Open FIFO every 0.1 sec, add 'update'

libs/fifo.c

@@ -27,6 +27,9 @@ void execute_fifo_cmd(void) {
         drawmenu();
     } else if (!strcmp(fifot, "match")) {
         match();
+    } else if (!strcmp(fifot, "update")) {
+        match();
+        drawmenu();
     } else if (!strcmp(fifot, "test")) {
         fprintf(stderr, "Test print\n");
     } else if (!strcmp(fifot, "die")) {
@@ -47,7 +50,7 @@ void execute_fifo_cmd(void) {
 
 void *fifocmd(void *n) {
     for (;;) {
-        sleep(1);
+        msleep(0.1);
 
         if (done) {
             execute_fifo_cmd();

libs/main.c

@@ -1,5 +1,8 @@
 /* See LICENSE file for copyright and license details. */
 
+#include <errno.h>
+#include <time.h>
+
 #ifndef MAX
 #define MAX(A, B)               ((A) > (B) ? (A) : (B))
 #endif
@@ -85,3 +88,22 @@ void *ecalloc(size_t nmemb, size_t size) {
         die("calloc:");
     return p;
 }
+
+int msleep(long sec) {
+    struct timespec ts;
+    int ret;
+
+    if (sec < 0) {
+        errno = EINVAL;
+        return -1;
+    }
+
+    ts.tv_sec = sec / 1000;
+    ts.tv_nsec = (sec % 1000) * 1000000;
+
+    do {
+        ret = nanosleep(&ts, &ts);
+    } while (ret && errno == EINTR);
+
+    return ret;
+}