[PATCH v4 31/40] bsd-user: Add thread system call dispatch

Wire up thread-related system calls: thr_new, thr_set_name, thr_self,
thr_suspend, thr_wake, thr_kill, thr_kill2, thr_exit, rtprio_thread,
getcontext, setcontext, swapcontext, and _umtx_op.

Signed-off-by: Stacey Son <[email protected]>
Signed-off-by: Kyle Evans <[email protected]>
Assisted-by: Claude Opus 4.6 (1M context)
Acked-by: Richard Henderson <[email protected]>
Signed-off-by: Warner Losh <[email protected]>
---
 bsd-user/freebsd/os-syscall.c | 55 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)

diff --git a/bsd-user/freebsd/os-syscall.c b/bsd-user/freebsd/os-syscall.c
index f2c3ff25e8..0c729da0ab 100644
--- a/bsd-user/freebsd/os-syscall.c
+++ b/bsd-user/freebsd/os-syscall.c
@@ -1293,6 +1293,61 @@ static abi_long freebsd_syscall(CPUArchState *env, int num, abi_long arg1,
         ret = do_freebsd_setfib(arg1);
         break;
 
+        /*
+         * thread system calls
+         */
+    case TARGET_FREEBSD_NR_thr_new: /* thr_new(2) */
+        ret = do_freebsd_thr_new(env, arg1, arg2);
+        break;
+
+    case TARGET_FREEBSD_NR_thr_set_name: /* thr_set_name(2) */
+        ret = do_freebsd_thr_set_name(arg1, arg2);
+        break;
+
+    case TARGET_FREEBSD_NR_thr_self: /* thr_self(2) */
+        ret = do_freebsd_thr_self(arg1);
+        break;
+
+    case TARGET_FREEBSD_NR_thr_suspend: /* thr_suspend(2) */
+        ret = do_freebsd_thr_suspend(arg1);
+        break;
+
+    case TARGET_FREEBSD_NR_thr_wake: /* thr_wake(2) */
+        ret = do_freebsd_thr_wake(arg1);
+        break;
+
+    case TARGET_FREEBSD_NR_thr_kill: /* thr_kill(2) */
+        ret = do_freebsd_thr_kill(arg1, arg2);
+        break;
+
+    case TARGET_FREEBSD_NR_thr_kill2: /* thr_kill2(2) */
+        ret = do_freebsd_thr_kill2(arg1, arg2, arg3);
+        break;
+
+    case TARGET_FREEBSD_NR_thr_exit: /* thr_exit(2) */
+        ret = do_freebsd_thr_exit(env, arg1);
+        break;
+
+    case TARGET_FREEBSD_NR_rtprio_thread: /* rtprio_thread(2) */
+        ret = do_freebsd_rtprio_thread(arg1, arg2, arg3);
+        break;
+
+    case TARGET_FREEBSD_NR_getcontext: /* getcontext(2) */
+        ret = do_freebsd_getcontext(env, arg1);
+        break;
+
+    case TARGET_FREEBSD_NR_setcontext: /* setcontext(2) */
+        ret = do_freebsd_setcontext(env, arg1);
+        break;
+
+    case TARGET_FREEBSD_NR_swapcontext: /* swapcontext(2) */
+        ret = do_freebsd_swapcontext(env, arg1, arg2);
+        break;
+
+    case TARGET_FREEBSD_NR__umtx_op: /* undocumented */
+        ret = do_freebsd__umtx_op(arg1, arg2, arg3, arg4, arg5);
+        break;
+
         /*
          * sys{ctl, arch, call}
          */

-- 
2.55.0