homework-jianmu/source/os/src/osSystem.c

144 lines
3.1 KiB
C

/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* 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.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#define _DEFAULT_SOURCE
#include "os.h"
#if defined(_TD_WINDOWS_64) || defined(_TD_WINDOWS_32)
/*
* windows implementation
*/
void* taosLoadDll(const char* filename) { return NULL; }
void* taosLoadSym(void* handle, char* name) { return NULL; }
void taosCloseDll(void* handle) {}
int taosSetConsoleEcho(bool on) {
HANDLE hStdin = GetStdHandle(STD_INPUT_HANDLE);
DWORD mode = 0;
GetConsoleMode(hStdin, &mode);
if (on) {
mode |= ENABLE_ECHO_INPUT;
} else {
mode &= ~ENABLE_ECHO_INPUT;
}
SetConsoleMode(hStdin, mode);
return 0;
}
#elif defined(_TD_DARWIN_64)
/*
* darwin implementation
*/
void* taosLoadDll(const char* filename) { return NULL; }
void* taosLoadSym(void* handle, char* name) { return NULL; }
void taosCloseDll(void* handle) {}
int taosSetConsoleEcho(bool on) {
#define ECHOFLAGS (ECHO | ECHOE | ECHOK | ECHONL)
int err;
struct termios term;
if (tcgetattr(STDIN_FILENO, &term) == -1) {
perror("Cannot get the attribution of the terminal");
return -1;
}
if (on)
term.c_lflag |= ECHOFLAGS;
else
term.c_lflag &= ~ECHOFLAGS;
err = tcsetattr(STDIN_FILENO, TCSAFLUSH, &term);
if (err == -1 && err == EINTR) {
perror("Cannot set the attribution of the terminal");
return -1;
}
return 0;
}
#else
/*
* linux implementation
*/
#include <dlfcn.h>
#include <termios.h>
#include <unistd.h>
void* taosLoadDll(const char* filename) {
void* handle = dlopen(filename, RTLD_LAZY);
if (!handle) {
//printf("load dll:%s failed, error:%s", filename, dlerror());
return NULL;
}
//printf("dll %s loaded", filename);
return handle;
}
void* taosLoadSym(void* handle, char* name) {
void* sym = dlsym(handle, name);
char* error = NULL;
if ((error = dlerror()) != NULL) {
//printf("load sym:%s failed, error:%s", name, dlerror());
return NULL;
}
//printf("sym %s loaded", name);
return sym;
}
void taosCloseDll(void* handle) {
if (handle) {
dlclose(handle);
}
}
int taosSetConsoleEcho(bool on) {
#define ECHOFLAGS (ECHO | ECHOE | ECHOK | ECHONL)
int err;
struct termios term;
if (tcgetattr(STDIN_FILENO, &term) == -1) {
perror("Cannot get the attribution of the terminal");
return -1;
}
if (on)
term.c_lflag |= ECHOFLAGS;
else
term.c_lflag &= ~ECHOFLAGS;
err = tcsetattr(STDIN_FILENO, TCSAFLUSH, &term);
if (err == -1 || err == EINTR) {
//printf("Cannot set the attribution of the terminal");
return -1;
}
return 0;
}
#endif