d8706af2ea
(Fixes #358.) Subprocesses created for custom module scripts were previously left running when the parent Waybar process exited. This patch sets the parent-death signal of child processes (PR_SET_PDEATHSIG on Linux, PROC_PDEATHSIG_CTL on FreeBSD) to SIGTERM. Caveats: * This uses Linux-specific or FreeBSD-specific calls. I don’t know if this project targets other systems? * There is a possibility that Waybar exits after calling `fork()`, but before calling `prctl` to set the parent-death signal. In this case, the child will not receive the SIGTERM signal and will continue to run. I did not handle this case as I consider it quite unlikely, since module scripts are usually launched only when Waybar starts. Please let me know if you think it needs to be handled. Testing: * With `htop` open, run Waybar v0.9.5 with a custom module that has an `exec` script. Terminate the Waybar process and notice that the script’s subprocess stays alive and is now a child of the init process. * Run Waybar with this patch and follow the same steps as above. Notice that this time the script’s subprocess terminates when the parent exits. |
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README.md
Waybar 
Highly customizable Wayland bar for Sway and Wlroots based compositors.
Available in Arch community or AUR, openSUSE, and Alpine Linux
Waybar examples
Current features
- Sway (Workspaces, Binding mode, Focused window name)
- Tray #21
- Local time
- Battery
- Network
- Bluetooth
- Pulseaudio
- Disk
- Memory
- Cpu load average
- Temperature
- MPD
- Custom scripts
- Multiple output configuration
- And much more customizations
Configuration and Styling
See the wiki for more details.
Installation
Waybar is available from a number of Linux distributions:
An Ubuntu PPA with more recent versions is available here.
Building from source
$ git clone https://github.com/Alexays/Waybar
$ cd Waybar
$ meson build
$ ninja -C build
$ ./build/waybar
# If you want to install it
$ ninja -C build install
$ waybar
Dependencies
gtkmm3
jsoncpp
libsigc++
fmt
wayland
chrono-date
spdlog
libgtk-3-dev [gtk-layer-shell]
gobject-introspection [gtk-layer-shell]
libgirepository1.0-dev [gtk-layer-shell]
libpulse [Pulseaudio module]
libnl [Network module]
libappindicator-gtk3 [Tray module]
libdbusmenu-gtk3 [Tray module]
libmpdclient [MPD module]
libsndio [sndio module]
Build dependencies
cmake
meson
scdoc
wayland-protocols
On Ubuntu you can install all the relevant dependencies using this command (tested with 19.10 and 20.04):
sudo apt install \
clang-tidy \
gobject-introspection \
libdbusmenu-gtk3-dev \
libfmt-dev \
libgirepository1.0-dev \
libgtk-3-dev \
libgtkmm-3.0-dev \
libinput-dev \
libjsoncpp-dev \
libmpdclient-dev \
libnl-3-dev \
libnl-genl-3-dev \
libpulse-dev \
libsigc++-2.0-dev \
libspdlog-dev \
libwayland-dev \
scdoc
Contributions welcome! - have fun :)
The style guidelines is Google's
License
Waybar is licensed under the MIT license. See LICENSE for more information.