Commit 743f3544 authored Jul 27, 2020 by Sandipan Das Committed by Michael Ellerman Jul 29, 2020

selftests/powerpc: Add wrapper for gettid



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 <christophe.leroy@csgroup.eu>
Suggested-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Sandipan Das <sandipan@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/8ca3b0eeda989707815d1cf337cc33f090408965.1595821792.git.sandipan@linux.ibm.com

parent e3333c59

tools/testing/selftests/powerpc/include/utils.h

+10 −0

Original line number	Diff line number	Diff line
		@@ -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;

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