Message ID | 20191217182929.90989-1-jrtc27@jrtc27.com |
---|---|
State | New |
Headers | show |
Series | hurd: Make getrandom honour GRND_NONBLOCK | expand |
James Clarke, le mar. 17 déc. 2019 18:29:29 +0000, a ecrit: > * sysdeps/mach/hurd/getrandom.c (__getrandom): Open the random source > with O_NONBLOCK when the GRND_NONBLOCK flag is provided. Applied, thanks! Samuel > --- > 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; > > -- > 2.20.1 >
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;