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server: send SIGTERM to startup process on exit

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Isaac Freund 2020-07-05 15:44:21 +02:00
parent 9dd18c6373
commit 3752a7879b
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2 changed files with 12 additions and 6 deletions
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9
doc/river.1.scd
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@ -16,9 +16,12 @@ bspwm based on wlroots and written in Zig.
*-c* _shell_command_
Run a shell command or give the path to a script that will be run
before river gets started. This is where you define keymaps using
*riverctl*(1) and autostart programs. Make sure the script is
executable.
after river's wayland server is initialized but before entering the
main loop. You may use this to configure river and define keymaps
using *riverctl*(1), start programs such as a status bar, or perhaps
run a service manager. If the process started by this flag is still
running when river exits, river will send SIGTERM and and wait for it
to terminate.
*-l* _log_level_
Set the log level of river to a value from 0 to 7 with 0 being the

9
river/main.zig
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@ -85,12 +85,15 @@ pub fn main() anyerror!void {
try server.start();
if (startup_command) |cmd| {
const startup_process = if (startup_command) |cmd| blk: {
const child_args = [_][]const u8{ "/bin/sh", "-c", cmd };
const child = try std.ChildProcess.init(&child_args, util.gpa);
defer child.deinit();
try std.ChildProcess.spawn(child);
}
break :blk child;
} else null;
defer if (startup_process) |child| {
_ = child.kill() catch |e| log.err(.server, "failed to terminate startup process: {}", .{e});
};
log.info(.server, "running...", .{});