app-benchmarks/stress-ng: fix compilation with glibc-2.34
Closes: https://bugs.gentoo.org/803941 Package-Manager: Portage-3.0.20, Repoman-3.0.3 Signed-off-by: Conrad Kostecki <conikost@gentoo.org>
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@ -0,0 +1,101 @@
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From f839de283c44ffe46a2d14bfdf854c145abd8ed6 Mon Sep 17 00:00:00 2001
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From: Colin Ian King <colin.king@canonical.com>
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Date: Mon, 19 Jul 2021 20:49:34 +0100
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Subject: [PATCH] Detemine minimal stack size via sysconf, then
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PTHREAD_STACK_MIN then guess
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Don't rely on PTHREAD_STACK_MIN being defined, use sysconf, then
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PTHREAD_STACK_MIN if it is defined, then 8K default.
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Signed-off-by: Colin Ian King <colin.king@canonical.com>
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---
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core-helper.c | 31 +++++++++++++++++++++++++++++++
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stress-ng.h | 1 +
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stress-pthread.c | 13 ++-----------
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3 files changed, 34 insertions(+), 11 deletions(-)
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diff --git a/core-helper.c b/core-helper.c
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index 508627f2..97a3b869 100644
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--- a/core-helper.c
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+++ b/core-helper.c
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@@ -2494,6 +2494,37 @@ size_t stress_min_sig_stack_size(void)
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return (size_t)sz;
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}
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+size_t stress_min_pthread_stack_size(void)
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+{
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+ static long sz = -1, min;
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+
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+ /* return cached copy */
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+ if (sz > 0)
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+ return sz;
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+
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+ min = stress_min_aux_sig_stack_size();
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+#if defined(__SC_THREAD_STACK_MIN_VALUE)
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+ sz = sysconf(__SC_THREAD_STACK_MIN_VALUE);
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+ if (sz > min)
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+ min = sz;
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+#endif
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+#if defined(_SC_THREAD_STACK_MIN_VALUE)
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+ sz = sysconf(_SC_THREAD_STACK_MIN_VALUE);
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+ if (sz > min)
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+ min = sz;
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+#endif
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+#if defined(PTHREAD_STACK_MIN)
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+ if (PTHREAD_STACK_MIN > min)
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+ min = PTHREAD_STACK_MIN;
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+#endif
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+ if (8192 > min)
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+ min = 8192;
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+
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+ sz = min;
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+
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+ return (size_t)sz;
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+}
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+
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/*
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* stress_sig_handler_exit()
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* signal handler that exits a process via _exit(0) for
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diff --git a/stress-ng.h b/stress-ng.h
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index 8a8b17ae..cd744756 100644
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--- a/stress-ng.h
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+++ b/stress-ng.h
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@@ -4056,6 +4056,7 @@ extern WARN_UNUSED int32_t stress_get_opt_ionice_class(const char *const str);
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/* Misc helper funcs */
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extern WARN_UNUSED size_t stress_sig_stack_size(void);
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extern WARN_UNUSED size_t stress_min_sig_stack_size(void);
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+extern WARN_UNUSED size_t stress_min_pthread_stack_size(void);
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#define STRESS_SIGSTKSZ (stress_sig_stack_size())
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#define STRESS_MINSIGSTKSZ (stress_min_sig_stack_size())
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diff --git a/stress-pthread.c b/stress-pthread.c
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index 0da3aeec..27777af8 100644
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--- a/stress-pthread.c
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+++ b/stress-pthread.c
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@@ -69,12 +69,7 @@ static const stress_opt_set_func_t opt_set_funcs[] = {
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#if defined(HAVE_LIB_PTHREAD)
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-/* Some systems such as GNU/HURD don't define PTHREAD_STACK_MIN */
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-#if !defined(PTHREAD_STACK_MIN)
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-#define PTHREAD_STACK_MIN (16 * KB)
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-#endif
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-
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-#define DEFAULT_STACK_MIN (16 * KB)
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+#define DEFAULT_STACK_MIN (8 * KB)
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#if defined(HAVE_GET_ROBUST_LIST) && \
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defined(HAVE_LINUX_FUTEX_H)
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@@ -404,11 +399,7 @@ static int stress_pthread(const stress_args_t *args)
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stress_pthread_args_t pargs = { args, NULL, 0 };
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sigset_t set;
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#if defined(HAVE_PTHREAD_ATTR_SETSTACK)
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-#if DEFAULT_STACK_MIN == PTHREAD_STACK_MIN
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- const size_t stack_size = PTHREAD_STACK_MIN;
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-#else
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- const size_t stack_size = STRESS_MAXIMUM(DEFAULT_STACK_MIN, PTHREAD_STACK_MIN);
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-#endif
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+ const size_t stack_size = STRESS_MAXIMUM(DEFAULT_STACK_MIN, stress_min_pthread_stack_size());
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#endif
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keep_running_flag = true;
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@ -28,6 +28,8 @@ RDEPEND="${DEPEND}"
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DOCS=( "README" "README.Android" "TODO" "syscalls.txt" )
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PATCHES=( "${FILESDIR}/${PN}-0.12.12-glibc-2.34.patch" )
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src_compile() {
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export MAN_COMPRESS=0
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export VERBOSE=1
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