Using stdin with readline.c requires disabling echo and line buffering. Add a portable wrapper to set the terminal attributes under Linux and Windows. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
211 lines
5.5 KiB
C
211 lines
5.5 KiB
C
/*
|
|
* os-win32.c
|
|
*
|
|
* Copyright (c) 2003-2008 Fabrice Bellard
|
|
* Copyright (c) 2010 Red Hat, Inc.
|
|
*
|
|
* QEMU library functions for win32 which are shared between QEMU and
|
|
* the QEMU tools.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*/
|
|
#include <windows.h>
|
|
#include <glib.h>
|
|
#include <stdlib.h>
|
|
#include "config-host.h"
|
|
#include "sysemu/sysemu.h"
|
|
#include "qemu/main-loop.h"
|
|
#include "trace.h"
|
|
#include "qemu/sockets.h"
|
|
|
|
/* this must come after including "trace.h" */
|
|
#include <shlobj.h>
|
|
|
|
void *qemu_oom_check(void *ptr)
|
|
{
|
|
if (ptr == NULL) {
|
|
fprintf(stderr, "Failed to allocate memory: %lu\n", GetLastError());
|
|
abort();
|
|
}
|
|
return ptr;
|
|
}
|
|
|
|
void *qemu_memalign(size_t alignment, size_t size)
|
|
{
|
|
void *ptr;
|
|
|
|
if (!size) {
|
|
abort();
|
|
}
|
|
ptr = qemu_oom_check(VirtualAlloc(NULL, size, MEM_COMMIT, PAGE_READWRITE));
|
|
trace_qemu_memalign(alignment, size, ptr);
|
|
return ptr;
|
|
}
|
|
|
|
void *qemu_anon_ram_alloc(size_t size)
|
|
{
|
|
void *ptr;
|
|
|
|
/* FIXME: this is not exactly optimal solution since VirtualAlloc
|
|
has 64Kb granularity, but at least it guarantees us that the
|
|
memory is page aligned. */
|
|
ptr = VirtualAlloc(NULL, size, MEM_COMMIT, PAGE_READWRITE);
|
|
trace_qemu_anon_ram_alloc(size, ptr);
|
|
return ptr;
|
|
}
|
|
|
|
void qemu_vfree(void *ptr)
|
|
{
|
|
trace_qemu_vfree(ptr);
|
|
if (ptr) {
|
|
VirtualFree(ptr, 0, MEM_RELEASE);
|
|
}
|
|
}
|
|
|
|
void qemu_anon_ram_free(void *ptr, size_t size)
|
|
{
|
|
trace_qemu_anon_ram_free(ptr, size);
|
|
if (ptr) {
|
|
VirtualFree(ptr, 0, MEM_RELEASE);
|
|
}
|
|
}
|
|
|
|
/* FIXME: add proper locking */
|
|
struct tm *gmtime_r(const time_t *timep, struct tm *result)
|
|
{
|
|
struct tm *p = gmtime(timep);
|
|
memset(result, 0, sizeof(*result));
|
|
if (p) {
|
|
*result = *p;
|
|
p = result;
|
|
}
|
|
return p;
|
|
}
|
|
|
|
/* FIXME: add proper locking */
|
|
struct tm *localtime_r(const time_t *timep, struct tm *result)
|
|
{
|
|
struct tm *p = localtime(timep);
|
|
memset(result, 0, sizeof(*result));
|
|
if (p) {
|
|
*result = *p;
|
|
p = result;
|
|
}
|
|
return p;
|
|
}
|
|
|
|
void qemu_set_block(int fd)
|
|
{
|
|
unsigned long opt = 0;
|
|
WSAEventSelect(fd, NULL, 0);
|
|
ioctlsocket(fd, FIONBIO, &opt);
|
|
}
|
|
|
|
void qemu_set_nonblock(int fd)
|
|
{
|
|
unsigned long opt = 1;
|
|
ioctlsocket(fd, FIONBIO, &opt);
|
|
qemu_fd_register(fd);
|
|
}
|
|
|
|
int socket_set_fast_reuse(int fd)
|
|
{
|
|
/* Enabling the reuse of an endpoint that was used by a socket still in
|
|
* TIME_WAIT state is usually performed by setting SO_REUSEADDR. On Windows
|
|
* fast reuse is the default and SO_REUSEADDR does strange things. So we
|
|
* don't have to do anything here. More info can be found at:
|
|
* http://msdn.microsoft.com/en-us/library/windows/desktop/ms740621.aspx */
|
|
return 0;
|
|
}
|
|
|
|
int inet_aton(const char *cp, struct in_addr *ia)
|
|
{
|
|
uint32_t addr = inet_addr(cp);
|
|
if (addr == 0xffffffff) {
|
|
return 0;
|
|
}
|
|
ia->s_addr = addr;
|
|
return 1;
|
|
}
|
|
|
|
void qemu_set_cloexec(int fd)
|
|
{
|
|
}
|
|
|
|
/* Offset between 1/1/1601 and 1/1/1970 in 100 nanosec units */
|
|
#define _W32_FT_OFFSET (116444736000000000ULL)
|
|
|
|
int qemu_gettimeofday(qemu_timeval *tp)
|
|
{
|
|
union {
|
|
unsigned long long ns100; /*time since 1 Jan 1601 in 100ns units */
|
|
FILETIME ft;
|
|
} _now;
|
|
|
|
if(tp) {
|
|
GetSystemTimeAsFileTime (&_now.ft);
|
|
tp->tv_usec=(long)((_now.ns100 / 10ULL) % 1000000ULL );
|
|
tp->tv_sec= (long)((_now.ns100 - _W32_FT_OFFSET) / 10000000ULL);
|
|
}
|
|
/* Always return 0 as per Open Group Base Specifications Issue 6.
|
|
Do not set errno on error. */
|
|
return 0;
|
|
}
|
|
|
|
int qemu_get_thread_id(void)
|
|
{
|
|
return GetCurrentThreadId();
|
|
}
|
|
|
|
char *
|
|
qemu_get_local_state_pathname(const char *relative_pathname)
|
|
{
|
|
HRESULT result;
|
|
char base_path[MAX_PATH+1] = "";
|
|
|
|
result = SHGetFolderPath(NULL, CSIDL_COMMON_APPDATA, NULL,
|
|
/* SHGFP_TYPE_CURRENT */ 0, base_path);
|
|
if (result != S_OK) {
|
|
/* misconfigured environment */
|
|
g_critical("CSIDL_COMMON_APPDATA unavailable: %ld", (long)result);
|
|
abort();
|
|
}
|
|
return g_strdup_printf("%s" G_DIR_SEPARATOR_S "%s", base_path,
|
|
relative_pathname);
|
|
}
|
|
|
|
void qemu_set_tty_echo(int fd, bool echo)
|
|
{
|
|
HANDLE handle = (HANDLE)_get_osfhandle(fd);
|
|
DWORD dwMode = 0;
|
|
|
|
if (handle == INVALID_HANDLE_VALUE) {
|
|
return;
|
|
}
|
|
|
|
GetConsoleMode(handle, &dwMode);
|
|
|
|
if (echo) {
|
|
SetConsoleMode(handle, dwMode | ENABLE_ECHO_INPUT | ENABLE_LINE_INPUT);
|
|
} else {
|
|
SetConsoleMode(handle,
|
|
dwMode & ~(ENABLE_ECHO_INPUT | ENABLE_LINE_INPUT));
|
|
}
|
|
}
|