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From 949f263f90b97dadae23ad205c4c5a3671ecb3aa Mon Sep 17 00:00:00 2001
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From: Hitoshi Mitake <h.mitake@gmail.com>
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Date: Sat, 15 Sep 2012 01:15:41 +0900
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Subject: [PATCH] curses: don't initialize curses when qemu is daemonized
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Current qemu initializes curses even if -daemonize option is
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passed. This cause problem because shell prompt appears without
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calling endwin().
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This patch adds new function, is_daemonized(), to OS dependent
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code. With this function, curses_display_init() can check that qemu is
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daemonized or not. If daemonized, curses_display_init() isn't called
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and the problem is avoided.
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Of course, -daemonize && -curses doesn't make sense. Users shouldn't
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pass the arguments at the same time. But the problem is very painful
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because Ctrl-C cannot be delivered to the terminal.
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Cc: Andrzej Zaborowski <balrog@zabor.org>
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Cc: Stefan Hajnoczi <stefanha@gmail.com>
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Cc: Anthony Liguori <aliguori@us.ibm.com>
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Cc: Michael Roth <mdroth@linux.vnet.ibm.com>
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Signed-off-by: Hitoshi Mitake <h.mitake@gmail.com>
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Signed-off-by: Stefan Hajnoczi <stefanha@gmail.com>
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(cherry picked from commit 995ee2bf469de6bbe5ce133ec853392b2a4ce34c)
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Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
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---
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os-posix.c | 5 +++++
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qemu-os-posix.h | 2 ++
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qemu-os-win32.h | 5 +++++
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vl.c | 4 +++-
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4 files changed, 15 insertions(+), 1 deletion(-)
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diff --git a/os-posix.c b/os-posix.c
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index 79fa228..eabccb8 100644
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--- a/os-posix.c
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+++ b/os-posix.c
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@@ -360,3 +360,8 @@ int qemu_create_pidfile(const char *filename)
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/* keep pidfile open & locked forever */
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return 0;
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}
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+
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+bool is_daemonized(void)
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+{
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+ return daemonize;
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+}
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diff --git a/qemu-os-posix.h b/qemu-os-posix.h
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index 8e1149d..7f198e4 100644
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--- a/qemu-os-posix.h
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+++ b/qemu-os-posix.h
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@@ -46,4 +46,6 @@ typedef struct timeval qemu_timeval;
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typedef struct timespec qemu_timespec;
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int qemu_utimens(const char *path, const qemu_timespec *times);
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+bool is_daemonized(void);
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+
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#endif
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diff --git a/qemu-os-win32.h b/qemu-os-win32.h
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index 753679b..b3e451b 100644
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--- a/qemu-os-win32.h
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+++ b/qemu-os-win32.h
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@@ -86,4 +86,9 @@ typedef struct {
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} qemu_timeval;
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int qemu_gettimeofday(qemu_timeval *tp);
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+static inline bool is_daemonized(void)
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+{
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+ return false;
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+}
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+
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#endif
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diff --git a/vl.c b/vl.c
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index c681c33..49d7a52 100644
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--- a/vl.c
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+++ b/vl.c
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@@ -3692,7 +3692,9 @@ int main(int argc, char **argv, char **envp)
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break;
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#if defined(CONFIG_CURSES)
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case DT_CURSES:
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- curses_display_init(ds, full_screen);
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+ if (!is_daemonized()) {
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+ curses_display_init(ds, full_screen);
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+ }
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break;
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#endif
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#if defined(CONFIG_SDL)
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--
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1.7.12.1
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