libc_noux: try read again on EAGAIN/EINTR

Issue #3541.
2025-04-22 10:02:33 +00:00 · 2019-10-14 17:15:53 +02:00 · 2019-10-14 17:15:53 +02:00 · c79ebc93a2
commit c79ebc93a2
parent 55ab694d79
1 changed files with 8 additions and 0 deletions
--- a/repos/ports/src/lib/libc_noux/plugin.cc
+++ b/repos/ports/src/lib/libc_noux/plugin.cc
@ -1366,6 +1366,14 @@ namespace {
 						errno = 0;
 					break;
 				}
+
+				/* try again */
+				bool const retry = (errno == EINTR
+				                 || errno == EAGAIN
+				                 || errno == EWOULDBLOCK);
+				if (errno && retry)
+					continue;
+
 				return -1;
 			}