diff options
| -rw-r--r-- | stdlib/random.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/stdlib/random.c b/stdlib/random.c index 17cc61ba8f..5d482a8570 100644 --- a/stdlib/random.c +++ b/stdlib/random.c @@ -51,6 +51,7 @@ SUCH DAMAGE.*/ #include <libc-lock.h> +#include <sys/single_threaded.h> #include <limits.h> #include <stddef.h> #include <stdlib.h> @@ -288,6 +289,12 @@ __random (void) { int32_t retval; + if (SINGLE_THREAD_P) + { + (void) __random_r (&unsafe_state, &retval); + return retval; + } + __libc_lock_lock (lock); (void) __random_r (&unsafe_state, &retval); |