(Value)); +} + +Module PosixPlatform::LoadLibrary(TString FileName) { + return dlopen(StringToFileSystemString(FileName), RTLD_LAZY); +} + +void PosixPlatform::FreeLibrary(Module AModule) { + dlclose(AModule); +} + +Procedure PosixPlatform::GetProcAddress(Module AModule, + std::string MethodName) { + return dlsym(AModule, PlatformString(MethodName)); +} + +Process* PosixPlatform::CreateProcess() { + return new PosixProcess(); +} + +void PosixPlatform::addPlatformDependencies(JavaLibrary *pJavaLibrary) { +} + +void Platform::CopyString(char *Destination, + size_t NumberOfElements, const char *Source) { + strncpy(Destination, Source, NumberOfElements); + + if (NumberOfElements > 0) { + Destination[NumberOfElements - 1] = '\0'; + } +} + +void Platform::CopyString(wchar_t *Destination, + size_t NumberOfElements, const wchar_t *Source) { + wcsncpy(Destination, Source, NumberOfElements); + + if (NumberOfElements > 0) { + Destination[NumberOfElements - 1] = '\0'; + } +} + +// Owner must free the return value. + +MultibyteString Platform::WideStringToMultibyteString( + const wchar_t* value) { + MultibyteString result; + size_t count = 0; + + if (value == NULL) { + return result; + } + + count = wcstombs(NULL, value, 0); + if (count > 0) { + result.data = new char[count + 1]; + result.data[count] = '\0'; + result.length = count; + wcstombs(result.data, value, count); + } + + return result; +} + +// Owner must free the return value. + +WideString Platform::MultibyteStringToWideString(const char* value) { + WideString result; + size_t count = 0; + + if (value == NULL) { + return result; + } + + count = mbstowcs(NULL, value, 0); + if (count > 0) { + result.data = new wchar_t[count + 1]; + result.data[count] = '\0'; + result.length = count; + mbstowcs(result.data, value, count); + } + + return result; +} + +void PosixPlatform::InitStreamLocale(wios *stream) { + // Nothing to do for POSIX platforms. +} + +PosixProcess::PosixProcess() : Process() { + FChildPID = 0; + FRunning = false; + FOutputHandle = 0; + FInputHandle = 0; +} + +PosixProcess::~PosixProcess() { + Terminate(); +} + +bool PosixProcess::ReadOutput() { + bool result = false; + + if (FOutputHandle != 0 && IsRunning() == true) { + char buffer[4096] = {0}; + + ssize_t count = read(FOutputHandle, buffer, sizeof (buffer)); + + if (count == -1) { + if (errno == EINTR) { + // continue; + } else { + perror("read"); + exit(1); + } + } else if (count == 0) { + // break; + } else { + if (buffer[count - 1] == EOF) { + buffer[count - 1] = '\0'; + } + + std::list output = Helpers::StringToArray(buffer); + FOutput.splice(FOutput.end(), output, output.begin(), output.end()); + result = true; + } + } + + return false; +} + +bool PosixProcess::IsRunning() { + bool result = false; + + if (kill(FChildPID, 0) == 0) { + result = true; + } + + return result; +} + +bool PosixProcess::Terminate() { + bool result = false; + + if (IsRunning() == true && FRunning == true) { + FRunning = false; + Cleanup(); + int status = kill(FChildPID, SIGTERM); + + if (status == 0) { + result = true; + } else { +#ifdef DEBUG + if (errno == EINVAL) { + printf("Kill error: The value of the sig argument is an invalid or unsupported signal number."); + } else if (errno == EPERM) { + printf("Kill error: The process does not have permission to send the signal to any receiving process."); + } else if (errno == ESRCH) { + printf("Kill error: No process or process group can be found corresponding to that specified by pid."); + } +#endif // DEBUG + if (IsRunning() == true) { + status = kill(FChildPID, SIGKILL); + + if (status == 0) { + result = true; + } + } + } + } + + return result; +} + +bool PosixProcess::Wait() { + bool result = false; + + int status = 0; + pid_t wpid = 0; + + wpid = wait(&status); + if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) { + if (errno != EINTR) { + status = -1; + } + } + +#ifdef DEBUG + if (WIFEXITED(status)) { + printf("child exited, status=%d\n", WEXITSTATUS(status)); + } else if (WIFSIGNALED(status)) { + printf("child killed (signal %d)\n", WTERMSIG(status)); + } else if (WIFSTOPPED(status)) { + printf("child stopped (signal %d)\n", WSTOPSIG(status)); +#ifdef WIFCONTINUED // Not all implementations support this + } else if (WIFCONTINUED(status)) { + printf("child continued\n"); +#endif // WIFCONTINUED + } else { // Non-standard case -- may never happen + printf("Unexpected status (0x%x)\n", status); + } +#endif // DEBUG + + if (wpid != -1) { + result = true; + } + + return result; +} + +TProcessID PosixProcess::GetProcessID() { + return FChildPID; +} + +void PosixProcess::SetInput(TString Value) { + if (FInputHandle != 0) { + write(FInputHandle, Value.data(), Value.size()); + } +} + +std::list PosixProcess::GetOutput() { + ReadOutput(); + return Process::GetOutput(); +}