X-Git-Url: https://git.danieliu.xyz/?a=blobdiff_plain;f=dwmblocks.c;h=8668f042d77bea8510570564fe82f78de5bc5463;hb=8893f2d08aed826532fbb7a7b63e20c5bd938563;hp=88bdfb0b08f23616f70b6e2b08c643824eeea3a3;hpb=fefab14beea22fa83ddee6b4d196ead0c9a34a28;p=dwmblocks.git

diff --git a/dwmblocks.c b/dwmblocks.c
index 88bdfb0..8668f04 100644
--- a/dwmblocks.c
+++ b/dwmblocks.c
@@ -13,8 +13,8 @@ typedef struct {
 	unsigned int interval;
 	unsigned int signal;
 } Block;
+void dummysighandler(int num);
 void sighandler(int num);
-void replace(char *str, char old, char new);
 void getcmds(int time);
 #ifndef __OpenBSD__
 void getsigcmds(int signal);
@@ -37,14 +37,6 @@ static char statusstr[2][256];
 static int statusContinue = 1;
 static void (*writestatus) () = setroot;
 
-void replace(char *str, char old, char new)
-{
-	int N = strlen(str);
-	for(int i = 0; i < N; i++)
-		if(str[i] == old)
-			str[i] = new;
-}
-
 //opens process *cmd and stores output in *output
 void getcmd(const Block *block, char *output)
 {
@@ -67,7 +59,7 @@ void getcmds(int time)
 {
 	const Block* current;
 	for(int i = 0; i < LENGTH(blocks); i++)
-	{	
+	{
 		current = blocks + i;
 		if ((current->interval != 0 && time % current->interval == 0) || time == -1)
 			getcmd(current,statusbar[i]);
@@ -88,8 +80,12 @@ void getsigcmds(int signal)
 
 void setupsignals()
 {
+    /* initialize all real time signals with dummy handler */
+    for(int i = SIGRTMIN; i <= SIGRTMAX; i++)
+        signal(i, dummysighandler);
+
 	for(int i = 0; i < LENGTH(blocks); i++)
-	{	  
+	{
 		if (blocks[i].signal > 0)
 			signal(SIGRTMIN+blocks[i].signal, sighandler);
 	}
@@ -146,6 +142,14 @@ void statusloop()
 	}
 }
 
+#ifndef __OpenBSD__
+/* this signal handler should do nothing */
+void dummysighandler(int signum)
+{
+    return;
+}
+#endif
+
 #ifndef __OpenBSD__
 void sighandler(int signum)
 {
@@ -163,7 +167,7 @@ void termhandler(int signum)
 int main(int argc, char** argv)
 {
 	for(int i = 0; i < argc; i++)
-	{	
+	{
 		if (!strcmp("-d",argv[i]))
 			delim = argv[++i][0];
 		else if(!strcmp("-p",argv[i]))