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authorAlexander Motin <mav@FreeBSD.org>2021-07-21 14:50:14 +0000
committerAlexander Motin <mav@FreeBSD.org>2021-07-21 15:32:22 +0000
commit2ae65d449fecf22f493ce2dcb9e293bb8d95c8ef (patch)
tree7a6b1ceb5c4e96bfdd5434a041d878fac86f65d2 /lib/libc
parent23ecfa9d5bc4f04eb58e26018c2d15f032d5d742 (diff)
downloadsrc-2ae65d449fecf22f493ce2dcb9e293bb8d95c8ef.tar.gz
src-2ae65d449fecf22f493ce2dcb9e293bb8d95c8ef.zip
Revert "Fix race between first rand(3) calls."
It is going to be reimplemented with _once(). This reverts commit 28d70deaafa62c5d1602de5272c0aad0fcca8aff. MFC after: 1 month
Diffstat (limited to 'lib/libc')
-rw-r--r--lib/libc/stdlib/rand.c9
1 files changed, 2 insertions, 7 deletions
diff --git a/lib/libc/stdlib/rand.c b/lib/libc/stdlib/rand.c
index 353f59349e1d..bddb0f040302 100644
--- a/lib/libc/stdlib/rand.c
+++ b/lib/libc/stdlib/rand.c
@@ -44,7 +44,6 @@ __FBSDID("$FreeBSD$");
#include <stdbool.h>
#include <stdlib.h>
#include <syslog.h>
-#include <machine/atomic.h>
#include "un-namespace.h"
#include "random.h"
@@ -69,15 +68,11 @@ static struct __random_state *rand3_state;
static void
initialize_rand3(void)
{
- struct __random_state *state;
int error;
- state = allocatestate(TYPE_3);
- error = initstate_r(state, 1, state->rst_randtbl, BREAK_3);
+ rand3_state = allocatestate(TYPE_3);
+ error = initstate_r(rand3_state, 1, rand3_state->rst_randtbl, BREAK_3);
assert(error == 0);
- if (!atomic_cmpset_rel_ptr((volatile uintptr_t *)&rand3_state,
- (uintptr_t)NULL, (uintptr_t)state))
- free(state);
}
int