From b01ef09fdf071a0eb0c8e253d1025d217b6bac78 Mon Sep 17 00:00:00 2001
From: Fabio D'Urso <fdurso@google.com>
Date: Mon, 25 Aug 2025 15:22:55 +0000
Subject: [PATCH] [GWP-ASan] Include <unistd.h> for sysconf(_SC_PAGESIZE)

This fixes build failures that started with #153860
---
 compiler-rt/lib/gwp_asan/tests/basic.cpp           | 2 ++
 compiler-rt/lib/gwp_asan/tests/never_allocated.cpp | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/compiler-rt/lib/gwp_asan/tests/basic.cpp b/compiler-rt/lib/gwp_asan/tests/basic.cpp
index 7d36a2ee1f947..ec2cacc00616c 100644
--- a/compiler-rt/lib/gwp_asan/tests/basic.cpp
+++ b/compiler-rt/lib/gwp_asan/tests/basic.cpp
@@ -8,6 +8,8 @@
 
 #include "gwp_asan/tests/harness.h"
 
+#include <unistd.h>
+
 TEST_F(CustomGuardedPoolAllocator, BasicAllocation) {
   InitNumSlots(1);
   void *Ptr = GPA.allocate(1);
diff --git a/compiler-rt/lib/gwp_asan/tests/never_allocated.cpp b/compiler-rt/lib/gwp_asan/tests/never_allocated.cpp
index 37a4b384e4ac0..6e1ee47d86a53 100644
--- a/compiler-rt/lib/gwp_asan/tests/never_allocated.cpp
+++ b/compiler-rt/lib/gwp_asan/tests/never_allocated.cpp
@@ -12,6 +12,8 @@
 #include "gwp_asan/crash_handler.h"
 #include "gwp_asan/tests/harness.h"
 
+#include <unistd.h>
+
 TEST_P(BacktraceGuardedPoolAllocatorDeathTest, NeverAllocated) {
   size_t PageSize = sysconf(_SC_PAGESIZE);