81 lines
2.6 KiB
Diff
81 lines
2.6 KiB
Diff
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commit b5b4aa62c124cf5c6c8d7a520137acbc0f3dc525
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Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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Date: Fri Apr 9 10:02:30 2021 -0300
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libsupport: Add support_select_modifies_timeout
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It will be used on a select() test.
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(cherry picked from commit 5628f103f5937611730845390928cb43ef716012)
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diff --git a/support/Makefile b/support/Makefile
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index bb9889efb4be3630..4fd76b0e5e4add3f 100644
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--- a/support/Makefile
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+++ b/support/Makefile
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@@ -67,6 +67,7 @@ libsupport-routines = \
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support_quote_string \
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support_record_failure \
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support_run_diff \
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+ support_select_modifies_timeout \
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support_set_small_thread_stack_size \
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support_shared_allocate \
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support_small_stack_thread_attribute \
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diff --git a/support/support.h b/support/support.h
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index 9cbc45572054fd90..9c9612644a70e46f 100644
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--- a/support/support.h
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+++ b/support/support.h
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@@ -23,6 +23,7 @@
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#ifndef SUPPORT_H
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#define SUPPORT_H
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+#include <stdbool.h>
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#include <stddef.h>
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#include <sys/cdefs.h>
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/* For mode_t. */
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@@ -129,6 +130,10 @@ extern void support_copy_file (const char *from, const char *to);
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extern ssize_t support_copy_file_range (int, off64_t *, int, off64_t *,
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size_t, unsigned int);
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+/* Return true if select modify the timeout to reflect the amount of time
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+ no slept. */
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+extern bool support_select_modifies_timeout (void);
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+
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__END_DECLS
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#endif /* SUPPORT_H */
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diff --git a/support/support_select_modifies_timeout.c b/support/support_select_modifies_timeout.c
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new file mode 100644
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index 0000000000000000..653ea2cc9850b005
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--- /dev/null
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+++ b/support/support_select_modifies_timeout.c
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@@ -0,0 +1,29 @@
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+/* Return whether select modifies the timeout.
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+ Copyright (C) 2021 Free Software Foundation, Inc.
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+ This file is part of the GNU C Library.
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+
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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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+
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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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+
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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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+
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+#include <support/support.h>
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+
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+bool
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+support_select_modifies_timeout (void)
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+{
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+#ifdef __linux__
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+ return true;
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+#else
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+ return false;
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+#endif
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+}
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