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Handle SIGUSR1 for forced refreshes - slstatus - status monitor |
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git clone git://git.suckless.org/slstatus |
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--- |
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commit d1b23e5509863fd0790261b2b388e687d5218d53 |
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parent 3fc2872d1b3e62903a4af49326d42c97c11911d5 |
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Author: Mart Lubbers <[email protected]> |
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Date: Thu, 18 Jun 2020 08:46:12 +0200 |
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Handle SIGUSR1 for forced refreshes |
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At some point one might want to force a refresh for example after |
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checking email or changing the volume. Sending a SIGUSR1 achieves this |
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now |
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Diffstat: |
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M slstatus.c | 9 +++++---- |
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1 file changed, 5 insertions(+), 4 deletions(-) |
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--- |
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diff --git a/slstatus.c b/slstatus.c |
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@@ -18,7 +18,7 @@ struct arg { |
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}; |
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char buf[1024]; |
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-static int done; |
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+static volatile sig_atomic_t done; |
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static Display *dpy; |
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#include "config.h" |
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@@ -26,9 +26,8 @@ static Display *dpy; |
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static void |
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terminate(const int signo) |
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{ |
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- (void)signo; |
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- |
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- done = 1; |
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+ if (signo != SIGUSR1) |
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+ done = 1; |
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} |
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static void |
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@@ -72,6 +71,8 @@ main(int argc, char *argv[]) |
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act.sa_handler = terminate; |
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sigaction(SIGINT, &act, NULL); |
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sigaction(SIGTERM, &act, NULL); |
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+ act.sa_flags |= SA_RESTART; |
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+ sigaction(SIGUSR1, &act, NULL); |
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if (!sflag && !(dpy = XOpenDisplay(NULL))) { |
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die("XOpenDisplay: Failed to open display"); |
