Which major OS / platforms implement wait morphing? This question came up when I noticed that there’s no clearcut best practice about whether one should signal a condition variable with mutex locked or not. A typical recommendation is to signal while holding the lock unless profiling shows a substantial performance improvement overhead from unlocking (by removing an extra context switch).
Tag: window
PuTTY: Linux window – How to update the window title during a function?
I’m accessing a Linux machine from a Windows 10 PC via PuTTY. I’ve set the PuTTY (Bash) window title to ‘$PWD’ by setting $PS1 as below: This works well – whenever I change the directory in the shell, the title updates straight away: However, if I change directory in a function (as below) the title doesn’t update until after the
Join Windows 7 to SAMBA+LDAP PDC
In my smb.cfg I have follow command for adding machine user to my PDC server: When I want to join new Win7 machine to my PDC with root user (this is default configuration) I got follow message: I tried adding follows, but without success (same error message) Note: If I run command manually: /usr/sbin/useradd -c Machine -d /var/lib/nobody -s /bin/false
Effect on other window drive while install ubuntu on windows 7?
I want to install Ubuntu alongside with my window 7. Currently i have 6 partition with window 7 as C:, D:, E:, F:, G: and H:. My window file reside in C: drive. What will be the effect on other drives if i install Ubuntu alongside with window install? What will be the effect on data contained in other drives?
Keep previous information when running an executable from command lines
In Windows when I run an executalbe from command line, for example, abc.exe -i abc.bmp >output.txt, all the output of the program will be put in the text file. However, all the previous contents in the text file will also be destroyed. So if I run the following commands sequentially, Only the information when running the second file will be
Programmatically hide/show a window in Linux
I’ve been searching all over the place for a solution to this. How can I show/hide (or minimize/unminimize if you rather) Linux windows. I’m interested in any solution in any language. I use Debian, Gnome, Metacity and Compton composite manager if they’re relevant Note: I tried using wmctrl but the toggle,hidden feature of wmctrl has been broken for a while
How to move or resize X11 windows (even if they are maximized)?
I want to change position of a window. My problem is that the window can be maximized, this does not allow to change its size and location (window can belong to any application). I use KDE4. I tried to use ewmh Python module. In my case when the window is maximized I just want to move it from one monitor