diff options
Diffstat (limited to 'random.c')
-rw-r--r-- | random.c | 8 |
1 files changed, 7 insertions, 1 deletions
@@ -516,6 +516,12 @@ fill_random_bytes_syscall(void *seed, size_t size) return 0; } #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) { @@ -523,7 +529,7 @@ 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) { try_syscall = 0; return -1; |