[PATCH v4 40/40] bsd-user Update random_seed on thread creation

Initialize / update cpu->random_seed in similar locations to the
linux-user code. Set it just before we create the thread, and update it
in the thread startup code.

Reported-by: Philippe Mathieu-Daudé <[email protected]>
Reviewed-by: Philippe Mathieu-Daudé <[email protected]>
Acked-by: Richard Henderson <[email protected]>
Signed-off-by: Warner Losh <[email protected]>
---
 bsd-user/freebsd/os-thread.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/bsd-user/freebsd/os-thread.c b/bsd-user/freebsd/os-thread.c
index 63c17e10d0..15872f03fd 100644
--- a/bsd-user/freebsd/os-thread.c
+++ b/bsd-user/freebsd/os-thread.c
@@ -14,6 +14,7 @@
 #include "signal-common.h"
 #include "target_arch_cpu.h"
 #include "target_arch_thread.h"
+#include "qemu/guest-random.h"
 #include "tcg/startup.h"
 #include "exec/tb-flush.h"
 
@@ -142,7 +143,7 @@ void *new_freebsd_thread_start(void *arg)
     target_thread_set_upcall(env, info->param.start_func, info->param.arg,
         info->param.stack_base, info->param.stack_size);
     target_cpu_set_tls(env, info->param.tls_base);
-
+    qemu_guest_random_seed_thread_part2(cpu->random_seed);
     /* Enable signals */
     sigprocmask(SIG_SETMASK, &info->sigmask, NULL);
     /* Signal to the parent that we're ready. */
@@ -1657,6 +1658,7 @@ abi_long do_freebsd_thr_new(CPUArchState *env,
      */
     sigfillset(&sigmask);
     sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask);
+    cpu->random_seed = qemu_guest_random_seed_thread_part1();
 
     ret = pthread_create(&info.thread, &attr, new_freebsd_thread_start, &info);
 

-- 
2.55.0