tree changes
This commit is contained in:
294
libs/main/system/piprocess.cpp
Normal file
294
libs/main/system/piprocess.cpp
Normal file
@@ -0,0 +1,294 @@
|
||||
/*
|
||||
PIP - Platform Independent Primitives
|
||||
Process
|
||||
Ivan Pelipenko peri4ko@yandex.ru
|
||||
|
||||
This program is free software: you can redistribute it and/or modify
|
||||
it under the terms of the GNU Lesser General Public License as published by
|
||||
the Free Software Foundation, either version 3 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program 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 Lesser General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Lesser General Public License
|
||||
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
#ifndef PIP_FREERTOS
|
||||
|
||||
#include "piincludes_p.h"
|
||||
#include "piprocess.h"
|
||||
#ifndef WINDOWS
|
||||
# include <sys/wait.h>
|
||||
# include <csignal>
|
||||
#endif
|
||||
#ifdef MAC_OS
|
||||
# include <crt_externs.h>
|
||||
#endif
|
||||
PRIVATE_DEFINITION_START(PIProcess)
|
||||
#ifdef WINDOWS
|
||||
STARTUPINFOA si;
|
||||
PROCESS_INFORMATION pi;
|
||||
#else
|
||||
pid_t pid;
|
||||
#endif
|
||||
FILE * tf_in, * tf_out, * tf_err;
|
||||
PRIVATE_DEFINITION_END(PIProcess)
|
||||
|
||||
|
||||
PIProcess::PIProcess(): PIThread() {
|
||||
exit_code = -1;
|
||||
#ifdef WINDOWS
|
||||
PRIVATE->pi.dwProcessId = 0;
|
||||
#else
|
||||
PRIVATE->pid = 0;
|
||||
#endif
|
||||
is_exec = false;
|
||||
g_in = g_out = g_err = false;
|
||||
t_in = t_out = t_err = false;
|
||||
PRIVATE->tf_in = PRIVATE->tf_out = PRIVATE->tf_err = 0;
|
||||
env = PIProcess::currentEnvironment();
|
||||
}
|
||||
|
||||
|
||||
PIProcess::~PIProcess() {
|
||||
if (t_in) f_in.remove();
|
||||
if (t_out) f_out.remove();
|
||||
if (t_err) f_err.remove();
|
||||
}
|
||||
|
||||
|
||||
void PIProcess::exec_() {
|
||||
is_exec = false;
|
||||
startOnce();
|
||||
//cout << "exec wait" << endl;
|
||||
while (!is_exec)
|
||||
msleep(PIP_MIN_MSLEEP);
|
||||
//cout << "exec end" << endl;
|
||||
}
|
||||
|
||||
|
||||
void PIProcess::startProc(bool detached) {
|
||||
//cout << "run" << endl;
|
||||
PIString str;
|
||||
/// arguments convertion
|
||||
#ifdef WINDOWS
|
||||
int as = 0;
|
||||
piForeachC (PIString & i, args)
|
||||
as += i.lengthAscii() + 3;
|
||||
char * a = new char[as];
|
||||
memset(a, ' ', as - 1);
|
||||
as = 0;
|
||||
for (int i = 0; i < args.size_s(); ++i) {
|
||||
str = args[i];
|
||||
a[as] = '"';
|
||||
memcpy(&(a[as + 1]), str.data(), str.lengthAscii());
|
||||
a[as + str.lengthAscii() + 1] = '"';
|
||||
as += str.lengthAscii() + 3;
|
||||
}
|
||||
a[as - 1] = 0;
|
||||
//piCout << a;
|
||||
#else
|
||||
//piCout << "#" << args;
|
||||
char * a[args.size_s() + 1];
|
||||
for (int i = 0; i < args.size_s(); ++i) {
|
||||
str = args[i];
|
||||
//piCout << i << str << str.size() << str.lengthAscii() << str.lengthAscii() << str.lengthAscii();
|
||||
a[i] = new char[str.lengthAscii() + 1];
|
||||
memcpy(a[i], str.data(), str.lengthAscii());
|
||||
a[i][str.lengthAscii()] = 0;
|
||||
}
|
||||
a[args.size_s()] = 0;
|
||||
#endif
|
||||
/// environment convertion
|
||||
char ** e = new char*[env.size_s() + 1];
|
||||
for (int i = 0; i < env.size_s(); ++i) {
|
||||
str = env[i];
|
||||
e[i] = new char[str.lengthAscii() + 1];
|
||||
memcpy(e[i], str.data(), str.lengthAscii());
|
||||
e[i][str.lengthAscii()] = 0;
|
||||
//cout << e[i] << endl;
|
||||
}
|
||||
e[env.size_s()] = 0;
|
||||
/// files for stdin/out/err
|
||||
t_in = t_out = t_err = false;
|
||||
if (f_in.path().isEmpty()) {
|
||||
f_in.openTemporary(PIIODevice::ReadWrite);
|
||||
t_in = true;
|
||||
}
|
||||
if (f_out.path().isEmpty()) {
|
||||
f_out.openTemporary(PIIODevice::ReadWrite);
|
||||
t_out = true;
|
||||
}
|
||||
if (f_err.path().isEmpty()) {
|
||||
f_err.openTemporary(PIIODevice::ReadWrite);
|
||||
t_err = true;
|
||||
}
|
||||
|
||||
str = args.front();
|
||||
is_exec = true;
|
||||
if (!detached) execStarted(str);
|
||||
#ifndef WINDOWS
|
||||
int pid_ = fork();
|
||||
if (!detached) PRIVATE->pid = pid_;
|
||||
if (pid_ == 0) {
|
||||
#endif
|
||||
PRIVATE->tf_in = PRIVATE->tf_out = PRIVATE->tf_err = 0;
|
||||
//cout << "exec " << tf_in << ", " << tf_out << ", " << tf_err << endl;
|
||||
//cout << f_out.path() << endl;
|
||||
if (g_in) PRIVATE->tf_in = freopen(f_in.path().data(), "r", stdin);
|
||||
if (g_out) PRIVATE->tf_out = freopen(f_out.path().data(), "w", stdout);
|
||||
if (g_err) PRIVATE->tf_err = freopen(f_err.path().data(), "w", stderr);
|
||||
#ifndef WINDOWS
|
||||
if (!wd.isEmpty())
|
||||
if (!chdir(wd.data()))
|
||||
piCoutObj << "Error while set working directory";
|
||||
#endif
|
||||
#ifdef WINDOWS
|
||||
GetStartupInfoA(&(PRIVATE->si));
|
||||
memset(&(PRIVATE->pi), 0, sizeof(PRIVATE->pi));
|
||||
if(CreateProcessA(0, // No module name (use command line)
|
||||
a, // Command line
|
||||
0, // Process handle not inheritable
|
||||
0, // Thread handle not inheritable
|
||||
false, // Set handle inheritance to FALSE
|
||||
detached ? DETACHED_PROCESS/*CREATE_NEW_CONSOLE*/ : 0, // Creation flags
|
||||
0,//e, // Use environment
|
||||
wd.isEmpty() ? 0 : wd.data(), // Use working directory
|
||||
&(PRIVATE->si), // Pointer to STARTUPINFO structure
|
||||
&(PRIVATE->pi))) // Pointer to PROCESS_INFORMATION structure
|
||||
{
|
||||
if (!detached) WaitForSingleObject(PRIVATE->pi.hProcess, INFINITE);
|
||||
CloseHandle(PRIVATE->pi.hThread);
|
||||
CloseHandle(PRIVATE->pi.hProcess);
|
||||
} else
|
||||
piCoutObj << "\"CreateProcess\" error, " << errorString();
|
||||
#else
|
||||
|
||||
//cout << "exec " << tf_in << ", " << tf_out << ", " << tf_err << endl;
|
||||
if (execve(str.data(), a, e) < 0)
|
||||
piCoutObj << "\"execve" << str << args << "\" error :" << errorString();
|
||||
} else {
|
||||
msleep(PIP_MIN_MSLEEP);
|
||||
//cout << "wait" << endl;
|
||||
if (!detached) {
|
||||
wait(&exit_code);
|
||||
pid_ = 0;
|
||||
if (!detached) PRIVATE->pid = pid_;
|
||||
//cout << "wait done" << endl;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
if (!detached) execFinished(str, exit_code);
|
||||
is_exec = false;
|
||||
for (int i = 0; i < env.size_s(); ++i)
|
||||
delete e[i];
|
||||
delete[] e;
|
||||
#ifdef WINDOWS
|
||||
delete a;
|
||||
#else
|
||||
for (int i = 0; i < args.size_s(); ++i)
|
||||
delete a[i];
|
||||
#endif
|
||||
}
|
||||
|
||||
|
||||
void PIProcess::terminate() {
|
||||
#ifdef WINDOWS
|
||||
if (is_exec)
|
||||
if (!TerminateProcess(PRIVATE->pi.hProcess, 0))
|
||||
return;
|
||||
PRIVATE->pi.dwProcessId = 0;
|
||||
#else
|
||||
if (is_exec)
|
||||
kill(PRIVATE->pid, SIGKILL);
|
||||
PRIVATE->pid = 0;
|
||||
#endif
|
||||
}
|
||||
|
||||
|
||||
void PIProcess::execIndependent(const PIString & program, const PIStringList & args_) {
|
||||
PIProcess p;
|
||||
p.args << program << args_;
|
||||
p.startProc(true);
|
||||
}
|
||||
|
||||
|
||||
int PIProcess::pID() const {
|
||||
#ifdef WINDOWS
|
||||
return PRIVATE->pi.dwProcessId;
|
||||
#else
|
||||
return PRIVATE->pid;
|
||||
#endif
|
||||
}
|
||||
|
||||
|
||||
int PIProcess::currentPID() {
|
||||
#ifdef WINDOWS
|
||||
return GetCurrentProcessId();
|
||||
#else
|
||||
return getpid();
|
||||
#endif
|
||||
}
|
||||
|
||||
|
||||
PIStringList PIProcess::currentEnvironment() {
|
||||
PIStringList l;
|
||||
int i = 0;
|
||||
while (environ[i] != 0) {
|
||||
l << environ[i];
|
||||
++i;
|
||||
}
|
||||
return l;
|
||||
}
|
||||
|
||||
|
||||
void PIProcess::run() {
|
||||
startProc(false);
|
||||
}
|
||||
|
||||
|
||||
void PIProcess::removeEnvironmentVariable(const PIString & variable) {
|
||||
PIString s;
|
||||
for (int i = 0; i < env.size_s(); ++i) {
|
||||
s = env[i];
|
||||
if (s.left(s.find("=")).trimmed() == variable) {
|
||||
env.remove(i);
|
||||
--i;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
void PIProcess::setEnvironmentVariable(const PIString & variable, const PIString & value) {
|
||||
PIString s, v;
|
||||
for (int i = 0; i < env.size_s(); ++i) {
|
||||
s = env[i];
|
||||
v = s.left(s.find("=")).trimmed();
|
||||
if (v == variable) {
|
||||
env[i] = v + "=" + value;
|
||||
return;
|
||||
}
|
||||
}
|
||||
env << variable + "=" + value;
|
||||
}
|
||||
|
||||
|
||||
PIString PIProcess::getEnvironmentVariable(const PIString & variable) {
|
||||
PIStringList env_ = currentEnvironment();
|
||||
PIString s, v;
|
||||
for (int i = 0; i < env_.size_s(); ++i) {
|
||||
s = env_[i];
|
||||
v = s.left(s.find("=")).trimmed();
|
||||
if (v == variable) {
|
||||
return s.right(s.size() - 1 - s.find("=")).trimmed();
|
||||
}
|
||||
}
|
||||
return PIString();
|
||||
}
|
||||
|
||||
#endif // PIP_FREERTOS
|
||||
|
||||
Reference in New Issue
Block a user