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qemu-char: introduce qemu_chr_alloc

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The next patch will modify this function to initialize state that is
common to all backends.

Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
This commit is contained in:
Paolo Bonzini 2014-06-18 08:43:55 +02:00 committed by Luiz Capitulino
parent 751751732c
commit db39fcf1f6
6 changed files with 32 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
backends/baum.c
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@ -574,7 +574,7 @@ CharDriverState *chr_baum_init(void)
int tty;
baum = g_malloc0(sizeof(BaumDriverState));
baum->chr = chr = g_malloc0(sizeof(CharDriverState));
baum->chr = chr = qemu_chr_alloc();
chr->opaque = baum;
chr->chr_write = baum_write;

2
backends/msmouse.c
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@ -67,7 +67,7 @@ CharDriverState *qemu_chr_open_msmouse(void)
{
CharDriverState *chr;
chr = g_malloc0(sizeof(CharDriverState));
chr = qemu_chr_alloc();
chr->chr_write = msmouse_chr_write;
chr->chr_close = msmouse_chr_close;
chr->explicit_be_open = true;

9
include/sysemu/char.h
View File

@ -88,6 +88,15 @@ struct CharDriverState {
QTAILQ_ENTRY(CharDriverState) next;
};
/**
* @qemu_chr_alloc:
*
* Allocate and initialize a new CharDriverState.
*
* Returns: a newly allocated CharDriverState.
*/
CharDriverState *qemu_chr_alloc(void);
/**
* @qemu_chr_new_from_opts:
*

32
qemu-char.c
View File

@ -91,6 +91,12 @@
static QTAILQ_HEAD(CharDriverStateHead, CharDriverState) chardevs =
QTAILQ_HEAD_INITIALIZER(chardevs);
CharDriverState *qemu_chr_alloc(void)
{
CharDriverState *chr = g_malloc0(sizeof(CharDriverState));
return chr;
}
void qemu_chr_be_event(CharDriverState *s, int event)
{
/* Keep track if the char device is open */
@ -282,7 +288,7 @@ static CharDriverState *qemu_chr_open_null(void)
{
CharDriverState *chr;
chr = g_malloc0(sizeof(CharDriverState));
chr = qemu_chr_alloc();
chr->chr_write = null_chr_write;
chr->explicit_be_open = true;
return chr;
@ -570,7 +576,7 @@ static CharDriverState *qemu_chr_open_mux(CharDriverState *drv)
CharDriverState *chr;
MuxDriver *d;
chr = g_malloc0(sizeof(CharDriverState));
chr = qemu_chr_alloc();
d = g_malloc0(sizeof(MuxDriver));
chr->opaque = d;
@ -945,7 +951,7 @@ static CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out)
CharDriverState *chr;
FDCharDriver *s;
chr = g_malloc0(sizeof(CharDriverState));
chr = qemu_chr_alloc();
s = g_malloc0(sizeof(FDCharDriver));
s->fd_in = io_channel_from_fd(fd_in);
s->fd_out = io_channel_from_fd(fd_out);
@ -1222,7 +1228,7 @@ static CharDriverState *qemu_chr_open_pty(const char *id,
close(slave_fd);
chr = g_malloc0(sizeof(CharDriverState));
chr = qemu_chr_alloc();
chr->filename = g_strdup_printf("pty:%s", pty_name);
ret->pty = g_strdup(pty_name);
@ -1584,7 +1590,7 @@ static CharDriverState *qemu_chr_open_pp_fd(int fd)
drv->fd = fd;
drv->mode = IEEE1284_MODE_COMPAT;
chr = g_malloc0(sizeof(CharDriverState));
chr = qemu_chr_alloc();
chr->chr_write = null_chr_write;
chr->chr_ioctl = pp_ioctl;
chr->chr_close = pp_close;
@ -1639,7 +1645,7 @@ static CharDriverState *qemu_chr_open_pp_fd(int fd)
{
CharDriverState *chr;
chr = g_malloc0(sizeof(CharDriverState));
chr = qemu_chr_alloc();
chr->opaque = (void *)(intptr_t)fd;
chr->chr_write = null_chr_write;
chr->chr_ioctl = pp_ioctl;
@ -1863,7 +1869,7 @@ static CharDriverState *qemu_chr_open_win_path(const char *filename)
CharDriverState *chr;
WinCharState *s;
chr = g_malloc0(sizeof(CharDriverState));
chr = qemu_chr_alloc();
s = g_malloc0(sizeof(WinCharState));
chr->opaque = s;
chr->chr_write = win_chr_write;
@ -1962,7 +1968,7 @@ static CharDriverState *qemu_chr_open_pipe(ChardevHostdev *opts)
CharDriverState *chr;
WinCharState *s;
chr = g_malloc0(sizeof(CharDriverState));
chr = qemu_chr_alloc();
s = g_malloc0(sizeof(WinCharState));
chr->opaque = s;
chr->chr_write = win_chr_write;
@ -1981,7 +1987,7 @@ static CharDriverState *qemu_chr_open_win_file(HANDLE fd_out)
CharDriverState *chr;
WinCharState *s;
chr = g_malloc0(sizeof(CharDriverState));
chr = qemu_chr_alloc();
s = g_malloc0(sizeof(WinCharState));
s->hcom = fd_out;
chr->opaque = s;
@ -2137,7 +2143,7 @@ static CharDriverState *qemu_chr_open_stdio(ChardevStdio *opts)
DWORD dwMode;
int is_console = 0;
chr = g_malloc0(sizeof(CharDriverState));
chr = qemu_chr_alloc();
stdio = g_malloc0(sizeof(WinStdioCharState));
stdio->hStdIn = GetStdHandle(STD_INPUT_HANDLE);
@ -2299,7 +2305,7 @@ static CharDriverState *qemu_chr_open_udp_fd(int fd)
CharDriverState *chr = NULL;
NetCharDriver *s = NULL;
chr = g_malloc0(sizeof(CharDriverState));
chr = qemu_chr_alloc();
s = g_malloc0(sizeof(NetCharDriver));
s->fd = fd;
@ -2850,7 +2856,7 @@ static CharDriverState *qemu_chr_open_socket_fd(int fd, bool do_nodelay,
return NULL;
}
chr = g_malloc0(sizeof(CharDriverState));
chr = qemu_chr_alloc();
s = g_malloc0(sizeof(TCPCharDriver));
s->connected = 0;
@ -3040,7 +3046,7 @@ static CharDriverState *qemu_chr_open_ringbuf(ChardevRingbuf *opts,
CharDriverState *chr;
RingBufCharDriver *d;
chr = g_malloc0(sizeof(CharDriverState));
chr = qemu_chr_alloc();
d = g_malloc(sizeof(*d));
d->size = opts->has_size ? opts->size : 65536;

2
spice-qemu-char.c
View File

@ -268,7 +268,7 @@ static CharDriverState *chr_open(const char *subtype,
CharDriverState *chr;
SpiceCharDriver *s;
chr = g_malloc0(sizeof(CharDriverState));
chr = qemu_chr_alloc();
s = g_malloc0(sizeof(SpiceCharDriver));
s->chr = chr;
s->active = false;

2
ui/console.c
View File

@ -1821,7 +1821,7 @@ static CharDriverState *text_console_init(ChardevVC *vc)
unsigned width = 0;
unsigned height = 0;
chr = g_malloc0(sizeof(CharDriverState));
chr = qemu_chr_alloc();
if (vc->has_width) {
width = vc->width;