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From: Adhemerval Zanella <azanella@sourceware.org> To: glibc-cvs@sourceware.org Subject: [glibc/release/2.33/master] libsupport: Add support_select_modifies_timeout Date: Tue, 13 Apr 2021 21:03:06 +0000 (GMT) [thread overview] Message-ID: <20210413210306.B82353947418@sourceware.org> (raw) https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b5b4aa62c124cf5c6c8d7a520137acbc0f3dc525 commit b5b4aa62c124cf5c6c8d7a520137acbc0f3dc525 Author: Adhemerval Zanella <adhemerval.zanella@linaro.org> Date: Fri Apr 9 10:02:30 2021 -0300 libsupport: Add support_select_modifies_timeout It will be used on a select() test. (cherry picked from commit 5628f103f5937611730845390928cb43ef716012) Diff: --- support/Makefile | 1 + support/support.h | 5 +++++ support/support_select_modifies_timeout.c | 29 +++++++++++++++++++++++++++++ 3 files changed, 35 insertions(+) diff --git a/support/Makefile b/support/Makefile index bb9889efb4..4fd76b0e5e 100644 --- a/support/Makefile +++ b/support/Makefile @@ -67,6 +67,7 @@ libsupport-routines = \ support_quote_string \ support_record_failure \ support_run_diff \ + support_select_modifies_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 9cbc455720..9c9612644a 100644 --- a/support/support.h +++ b/support/support.h @@ -23,6 +23,7 @@ #ifndef SUPPORT_H #define SUPPORT_H +#include <stdbool.h> #include <stddef.h> #include <sys/cdefs.h> /* For mode_t. */ @@ -129,6 +130,10 @@ extern void support_copy_file (const char *from, const char *to); extern ssize_t support_copy_file_range (int, off64_t *, int, off64_t *, size_t, unsigned int); +/* Return true if select modify the timeout to reflect the amount of time + no slept. */ +extern bool support_select_modifies_timeout (void); + __END_DECLS #endif /* SUPPORT_H */ diff --git a/support/support_select_modifies_timeout.c b/support/support_select_modifies_timeout.c new file mode 100644 index 0000000000..653ea2cc98 --- /dev/null +++ b/support/support_select_modifies_timeout.c @@ -0,0 +1,29 @@ +/* Return whether select modifies 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 <support/support.h> + +bool +support_select_modifies_timeout (void) +{ +#ifdef __linux__ + return true; +#else + return false; +#endif +}
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