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/*****************************************************************************
* Copyright 2014 - 2015 Yichao Yu <yyc1992@gmail.com> *
* *
* 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 2.1 of the *
* License, or (at your option) version 3, or any later version accepted *
* by the membership of KDE e.V. (or its successor approved by the *
* membership of KDE e.V.), which shall act as a proxy defined in *
* Section 6 of version 3 of the license. *
* *
* 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 library. If not, *
* see <http://www.gnu.org/licenses/>. *
*****************************************************************************/
#ifndef _QTC_UTILS_PROCESS_H_
#define _QTC_UTILS_PROCESS_H_
#include "utils.h"
bool qtcForkBackground(QtcCallback cb, void *data, QtcCallback fail_cb=nullptr);
bool qtcSpawn(const char *file, const char *const *argv,
QtcCallback cb, void *cb_data, QtcCallback fail_cb=nullptr);
typedef enum {
QTC_POPEN_NONE = 0,
QTC_POPEN_READ = 1 << 0,
QTC_POPEN_WRITE = 1 << 1,
QTC_POPEN_RDWR = QTC_POPEN_READ | QTC_POPEN_WRITE
} QtcPopenFDMode;
typedef struct {
int orig;
int replace;
QtcPopenFDMode mode;
} QtcPopenFD;
bool qtcPopen(const char *file, const char *const *argv,
unsigned fd_num, QtcPopenFD *fds);
typedef struct {
int orig;
QtcPopenFDMode mode;
char *buff;
size_t len;
} QtcPopenBuff;
bool qtcPopenBuff(const char *file, const char *const *argv, unsigned buff_num,
QtcPopenBuff *buffs, int timeout);
QTC_ALWAYS_INLINE static inline char*
qtcPopenStdout(const char *file, const char *const *argv,
int timeout, size_t *len)
{
QtcPopenBuff popen_buff = {1, QTC_POPEN_READ, nullptr, 0};
bool res = qtcPopenBuff(file, argv, 1, &popen_buff, timeout);
qtcAssign(len, popen_buff.len);
QTC_RET_IF_FAIL(res, nullptr);
if (!popen_buff.len) {
free(popen_buff.buff);
return nullptr;
}
popen_buff.buff[popen_buff.len] = '\0';
return popen_buff.buff;
}
#endif
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