many things, cosmo build!

2026-10-12 21:12:47 +03:00
parent ba4131abbf
commit 8d2bb5575e
29 changed files with 699 additions and 312 deletions
@@ -6,6 +6,7 @@

 #include "../std.h"
 #include <fcntl.h>
+#include <poll.h>
 #include <stdint.h>
 #include <sys/socket.h>
 #include <sys/un.h>
@@ -44,6 +45,23 @@ inline int32_t com_std_read(com_std_fd fd, void *data, uint32_t upto) {
  return ret;
 }

+inline bool com_std_has_data(com_std_fd fd) {
+  struct pollfd pfd = {
+      .fd = (intptr_t)fd,
+      .events = POLLIN,
+  };
+
+  long ret;
+  __asm__ volatile("int $0x80"
+                   : "=a"(ret)
+                   : "a"(168), "b"(&pfd), "c"(1), "d"(0)
+                   : "memory", "cc");
+  if (ret > 0) {
+    return pfd.revents & POLLIN;
+  } else
+    return false;
+}
+
 inline bool com_std_sfwd(com_std_fd fd, uint32_t bytes) {
  long ret;
  __asm__ volatile("int $0x80"