[Valgrind-developers] [valgrind] Suppress unimplemented fcntl command warning with -q

[Mark W. <ma...@so...>]

https://sourceware.org/cgit/valgrind/commit/?id=aec4871f7c9deed31f5d5606e4f9d07b43a448ec

commit aec4871f7c9deed31f5d5606e4f9d07b43a448ec
Author: Mark Wielaard <ma...@kl...>
Date:   Wed Jul 9 18:27:17 2025 +0200

    Suppress unimplemented fcntl command warning with -q
    
    LTP tests fcntl13 and fcntl13_64 fail because even with -q valgrind
    emits warnings about unknown (999) fcntl commands. Don't emit that
    message with -q, just fail with EINVAL.

Diff:
---
 coregrind/m_syswrap/syswrap-linux.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/coregrind/m_syswrap/syswrap-linux.c b/coregrind/m_syswrap/syswrap-linux.c
index 1eaa2621e6..a5e1f9d656 100644
--- a/coregrind/m_syswrap/syswrap-linux.c
+++ b/coregrind/m_syswrap/syswrap-linux.c
@@ -7202,8 +7202,9 @@ PRE(sys_fcntl)
    default:
       PRINT("sys_fcntl[UNKNOWN] ( %" FMT_REGWORD "u, %" FMT_REGWORD "u, %"
             FMT_REGWORD "u )", ARG1, ARG2, ARG3);
-      VG_(umsg)("Warning: unimplemented fcntl command: %" FMT_REGWORD "u\n",
-                ARG2);
+      if (VG_(clo_verbosity) >= 1)
+         VG_(umsg)("Warning: unimplemented fcntl command: %" FMT_REGWORD "u\n",
+                   ARG2);
       SET_STATUS_Failure( VKI_EINVAL );
       break;
    }