[12/13] linux-user: Add close_range() syscall

Commit Message

Helge Deller Aug. 26, 2022, 2:18 p.m. UTC

Signed-off-by: Helge Deller <[e-mail]>
---
 linux-user/strace.list |  3 +++
 linux-user/syscall.c   | 12 ++++++++++++
 2 files changed, 15 insertions(+)

--
2.37.1

Patch

diff --git a/linux-user/strace.list b/linux-user/strace.list
index 0463415902..4560a01d88 100644
--- a/linux-user/strace.list
+++ b/linux-user/strace.list
@@ -103,6 +103,9 @@ 
 #ifdef TARGET_NR_close
 { TARGET_NR_close, "close" , "%s(%d)", NULL, NULL },
 #endif
+#ifdef TARGET_NR_close_range
+{ TARGET_NR_close_range, "close_range" , "%s(%d,%d,%d)", NULL, NULL },
+#endif
 #ifdef TARGET_NR_connect
 { TARGET_NR_connect, "connect" , "%s(%d,%#x,%d)", NULL, NULL },
 #endif
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index a1e6d4ad53..0becaad74c 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -8724,6 +8724,18 @@  static abi_long do_syscall1(CPUArchState *cpu_env, int num, abi_long arg1,
     case TARGET_NR_close:
         fd_trans_unregister(arg1);
         return get_errno(close(arg1));
+#ifdef TARGET_NR_close_range
+    case TARGET_NR_close_range:
+        {
+            abi_long fd;
+            abi_long maxfd = (arg2 == (abi_long)-1) ? target_fd_max : arg2;
+
+            for (fd = arg1; fd <= maxfd; fd++) {
+                fd_trans_unregister(fd);
+            }
+        }
+        return get_errno(close_range(arg1, arg2, arg3));
+#endif

     case TARGET_NR_brk:
         return do_brk(arg1);