Thanks, I tweaked a bit and merged this patch in my next branch. On Tue, Jan 23, 2024 at 02:26:21PM +0800, Hu Yadi wrote: > From: "Hu.Yadi" <hu.yadi@xxxxxxx> There is an extra "." here, I fixed it. You don't need to add this From field if it matches your email's From one. > > Fixes: a549d055a22e ("selftests/landlock: Add network tests") > > one issues comes up while building selftest/landlock/net_test on my side > (gcc 7.3/glibc-2.28/kernel-4.19) > > net_test.c: In function ‘set_service’: > net_test.c:91:45: warning: implicit declaration of function ‘gettid’; [-Wimplicit-function-declaration] > "_selftests-landlock-net-tid%d-index%d", gettid(), > ^~~~~~ > getgid > net_test.c:(.text+0x4e0): undefined reference to `gettid' > > Signed-off-by: Hu Yadi <hu.yadi@xxxxxxx> > Suggested-by: Jiao <jiaoxupo@xxxxxxx> > Reviewed-by: Berlin <berlin@xxxxxxx> > --- > tools/testing/selftests/landlock/net_test.c | 10 ++++++++-- > 1 file changed, 8 insertions(+), 2 deletions(-) > > diff --git a/tools/testing/selftests/landlock/net_test.c b/tools/testing/selftests/landlock/net_test.c > index 929e21c4db05..6cc1bb1a9166 100644 > --- a/tools/testing/selftests/landlock/net_test.c > +++ b/tools/testing/selftests/landlock/net_test.c > @@ -18,9 +18,15 @@ > #include <sys/prctl.h> > #include <sys/socket.h> > #include <sys/un.h> > - > +#include <sys/syscall.h> > #include "common.h" > > + > +static pid_t sys_gettid(void) > +{ > + return syscall(__NR_gettid); > +} > + > const short sock_port_start = (1 << 10); > > static const char loopback_ipv4[] = "127.0.0.1"; > @@ -88,7 +94,7 @@ static int set_service(struct service_fixture *const srv, > case AF_UNIX: > srv->unix_addr.sun_family = prot.domain; > sprintf(srv->unix_addr.sun_path, > - "_selftests-landlock-net-tid%d-index%d", gettid(), > + "_selftests-landlock-net-tid%d-index%d", sys_gettid(), > index); > srv->unix_addr_len = SUN_LEN(&srv->unix_addr); > srv->unix_addr.sun_path[0] = '\0'; > -- > 2.23.0 > >