Adding dwmblocks patch

patch/dwmblocks.c

@@ -0,0 +1,31 @@
+static int dwmblockssig;
+pid_t dwmblockspid = 0;
+
+int
+getdwmblockspid()
+{
+	char buf[16];
+	FILE *fp = popen("pidof -s dwmblocks", "r");
+	if (fgets(buf, sizeof(buf), fp));
+	pid_t pid = strtoul(buf, NULL, 10);
+	pclose(fp);
+	dwmblockspid = pid;
+	return pid != 0 ? 0 : -1;
+}
+
+void
+sigdwmblocks(const Arg *arg)
+{
+	union sigval sv;
+	sv.sival_int = (dwmblockssig << 8) | arg->i;
+	if (!dwmblockspid)
+		if (getdwmblockspid() == -1)
+			return;
+
+	if (sigqueue(dwmblockspid, SIGUSR1, sv) == -1) {
+		if (errno == ESRCH) {
+			if (!getdwmblockspid())
+				sigqueue(dwmblockspid, SIGUSR1, sv);
+		}
+	}
+}

patch/dwmblocks.h

@@ -0,0 +1,2 @@
+static int getdwmblockspid();
+static void sigdwmblocks(const Arg *arg);

patch/include.c

@@ -29,6 +29,9 @@
 #if DRAGCFACT_PATCH && CFACTS_PATCH
 #include "dragcfact.c"
 #endif
+#if DWMBLOCKS_PATCH && STATUSCMD_PATCH
+#include "dwmblocks.c"
+#endif
 #if DWMC_PATCH
 #include "dwmc.c"
 #elif FSIGNAL_PATCH

patch/include.h

@@ -32,6 +32,9 @@
 #if DRAGMFACT_PATCH
 #include "dragmfact.h"
 #endif
+#if DWMBLOCKS_PATCH && STATUSCMD_PATCH
+#include "dwmblocks.h"
+#endif
 #if DWMC_PATCH
 #include "dwmc.h"
 #elif FSIGNAL_PATCH