diff options
Diffstat (limited to 'Python')
| -rw-r--r-- | Python/pylifecycle.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/Python/pylifecycle.c b/Python/pylifecycle.c index afd4eb8f55..c0f41b3ca7 100644 --- a/Python/pylifecycle.c +++ b/Python/pylifecycle.c @@ -1045,6 +1045,14 @@ initsite(void) static int is_valid_fd(int fd) { +#ifdef __APPLE__ + /* bpo-30225: On macOS Tiger, when stdout is redirected to a pipe + and the other side of the pipe is closed, dup(1) succeed, whereas + fstat(1, &st) fails with EBADF. Prefer fstat() over dup() to detect + such error. */ + struct stat st; + return (fstat(fd, &st) == 0); +#else int fd2; if (fd < 0) return 0; @@ -1057,6 +1065,7 @@ is_valid_fd(int fd) close(fd2); _Py_END_SUPPRESS_IPH return fd2 >= 0; +#endif } /* returns Py_None if the fd is not valid */ |