1 files changed, 10 insertions, 0 deletions
diff --git a/src/linux/v9fs.zig b/src/linux/v9fs.zig
index 4e18660d..5e031bfe 100644
--- a/src/linux/v9fs.zig
+++ b/src/linux/v9fs.zig
@@ -118,6 +118,16 @@ fn launch(arena: std.mem.Allocator, args: []const [:0]const u8) !u8 {
     const pid = fork();
     if (pid < 0) return error.ForkFailed;
     if (pid == 0) {
+        // host_io's resetChildSignals, here in its own module: every signal
+        // back to its default and none blocked before the exec.
+        const default: std.posix.Sigaction = .{ .handler = .{ .handler = std.posix.SIG.DFL }, .mask = std.posix.sigemptyset(), .flags = 0 };
+        var sig: u8 = 1;
+        while (sig < 65) : (sig += 1) {
+            if (sig == @intFromEnum(std.posix.SIG.KILL) or sig == @intFromEnum(std.posix.SIG.STOP)) continue;
+            _ = std.c.sigaction(@enumFromInt(sig), &default, null);
+        }
+        const none = std.posix.sigemptyset();
+        std.posix.sigprocmask(std.posix.SIG.SETMASK, &none, null);
         _ = execvp("sudo", argv.ptr);
         _exit(127);
     }