diff options
Diffstat (limited to 'src/nix-worker')
| -rw-r--r-- | src/nix-worker/nix-worker.cc | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/src/nix-worker/nix-worker.cc b/src/nix-worker/nix-worker.cc index b91e4867c..078362e9c 100644 --- a/src/nix-worker/nix-worker.cc +++ b/src/nix-worker/nix-worker.cc @@ -79,8 +79,11 @@ static bool isFarSideClosed(int socket) socket as readable because there is actual input or because we've reached EOF (i.e., a read of size 0 is available). */ char c; - if (read(socket, &c, 1) != 0) + int rd; + if ((rd = read(socket, &c, 1)) > 0) throw Error("EOF expected (protocol error?)"); + else if (rd == -1 && errno != ECONNRESET) + throw SysError("expected connection reset or EOF"); return true; } @@ -109,7 +112,8 @@ static void sigPollHandler(int sigNo) _isInterrupted = 1; blockInt = 1; canSendStderr = false; - write(STDERR_FILENO, "SIGPOLL\n", 8); + string s = "SIGPOLL\n"; + write(STDERR_FILENO, s.c_str(), s.size()); } } else { string s = "spurious SIGPOLL\n"; @@ -118,8 +122,9 @@ static void sigPollHandler(int sigNo) } catch (Error & e) { /* Shouldn't happen. */ - write(STDERR_FILENO, e.msg().c_str(), e.msg().size()); - abort(); + string s = "impossible: " + e.msg() + '\n'; + write(STDERR_FILENO, s.c_str(), s.size()); + throw; } } |