diff mbox series

[v3,2/4] libsupport: Add support_select_normalizes_timeout

Message ID 20210409155346.1357023-2-adhemerval.zanella@linaro.org
State Committed
Headers show
Series [v3,1/4] libsupport: Add support_select_modifies_timeout | expand

Commit Message

Adhemerval Zanella April 9, 2021, 3:53 p.m. UTC
It will be used on a select() test.
---
 support/Makefile                            |  1 +
 support/support.h                           |  4 +++
 support/support_select_normalizes_timeout.c | 29 +++++++++++++++++++++
 3 files changed, 34 insertions(+)
 create mode 100644 support/support_select_normalizes_timeout.c

Comments

Florian Weimer April 9, 2021, 4:24 p.m. UTC | #1
* Adhemerval Zanella via Libc-alpha:

> diff --git a/support/support_select_normalizes_timeout.c b/support/support_select_normalizes_timeout.c
> new file mode 100644
> index 0000000000..5dcf5dcbfc
> --- /dev/null
> +++ b/support/support_select_normalizes_timeout.c
> @@ -0,0 +1,29 @@
> +/* Return whether select normalizes the timeout.
> +   Copyright (C) 2021 Free Software Foundation, Inc.
> +   This file is part of the GNU C Library.
> +
> +   The GNU C Library is free software; you can redistribute it and/or
> +   modify it under the terms of the GNU Lesser General Public
> +   License as published by the Free Software Foundation; either
> +   version 2.1 of the License, or (at your option) any later version.
> +
> +   The GNU C Library is distributed in the hope that it will be useful,
> +   but WITHOUT ANY WARRANTY; without even the implied warranty of
> +   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
> +   Lesser General Public License for more details.
> +
> +   You should have received a copy of the GNU Lesser General Public
> +   License along with the GNU C Library; if not, see
> +   <https://www.gnu.org/licenses/>.  */
> +
> +#include <stdbool.h>

Likewise <support/support.h>

Okay with that change.

Thanks,
Florian
diff mbox series

Patch

diff --git a/support/Makefile b/support/Makefile
index 91457d8613..da6dc58d37 100644
--- a/support/Makefile
+++ b/support/Makefile
@@ -69,6 +69,7 @@  libsupport-routines = \
   support_record_failure \
   support_run_diff \
   support_select_modifies_timeout \
+  support_select_normalizes_timeout \
   support_set_small_thread_stack_size \
   support_shared_allocate \
   support_small_stack_thread_attribute \
diff --git a/support/support.h b/support/support.h
index f730611841..db264e3db7 100644
--- a/support/support.h
+++ b/support/support.h
@@ -148,6 +148,10 @@  extern bool support_stat_nanoseconds (const char *path);
    no slept.  */
 extern bool support_select_modifies_timeout (void);
 
+/* Return true if select normalize the timeout input by taking in account
+   tv_usec larger than 1000000.  */
+extern bool support_select_normalizes_timeout (void);
+
 __END_DECLS
 
 #endif /* SUPPORT_H */
diff --git a/support/support_select_normalizes_timeout.c b/support/support_select_normalizes_timeout.c
new file mode 100644
index 0000000000..5dcf5dcbfc
--- /dev/null
+++ b/support/support_select_normalizes_timeout.c
@@ -0,0 +1,29 @@ 
+/* Return whether select normalizes the timeout.
+   Copyright (C) 2021 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <https://www.gnu.org/licenses/>.  */
+
+#include <stdbool.h>
+
+bool
+support_select_normalizes_timeout (void)
+{
+#ifdef __linux__
+  return true;
+#else
+  return false;
+#endif
+}