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[PowerPC] Update MemorySanitizer test to cater for number of CPUs > 1024 

MemorySanitizer test fails on systems with more than 1024 CPUs.
This patch updates the test to make it work for machines that
have more than 1024 CPUs. This helps to fix errors on the PowerPC
sanitizer bot.

Reviewed By: #powerpc, nemanjai

Differential Revision: https://reviews.llvm.org/D87053
This commit is contained in:
Ahsan Saghir 2020-09-02 14:13:23 -05:00
parent 62dbb7e54c
commit a27398a815
1 changed files with 13 additions and 3 deletions
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16
compiler-rt/lib/msan/tests/msan_test.cpp
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@ -3229,9 +3229,19 @@ TEST(MemorySanitizer, dlopenFailed) {
#if !defined(__FreeBSD__) && !defined(__NetBSD__)
TEST(MemorySanitizer, sched_getaffinity) {
cpu_set_t mask;
int res = sched_getaffinity(getpid(), sizeof(mask), &mask);
ASSERT_EQ(0, res);
EXPECT_NOT_POISONED(mask);
if (sched_getaffinity(getpid(), sizeof(mask), &mask) == 0)
EXPECT_NOT_POISONED(mask);
else {
// The call to sched_getaffinity() may have failed because the Affinity
// mask is too small for the number of CPUs on the system (i.e. the
// system has more than 1024 CPUs). Allocate a mask large enough for
// twice as many CPUs.
cpu_set_t *DynAffinity;
DynAffinity = CPU_ALLOC(2048);
int res = sched_getaffinity(getpid(), CPU_ALLOC_SIZE(2048), DynAffinity);
ASSERT_EQ(0, res);
EXPECT_NOT_POISONED(*DynAffinity);
}
}
#endif