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Diffstat (limited to 'src/selection_pipe.zig')
| -rw-r--r-- | src/selection_pipe.zig | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/selection_pipe.zig b/src/selection_pipe.zig index e1a42962..44cc1709 100644 --- a/src/selection_pipe.zig +++ b/src/selection_pipe.zig @@ -202,6 +202,14 @@ pub fn runOne( if (std.mem.indexOfScalar(u8, command, 0) != null or std.mem.indexOfScalar(u8, cwd, 0) != null) return fail.k(.spawn); + // std's spawn runs no code in the child: this thread's mask, which the + // child inherits, is cleared across the fork (only the tty's SIGWINCH is + // ever blocked, and its default is to be ignored). A handler resets at + // exec by itself, and nothing here is ignored. + const none = std.posix.sigemptyset(); + var kept: std.posix.sigset_t = undefined; + std.posix.sigprocmask(std.posix.SIG.SETMASK, &none, &kept); + defer std.posix.sigprocmask(std.posix.SIG.SETMASK, &kept, null); var child = std.process.spawn(io, .{ .argv = &.{ "/bin/sh", "-c", command }, .cwd = if (cwd.len == 0) .inherit else .{ .path = cwd }, |