Adding cool autostart patch

patch/cool_autostart.c

@@ -0,0 +1,28 @@
+/* dwm will keep pid's of processes from autostart array and kill them at quit */
+static pid_t *autostart_pids;
+static size_t autostart_len;
+
+/* execute command from autostart array */
+static void
+autostart_exec()
+{
+	const char *const *p;
+	size_t i = 0;
+
+	/* count entries */
+	for (p = autostart; *p; autostart_len++, p++)
+		while (*++p);
+
+	autostart_pids = malloc(autostart_len * sizeof(pid_t));
+	for (p = autostart; *p; i++, p++) {
+		if ((autostart_pids[i] = fork()) == 0) {
+			setsid();
+			execvp(*p, (char *const *)p);
+			fprintf(stderr, "dwm: execvp %s\n", *p);
+			perror(" failed");
+			_exit(EXIT_FAILURE);
+		}
+		/* skip arguments */
+		while (*++p);
+	}
+}

patch/cool_autostart.h

@@ -0,0 +1 @@
+static void autostart_exec(void);

patch/include.c

@@ -76,6 +76,9 @@
 #if CMDCUSTOMIZE_PATCH
 #include "cmdcustomize.c"
 #endif
+#if COOL_AUTOSTART_PATCH
+#include "cool_autostart.c"
+#endif
 #if CYCLELAYOUTS_PATCH
 #include "cyclelayouts.c"
 #endif

patch/include.h

@@ -73,6 +73,9 @@
 #if CMDCUSTOMIZE_PATCH
 #include "cmdcustomize.h"
 #endif
+#if COOL_AUTOSTART_PATCH
+#include "cool_autostart.h"
+#endif
 #if CYCLELAYOUTS_PATCH
 #include "cyclelayouts.h"
 #endif