bsd-user: Implement acct and sync

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

2 files changed, 31 insertions, 0 deletions

diff --git a/bsd-user/bsd-file.h b/bsd-user/bsd-file.h
index fda3689..b2dca58 100644
--- a/bsd-user/bsd-file.h
+++ b/bsd-user/bsd-file.h
@@ -526,4 +526,27 @@ static abi_long do_bsd_ftruncate(void *cpu_env, abi_long arg1,
     return get_errno(ftruncate(arg1, target_arg64(arg2, arg3)));
 }
 
+/* acct(2) */
+static abi_long do_bsd_acct(abi_long arg1)
+{
+    abi_long ret;
+    void *p;
+
+    if (arg1 == 0) {
+        ret = get_errno(acct(NULL));
+    } else {
+        LOCK_PATH(p, arg1);
+        ret = get_errno(acct(path(p)));
+        UNLOCK_PATH(p, arg1);
+    }
+    return ret;
+}
+
+/* sync(2) */
+static abi_long do_bsd_sync(void)
+{
+    sync();
+    return 0;
+}
+
 #endif /* BSD_FILE_H */
diff --git a/bsd-user/freebsd/os-syscall.c b/bsd-user/freebsd/os-syscall.c
index 3c8f6ca..2623caf 100644
--- a/bsd-user/freebsd/os-syscall.c
+++ b/bsd-user/freebsd/os-syscall.c
@@ -365,6 +365,14 @@ static abi_long freebsd_syscall(void *cpu_env, int num, abi_long arg1,
         ret = do_bsd_ftruncate(cpu_env, arg1, arg2, arg3, arg4);
         break;
 
+    case TARGET_FREEBSD_NR_acct: /* acct(2) */
+        ret = do_bsd_acct(arg1);
+        break;
+
+    case TARGET_FREEBSD_NR_sync: /* sync(2) */
+        ret = do_bsd_sync();
+        break;
+
     default:
         qemu_log_mask(LOG_UNIMP, "Unsupported syscall: %d\n", num);
         ret = -TARGET_ENOSYS;