@@ -10,8 +10,9 @@
  * whether or not they're for the correct
  * platform - only the ones actually called
  * by the generated code will be linked */
 #include <posix.h>
+#include <error_table.h>
 
 kiocond kiosend(kiochan target, ksraw string, sz* len) {
 	if (target.out.kind == kiostream_closed) return kiocond_fail_closed_stream;
 
@@ -25,9 +26,22 @@
 		struct k_platform_syscall_answer a = k_platform_syscall
 			(k_platform_syscall_write,3,args);
 
 		sz size = a.ret;
-		if (size == -1) return kiocond_fail; //TODO: retrieve errno and offer more specific errors
+		if (size == -1) switch(a.error) {
+			case k_platform_error_EPERM:  return kiocond_fail_forbidden;
+			case k_platform_error_EINVAL: return kiocond_fail_invalid;
+			case k_platform_error_EBADF:  return kiocond_fail_invalid;
+			case k_platform_error_EFAULT: return kiocond_fail_pfault;
+			case k_platform_error_ENOSPC: return kiocond_fail_no_space;
+			case k_platform_error_EDQUOT: return kiocond_fail_over_quota;
+			case k_platform_error_EIO:    return kiocond_fail_io;
+			case k_platform_error_EAGAIN: return kiocond_poll;
+			case k_platform_error_EFBIG:  return kiocond_fail_too_big;
+			case k_platform_error_EINTR:  return kiocond_interrupt;
+			case k_platform_error_EDESTADDRREQ: return kiocond_fail_no_peer;
+			default: return kiocond_fail;
+		}
 #	else
 #		if KVos == win
 #			error windows IO send function not yet defined
 #		else