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# Date Author Comment
10f5bff6 02/20/2014 02:12 pm Fam Zheng

util: Split out exec_dir from os_find_datadir

With this change, main() calls qemu_init_exec_dir and uses argv0 to
init exec_dir. The saved value can be retrieved with
qemu_get_exec_dir later. It will be reused by module loading.

Signed-off-by: Fam Zheng <>...
13401ba0 01/22/2014 01:07 pm Stefan Hajnoczi

osdep: add qemu_set_tty_echo()

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 <>
Signed-off-by: Kevin Wolf <>
606600a1 10/02/2013 08:20 pm Sebastian Ottlik

util: add socket_set_fast_reuse function which will replace setting SO_REUSEADDR

If a socket is closed it remains in TIME_WAIT state for some time. On operating
systems using BSD sockets the endpoint of the socket may not be reused while in
this state unless SO_REUSEADDR was set on the socket. On windows on the other...
39228250 09/12/2013 07:45 pm Markus Armbruster

exec: Don't abort when we can't allocate guest memory

We abort() on memory allocation failure. abort() is appropriate for
programming errors. Maybe most memory allocation failures are
programming errors, maybe not. But guest memory allocation failure
isn't, and aborting when the user asks for more memory than we can...
e2ea3515 05/30/2013 07:37 pm Laszlo Ersek

osdep: add qemu_get_local_state_pathname()

This function returns ${prefix}/var/RELATIVE_PATHNAME on POSIX-y systems,
and <CSIDL_COMMON_APPDATA>/RELATIVE_PATHNAME on Win32.

http://msdn.microsoft.com/en-us/library/bb762494.aspx

[...] This folder is used for application data that is not user...
6eebf958 05/14/2013 04:53 pm Paolo Bonzini

osdep, kvm: rename low-level RAM allocation functions

This is preparatory to the introduction of a separate freeing API.

Reported-by: Amos Kong <>
Signed-off-by: Paolo Bonzini <>
Reviewed-by: Amos Kong <>...
e7a09b92 05/14/2013 04:53 pm Paolo Bonzini

osdep: introduce qemu_anon_ram_free to free qemu_anon_ram_alloc-ed memory

We switched from qemu_memalign to mmap() but then we don't modify
qemu_vfree() to do a munmap() over free(). Which we cannot do
because qemu_vfree() frees memory allocated by qemu_{mem,block}align....
f9e8cacc 04/02/2013 06:47 pm Stefan Hajnoczi

oslib-posix: rename socket_set_nonblock() to qemu_set_nonblock()

The fcntl(fd, F_SETFL, O_NONBLOCK) flag is not specific to sockets.
Rename to qemu_set_nonblock() just like qemu_set_cloexec().

Signed-off-by: Stefan Hajnoczi <>
Reviewed-by: Eric Blake <>...
94c8ff3a 01/15/2013 05:46 pm Markus Armbruster

w32: Make qemu_vfree() accept NULL like the POSIX implementation

On POSIX, qemu_vfree() accepts NULL, because it's merely wrapper
around free(). As far as I can tell, the Windows implementation
doesn't. Breeds bugs that bite only under Windows.

Make the Windows implementation behave like the POSIX implementation....
baacf047 01/12/2013 07:42 pm Paolo Bonzini

build: move libqemuutil.a components to util/

Signed-off-by: Paolo Bonzini <>