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curses: don't initialize curses when qemu is daemonized

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Current qemu initializes curses even if -daemonize option is
passed. This cause problem because shell prompt appears without
calling endwin().

This patch adds new function, is_daemonized(), to OS dependent
code. With this function, curses_display_init() can check that qemu is
daemonized or not. If daemonized, curses_display_init() isn't called
and the problem is avoided.

Of course, -daemonize && -curses doesn't make sense. Users shouldn't
pass the arguments at the same time. But the problem is very painful
because Ctrl-C cannot be delivered to the terminal.

Cc: Andrzej Zaborowski  <balrog@zabor.org>
Cc: Stefan Hajnoczi <stefanha@gmail.com>
Cc: Anthony Liguori <aliguori@us.ibm.com>
Cc: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Hitoshi Mitake <h.mitake@gmail.com>
Signed-off-by: Stefan Hajnoczi <stefanha@gmail.com>
This commit is contained in:
Hitoshi Mitake 2012-09-15 01:15:41 +09:00 committed by Stefan Hajnoczi
parent d8f8a860f2
commit 995ee2bf46
4 changed files with 15 additions and 1 deletions
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5
os-posix.c
View File

@ -360,3 +360,8 @@ int qemu_create_pidfile(const char *filename)
/* keep pidfile open & locked forever */
return 0;
}
bool is_daemonized(void)
{
return daemonize;
}

2
qemu-os-posix.h
View File

@ -46,4 +46,6 @@ typedef struct timeval qemu_timeval;
typedef struct timespec qemu_timespec;
int qemu_utimens(const char *path, const qemu_timespec *times);
bool is_daemonized(void);
#endif

5
qemu-os-win32.h
View File

@ -86,4 +86,9 @@ typedef struct {
} qemu_timeval;
int qemu_gettimeofday(qemu_timeval *tp);
static inline bool is_daemonized(void)
{
return false;
}
#endif

4
vl.c
View File

@ -3657,7 +3657,9 @@ int main(int argc, char **argv, char **envp)
break;
#if defined(CONFIG_CURSES)
case DT_CURSES:
curses_display_init(ds, full_screen);
if (!is_daemonized()) {
curses_display_init(ds, full_screen);
}
break;
#endif
#if defined(CONFIG_SDL)