diff options
| -rw-r--r-- | Python/random.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/Python/random.c b/Python/random.c index 93d300dae4..3f307cf62a 100644 --- a/Python/random.c +++ b/Python/random.c @@ -78,16 +78,24 @@ py_getentropy(unsigned char *buffer, Py_ssize_t size, int fatal) { while (size > 0) { Py_ssize_t len = Py_MIN(size, 256); - int res = getentropy(buffer, len); - if (res < 0) { - if (fatal) { - Py_FatalError("getentropy() failed"); - } - else { + int res; + + if (!fatal) { + Py_BEGIN_ALLOW_THREADS + res = getentropy(buffer, len); + Py_END_ALLOW_THREADS + + if (res < 0) { PyErr_SetFromErrno(PyExc_OSError); return -1; } } + else { + res = getentropy(buffer, len); + if (res < 0) + Py_FatalError("getentropy() failed"); + } + buffer += len; size -= len; } |