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dev-libs/concurrencykit: fix ck_hp_fifo test on high cpu count

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Package-Manager: Portage-3.0.9, Repoman-3.0.2
Signed-off-by: Conrad Kostecki <conikost@gentoo.org>
This commit is contained in:
Conrad Kostecki
2020-12-01 21:57:12 +01:00
parent 73c5c0cde8
commit 47faa4b07f
2 changed files with 34 additions and 0 deletions
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1
dev-libs/concurrencykit/concurrencykit-0.7.0-r1.ebuild
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@@ -26,6 +26,7 @@ PATCHES=(
"${FILESDIR}/${P}-glibc-2.30.patch"
"${FILESDIR}/${P}-gzip.patch"
"${FILESDIR}/${P}-static-libs.patch"
"${FILESDIR}/${P}-tests.patch"
)
src_configure() {

33
dev-libs/concurrencykit/files/concurrencykit-0.7.0-tests.patch Normal file
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@@ -0,0 +1,33 @@
From 07835a3d08d96db30393c235f95649e792883d50 Mon Sep 17 00:00:00 2001
From: Samy Al Bahra <sbahra@backtrace.io>
Date: Mon, 30 Nov 2020 18:33:51 -0500
Subject: [PATCH] regressions/ck_hp_fifo: fixes false-positive from #165.
Add busy-wait barrier before next stage of test. Otherwise,
some threads may enter it and a non-empty queue state is observed.
---
regressions/ck_hp/validate/ck_hp_fifo.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/regressions/ck_hp/validate/ck_hp_fifo.c b/regressions/ck_hp/validate/ck_hp_fifo.c
index 4454283c..5820f1aa 100644
--- a/regressions/ck_hp/validate/ck_hp_fifo.c
+++ b/regressions/ck_hp/validate/ck_hp_fifo.c
@@ -55,6 +55,7 @@ static struct affinity a;
static int size;
static unsigned int barrier;
static unsigned int e_barrier;
+static unsigned int s_barrier;
static void *
test(void *c)
@@ -98,6 +99,9 @@ test(void *c)
}
}
+ ck_pr_inc_uint(&s_barrier);
+ while (ck_pr_load_uint(&s_barrier) < (unsigned int)nthr);
+
for (i = 0; i < ITERATIONS; i++) {
for (j = 0; j < size; j++) {
fifo_entry = malloc(sizeof(ck_hp_fifo_entry_t));