diff options
Diffstat (limited to 'zwgc/main.c')
-rw-r--r-- | zwgc/main.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/zwgc/main.c b/zwgc/main.c index 83413da..52b9e7a 100644 --- a/zwgc/main.c +++ b/zwgc/main.c @@ -461,6 +461,12 @@ static RETSIGTYPE signal_child() errno = old_errno; } +/* rewrite the wgfile in case it has gone away */ +static RETSIGTYPE signal_usr1() +{ + write_wgfile(); +} + static void setup_signals(dofork) int dofork; { @@ -493,6 +499,9 @@ static void setup_signals(dofork) sa.sa_handler = signal_child; sigaction(SIGCHLD, &sa, (struct sigaction *)0); + sa.sa_handler = signal_usr1; + sigaction(SIGUSR1, &sa, (struct sigaction *)0); + #else /* !POSIX */ if (dofork) { /* Ignore keyboard signals if forking. Bad things will happen. */ @@ -510,6 +519,7 @@ static void setup_signals(dofork) signal(SIGHUP, signal_exit); signal(SIGCHLD, signal_child); signal(SIGPIPE, SIG_IGN); /* so that Xlib gets an error */ + signal(SIGUSR1, signal_usr1); #endif } |