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If a large number of signals is sent, it is possible to fill the buffer for sigusr_fds[1] before the main loop has a chance to read from it; then the signal handler do_sigusr() will block on write.
swaylock
swaylock is a screen locking utility for Wayland compositors. It is compatible with any Wayland compositor which implements the ext-session-lock-v1 Wayland protocol.
See the man page, swaylock(1), for instructions on using swaylock.
Release Signatures
Releases are signed with E88F5E48 and published on GitHub. swaylock releases are managed independently of sway releases.
Installation
From Packages
Swaylock is available in many distributions. Try installing the "swaylock" package for yours.
Compiling from Source
Install dependencies:
- meson *
- wayland
- wayland-protocols *
- libxkbcommon
- cairo
- gdk-pixbuf2 **
- pam (optional)
- scdoc (optional: man pages) *
- git *
* Compile-time dep
** Optional: required for background images other than PNG
Run these commands:
meson build
ninja -C build
sudo ninja -C build install
On systems without PAM, you need to suid the swaylock binary:
sudo chmod a+s /usr/local/bin/swaylock
Swaylock will drop root permissions shortly after startup.