[compiler-rt] [compiler-rt] intercept sched_getaffinity on freebsd. (PR #76509)

[David CARLIER via llvm-commits]

https://github.com/devnexen updated https://github.com/llvm/llvm-project/pull/76509

>From 67b8e76ef8b5d5794fc2efaf8c8d988e84b14cfd Mon Sep 17 00:00:00 2001
From: David Carlier <devnexen at gmail.com>
Date: Thu, 28 Dec 2023 15:33:37 +0000
Subject: [PATCH 1/2] [compiler-rt] intercept sched_getaffinity on freebsd.

freebsd releases up to 13.1 are eol and sched_getaffinity
wrapper is available since 13.1.
---
 .../lib/sanitizer_common/sanitizer_platform_interceptors.h     | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_platform_interceptors.h b/compiler-rt/lib/sanitizer_common/sanitizer_platform_interceptors.h
index 8c7c00de6d1292..c1b416eb8340e3 100644
--- a/compiler-rt/lib/sanitizer_common/sanitizer_platform_interceptors.h
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_platform_interceptors.h
@@ -301,7 +301,8 @@
 #define SANITIZER_INTERCEPT_CANONICALIZE_FILE_NAME (SI_GLIBC || SI_SOLARIS)
 #define SANITIZER_INTERCEPT_CONFSTR \
   (SI_FREEBSD || SI_NETBSD || SI_MAC || SI_LINUX_NOT_ANDROID || SI_SOLARIS)
-#define SANITIZER_INTERCEPT_SCHED_GETAFFINITY SI_LINUX_NOT_ANDROID
+#define SANITIZER_INTERCEPT_SCHED_GETAFFINITY \
+  (SI_LINUX_NOT_ANDROID || SI_FREEBSD)
 #define SANITIZER_INTERCEPT_SCHED_GETPARAM SI_LINUX_NOT_ANDROID || SI_SOLARIS
 #define SANITIZER_INTERCEPT_STRERROR SI_POSIX
 #define SANITIZER_INTERCEPT_STRERROR_R SI_POSIX

>From c0e0c4e578e0ee94166ae099c5325bf6ed7029a6 Mon Sep 17 00:00:00 2001
From: David Carlier <devnexen at gmail.com>
Date: Thu, 28 Dec 2023 16:55:01 +0000
Subject: [PATCH 2/2] enable its msan test

---
 compiler-rt/lib/msan/tests/msan_test.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/compiler-rt/lib/msan/tests/msan_test.cpp b/compiler-rt/lib/msan/tests/msan_test.cpp
index 9c8ff9d9b8f9d2..41b99fabe84f47 100644
--- a/compiler-rt/lib/msan/tests/msan_test.cpp
+++ b/compiler-rt/lib/msan/tests/msan_test.cpp
@@ -3241,7 +3241,7 @@ TEST(MemorySanitizer, dlopenFailed) {
 
 #endif // MSAN_TEST_DISABLE_DLOPEN
 
-#if !defined(__FreeBSD__) && !defined(__NetBSD__)
+#if !defined(__NetBSD__)
 TEST(MemorySanitizer, sched_getaffinity) {
   cpu_set_t mask;
   if (sched_getaffinity(getpid(), sizeof(mask), &mask) == 0)