From: James Clarke <[email protected]>
* sysdeps/mach/hurd/getrandom.c (__getrandom): Open the random source
with O_NONBLOCK when the GRND_NONBLOCK flag is provided.
Message-Id: <[email protected]>
---
sysdeps/mach/hurd/getrandom.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/sysdeps/mach/hurd/getrandom.c b/sysdeps/mach/hurd/getrandom.c
index 8bf42aa40d..aac9c6f8c6 100644
--- a/sysdeps/mach/hurd/getrandom.c
+++ b/sysdeps/mach/hurd/getrandom.c
@@ -27,13 +27,17 @@ ssize_t
__getrandom (void *buffer, size_t length, unsigned int flags)
{
const char *random_source = "/dev/urandom";
+ int open_flags = O_RDONLY | O_CLOEXEC;
size_t amount_read;
int fd;
if (flags & GRND_RANDOM)
random_source = "/dev/random";
- fd = __open_nocancel(random_source, O_RDONLY | O_CLOEXEC);
+ if (flags & GRND_NONBLOCK)
+ open_flags |= O_NONBLOCK;
+
+ fd = __open_nocancel(random_source, open_flags);
if (fd == -1)
return -1;
--
2.24.0
