diff options
| -rw-r--r-- | src/xz/file_io.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/src/xz/file_io.c b/src/xz/file_io.c index c52656c1..9bd515dd 100644 --- a/src/xz/file_io.c +++ b/src/xz/file_io.c @@ -82,13 +82,19 @@ io_init(void) // we are root. warn_fchown = geteuid() == 0; - if (pipe(user_abort_pipe) - || fcntl(user_abort_pipe[0], F_SETFL, O_NONBLOCK) - == -1 - || fcntl(user_abort_pipe[1], F_SETFL, O_NONBLOCK) - == -1) + // Create a pipe for the self-pipe trick. + if (pipe(user_abort_pipe)) message_fatal(_("Error creating a pipe: %s"), strerror(errno)); + + // Make both ends of the pipe non-blocking. + for (unsigned i = 0; i < 2; ++i) { + int flags = fcntl(user_abort_pipe[i], F_GETFL); + if (flags == -1 || fcntl(user_abort_pipe[i], F_SETFL, + flags | O_NONBLOCK) == -1) + message_fatal(_("Error creating a pipe: %s"), + strerror(errno)); + } #endif #ifdef __DJGPP__ |