mirror/glibc
2
0
Fork 0
mirror of git://sourceware.org/git/glibc.git synced 2024-11-21 01:12:26 +08:00
Code Issues Packages Projects Releases Wiki Activity

hurd: Make getrandom honour GRND_NONBLOCK

Browse Source 
* sysdeps/mach/hurd/getrandom.c (__getrandom): Open the random source
with O_NONBLOCK when the GRND_NONBLOCK flag is provided.
Message-Id: <20191217182929.90989-1-jrtc27@jrtc27.com>
This commit is contained in:
James Clarke 2019-12-17 18:29:29 +00:00 committed by Samuel Thibault
parent a059f9505b
commit a45244ce12
1 changed files with 5 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
sysdeps/mach/hurd/getrandom.c
View File

@ -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;