diff options
Diffstat (limited to 'random.c')
-rw-r--r-- | random.c | 6 |
1 files changed, 5 insertions, 1 deletions
@@ -523,6 +523,10 @@ fill_random_bytes_syscall(void *seed, size_t size) #elif defined __linux__ && defined SYS_getrandom #include <linux/random.h> +# ifndef GRND_NONBLOCK +# define GRND_NONBLOCK 0x0001 /* not defined in musl libc */ +# endif + static int fill_random_bytes_syscall(void *seed, size_t size) { @@ -530,7 +534,7 @@ fill_random_bytes_syscall(void *seed, size_t size) if (try_syscall) { long ret; errno = 0; - ret = syscall(SYS_getrandom, seed, size, 0); + ret = syscall(SYS_getrandom, seed, size, GRND_NONBLOCK); if (errno == ENOSYS) { ATOMIC_SET(try_syscall, 0); return -1; |