Re: [PATCH 5/5] selftests/powerpc: Add test for pkey siginfo verification

[Christophe Leroy]

Michael Ellerman <m...@ellerman.id.au> a écrit :

Sandipan Das <sandi...@linux.ibm.com> writes:

diff --git a/tools/testing/selftests/powerpc/mm/pkey_siginfo.c b/tools/testing/selftests/powerpc/mm/pkey_siginfo.c

new file mode 100644
index 0000000000000..58605c53d495d
--- /dev/null
+++ b/tools/testing/selftests/powerpc/mm/pkey_siginfo.c
@@ -0,0 +1,332 @@

...

+
+static void *protect(void *p)
+{
+       unsigned long rights;
+       unsigned int *base;
+       size_t size;
+       int tid, i;
+
+       tid = gettid();

pkey_siginfo.c: In function 'protect':

pkey_siginfo.c:103:8: error: implicit declaration of function 'gettid' [-Werror=implicit-function-declaration]

  tid = gettid();
        ^


On Ubuntu 18.04 at least.

See https://man7.org/linux/man-pages/man2/gettid.2.html

Added in glibc 2.30

Christophe