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	I used these shell commands: ../glibc/scripts/update-copyrights $PWD/../gnulib/build-aux/update-copyright (cd ../glibc && git commit -am"[this commit message]") and then ignored the output, which consisted lines saying "FOO: warning: copyright statement not found" for each of 6694 files FOO. I then removed trailing white space from benchtests/bench-pthread-locks.c and iconvdata/tst-iconv-big5-hkscs-to-2ucs4.c, to work around this diagnostic from Savannah: remote: *** pre-commit check failed ... remote: *** error: lines with trailing whitespace found remote: error: hook declined to update refs/heads/master
		
			
				
	
	
		
			115 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			115 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/* Global test failure counter.
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   Copyright (C) 2016-2021 Free Software Foundation, Inc.
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   This file is part of the GNU C Library.
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   The GNU C Library is free software; you can redistribute it and/or
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   modify it under the terms of the GNU Lesser General Public
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   License as published by the Free Software Foundation; either
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   version 2.1 of the License, or (at your option) any later version.
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   The GNU C Library is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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   Lesser General Public License for more details.
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   You should have received a copy of the GNU Lesser General Public
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   License along with the GNU C Library; if not, see
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   <https://www.gnu.org/licenses/>.  */
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#include <support/check.h>
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#include <support/support.h>
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#include <support/test-driver.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/mman.h>
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#include <unistd.h>
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/* This structure keeps track of test failures.  The counter is
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   incremented on each failure.  The failed member is set to true if a
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   failure is detected, so that even if the counter wraps around to
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   zero, the failure of a test can be detected.
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   The init constructor function below puts *state on a shared
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   annonymous mapping, so that failure reports from subprocesses
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   propagate to the parent process.  */
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struct test_failures
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{
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  unsigned int counter;
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  unsigned int failed;
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};
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static struct test_failures *state;
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static __attribute__ ((constructor)) void
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init (void)
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{
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  void *ptr = mmap (NULL, sizeof (*state), PROT_READ | PROT_WRITE,
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                    MAP_ANONYMOUS | MAP_SHARED, -1, 0);
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  if (ptr == MAP_FAILED)
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    {
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      printf ("error: could not map %zu bytes: %m\n", sizeof (*state));
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      exit (1);
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    }
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  /* Zero-initialization of the struct is sufficient.  */
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  state = ptr;
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}
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void
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support_record_failure (void)
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{
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  if (state == NULL)
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    {
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      write_message
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        ("error: support_record_failure called without initialization\n");
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      _exit (1);
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    }
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  /* Relaxed MO is sufficient because we are only interested in the
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     values themselves, in isolation.  */
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  __atomic_store_n (&state->failed, 1, __ATOMIC_RELEASE);
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  __atomic_add_fetch (&state->counter, 1, __ATOMIC_RELEASE);
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}
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int
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support_report_failure (int status)
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{
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  if (state == NULL)
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    {
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      write_message
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        ("error: support_report_failure called without initialization\n");
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      return 1;
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    }
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  /* Relaxed MO is sufficient because acquire test result reporting
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     assumes that exiting from the main thread happens before the
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     error reporting via support_record_failure, which requires some
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     form of external synchronization.  */
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  bool failed = __atomic_load_n (&state->failed, __ATOMIC_RELAXED);
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  if (failed)
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    printf ("error: %u test failures\n",
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            __atomic_load_n (&state->counter, __ATOMIC_RELAXED));
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  if ((status == 0 || status == EXIT_UNSUPPORTED) && failed)
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    /* If we have a recorded failure, it overrides a non-failure
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       report from the test function.  */
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    status = 1;
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  return status;
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}
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void
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support_record_failure_reset (void)
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{
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  /* Only used for testing the test framework, with external
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     synchronization, but use release MO for consistency.  */
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  __atomic_store_n (&state->failed, 0, __ATOMIC_RELAXED);
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  __atomic_add_fetch (&state->counter, 0, __ATOMIC_RELAXED);
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}
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int
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support_record_failure_is_failed (void)
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{
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  /* Relaxed MO is sufficient because we need (blocking) external
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     synchronization for reliable test error reporting anyway.  */
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  return __atomic_load_n (&state->failed, __ATOMIC_RELAXED);
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}
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