[PATCH v2 5/6] selftests/powerpc: Add wrapper for gettid
From: Sandipan Das <hidden>
Date: 2020-07-27 04:08:20
Subsystem:
kernel selftest framework, the rest · Maintainers:
Shuah Khan, Linus Torvalds
The gettid() syscall wrapper was first introduced in glibc 2.30. This adds a wrapper for use in distros running older versions. Suggested-by: Christophe Leroy <redacted> Suggested-by: Michael Ellerman <mpe@ellerman.id.au> Signed-off-by: Sandipan Das <redacted> --- tools/testing/selftests/powerpc/include/utils.h | 10 ++++++++++ 1 file changed, 10 insertions(+)
diff --git a/tools/testing/selftests/powerpc/include/utils.h b/tools/testing/selftests/powerpc/include/utils.h
index 69d16875802da..71d2924f5b8b3 100644
--- a/tools/testing/selftests/powerpc/include/utils.h
+++ b/tools/testing/selftests/powerpc/include/utils.h@@ -42,6 +42,16 @@ int perf_event_enable(int fd); int perf_event_disable(int fd); int perf_event_reset(int fd); +#if !defined(__GLIBC_PREREQ) || !__GLIBC_PREREQ(2, 30) +#include <unistd.h> +#include <sys/syscall.h> + +static inline pid_t gettid(void) +{ + return syscall(SYS_gettid); +} +#endif + static inline bool have_hwcap(unsigned long ftr) { return ((unsigned long)get_auxv_entry(AT_HWCAP) & ftr) == ftr;
--
2.25.1