Handle SIGUSR1 for forced refreshes At some point one might want to force a refresh for example after checking email or changing the volume. Sending a SIGUSR1 achieves this now
Mart Lubbers mart@martlubbers.net
Thu, 18 Jun 2020 08:46:12 +0200
1 files changed,
5 insertions(+),
4 deletions(-)
jump to
M
slstatus.c
→
slstatus.c
@@ -18,7 +18,7 @@ const char *args;
}; char buf[1024]; -static int done; +static volatile sig_atomic_t done; static Display *dpy; #include "config.h"@@ -26,9 +26,8 @@
static void terminate(const int signo) { - (void)signo; - - done = 1; + if (signo != SIGUSR1) + done = 1; } static void@@ -72,6 +71,8 @@ memset(&act, 0, sizeof(act));
act.sa_handler = terminate; sigaction(SIGINT, &act, NULL); sigaction(SIGTERM, &act, NULL); + act.sa_flags |= SA_RESTART; + sigaction(SIGUSR1, &act, NULL); if (!sflag && !(dpy = XOpenDisplay(NULL))) { die("XOpenDisplay: Failed to open display");