diff options
Diffstat (limited to 'ruby.c')
-rw-r--r-- | ruby.c | 7 |
1 files changed, 4 insertions, 3 deletions
@@ -1819,9 +1819,10 @@ static void fill_standard_fds(void) { int f0, f1, f2, fds[2]; - f0 = fcntl(0, F_GETFD) == -1 && errno == EBADF; - f1 = fcntl(1, F_GETFD) == -1 && errno == EBADF; - f2 = fcntl(2, F_GETFD) == -1 && errno == EBADF; + struct stat buf; + f0 = fstat(0, &buf) == -1 && errno == EBADF; + f1 = fstat(1, &buf) == -1 && errno == EBADF; + f2 = fstat(2, &buf) == -1 && errno == EBADF; if (f0) { if (pipe(fds) == 0) { close(fds[1]); |