Make pipes blocking

2026-06-19 21:49:18 +03:00
parent 415f78fd40
commit 325dc6339a
6 changed files with 53 additions and 45 deletions
@@ -1,5 +1,6 @@
 #include "src/kernel/keyboard.h"
 #include "src/kernel/idt.h"
+#include "src/kernel/process.h"
 #include "src/kernel/stream.h"
 #include "src/kernel/util.h"
 #include "src/lib/memory.h"
@@ -56,8 +57,10 @@ static uint64_t stream_write(__attribute__((unused)) const stream_t *self, __att
 }

 static uint64_t stream_read(__attribute__((unused)) const stream_t *self, uint64_t max, char *to) {
-  if (max == 0 || buffer_length == 0) {
-    return 0;
+  while (!buffer_length) {
+    __asm__ volatile("sti");
+    process_next();
+    __asm__ volatile("cli");
  }

  uint64_t size = buffer_length > max ? max : buffer_length;