diff options
| -rw-r--r-- | tools/testing/selftests/coredump/coredump_test_helpers.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/tools/testing/selftests/coredump/coredump_test_helpers.c b/tools/testing/selftests/coredump/coredump_test_helpers.c index 7512a8ef73d3..116c797090a1 100644 --- a/tools/testing/selftests/coredump/coredump_test_helpers.c +++ b/tools/testing/selftests/coredump/coredump_test_helpers.c @@ -291,6 +291,14 @@ void process_coredump_worker(int fd_coredump, int fd_peer_pidfd, int fd_core_fil int epfd = -1; int exit_code = EXIT_FAILURE; struct epoll_event ev; + int flags; + + /* Set socket to non-blocking mode for edge-triggered epoll */ + flags = fcntl(fd_coredump, F_GETFL, 0); + if (flags < 0) + goto out; + if (fcntl(fd_coredump, F_SETFL, flags | O_NONBLOCK) < 0) + goto out; epfd = epoll_create1(0); if (epfd < 0) |