rseq/selftests: Fix: Namespace gettid() for compatibility with glibc 2.30
glibc 2.30 introduces gettid() in public headers, which clashes with the internal static definition within rseq selftests. Rename gettid() to rseq_gettid() to eliminate this symbol name clash. Reported-by: Tommi T. Rantala <tommi.t.rantala@nokia.com> Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Cc: Shuah Khan <skhan@linuxfoundation.org> Cc: Tommi T. Rantala <tommi.t.rantala@nokia.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: "Paul E. McKenney" <paulmck@linux.ibm.com> Cc: Boqun Feng <boqun.feng@gmail.com> Cc: "H . Peter Anvin" <hpa@zytor.com> Cc: Paul Turner <pjt@google.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: <stable@vger.kernel.org> # v4.18+ Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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@ -15,7 +15,7 @@
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#include <errno.h>
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#include <stddef.h>
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static inline pid_t gettid(void)
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static inline pid_t rseq_gettid(void)
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{
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return syscall(__NR_gettid);
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}
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@ -373,11 +373,12 @@ void *test_percpu_spinlock_thread(void *arg)
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rseq_percpu_unlock(&data->lock, cpu);
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#ifndef BENCHMARK
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if (i != 0 && !(i % (reps / 10)))
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printf_verbose("tid %d: count %lld\n", (int) gettid(), i);
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printf_verbose("tid %d: count %lld\n",
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(int) rseq_gettid(), i);
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#endif
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}
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printf_verbose("tid %d: number of rseq abort: %d, signals delivered: %u\n",
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(int) gettid(), nr_abort, signals_delivered);
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(int) rseq_gettid(), nr_abort, signals_delivered);
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if (!opt_disable_rseq && thread_data->reg &&
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rseq_unregister_current_thread())
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abort();
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@ -454,11 +455,12 @@ void *test_percpu_inc_thread(void *arg)
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} while (rseq_unlikely(ret));
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#ifndef BENCHMARK
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if (i != 0 && !(i % (reps / 10)))
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printf_verbose("tid %d: count %lld\n", (int) gettid(), i);
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printf_verbose("tid %d: count %lld\n",
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(int) rseq_gettid(), i);
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#endif
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}
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printf_verbose("tid %d: number of rseq abort: %d, signals delivered: %u\n",
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(int) gettid(), nr_abort, signals_delivered);
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(int) rseq_gettid(), nr_abort, signals_delivered);
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if (!opt_disable_rseq && thread_data->reg &&
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rseq_unregister_current_thread())
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abort();
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@ -605,7 +607,7 @@ void *test_percpu_list_thread(void *arg)
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}
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printf_verbose("tid %d: number of rseq abort: %d, signals delivered: %u\n",
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(int) gettid(), nr_abort, signals_delivered);
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(int) rseq_gettid(), nr_abort, signals_delivered);
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if (!opt_disable_rseq && rseq_unregister_current_thread())
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abort();
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@ -796,7 +798,7 @@ void *test_percpu_buffer_thread(void *arg)
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}
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printf_verbose("tid %d: number of rseq abort: %d, signals delivered: %u\n",
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(int) gettid(), nr_abort, signals_delivered);
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(int) rseq_gettid(), nr_abort, signals_delivered);
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if (!opt_disable_rseq && rseq_unregister_current_thread())
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abort();
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@ -1011,7 +1013,7 @@ void *test_percpu_memcpy_buffer_thread(void *arg)
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}
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printf_verbose("tid %d: number of rseq abort: %d, signals delivered: %u\n",
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(int) gettid(), nr_abort, signals_delivered);
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(int) rseq_gettid(), nr_abort, signals_delivered);
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if (!opt_disable_rseq && rseq_unregister_current_thread())
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abort();
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