From d3a3e171cf03e1052a52cffcfd77a8f91296f7f0 Mon Sep 17 00:00:00 2001
From: Your Name <you@example.com>
Date: Mon, 26 Feb 2024 13:33:01 +0000
Subject: [PATCH] Add support for FreeBSD

---
 gum/backend-freebsd/gumprocess-freebsd.c | 12 +++++++++++-
 tests/core/process.c                     |  6 +++---
 tests/gumjs/script.c                     |  6 +++---
 3 files changed, 17 insertions(+), 7 deletions(-)

diff --git a/gum/backend-freebsd/gumprocess-freebsd.c b/gum/backend-freebsd/gumprocess-freebsd.c
index 1797b2333..5f40b08fc 100644
--- a/gum/backend-freebsd/gumprocess-freebsd.c
+++ b/gum/backend-freebsd/gumprocess-freebsd.c
@@ -20,6 +20,7 @@
 #include <ucontext.h>
 #include <unistd.h>
 #include <sys/ptrace.h>
+#include <sys/resource.h>
 #include <sys/sysctl.h>
 #include <sys/thr.h>
 #include <sys/types.h>
@@ -719,7 +720,16 @@ gum_thread_resume (GumThreadId thread_id,
 guint64
 gum_thead_get_user_time (void)
 {
-  return 0;
+  guint64 user_time = 0;
+  struct rusage usage;
+
+  if (getrusage (RUSAGE_THREAD, &usage) == 0)
+  {
+    user_time = (usage.ru_utime.tv_sec * G_USEC_PER_SEC)
+      + usage.ru_utime.tv_usec;
+  }
+
+  return user_time;
 }
 
 gboolean
diff --git a/tests/core/process.c b/tests/core/process.c
index 259130c22..b1f248003 100644
--- a/tests/core/process.c
+++ b/tests/core/process.c
@@ -309,7 +309,7 @@ TESTCASE (process_threads_get_user_time)
 
   do_work ();
   user_time_b = gum_thead_get_user_time ();
-#if defined (HAVE_LINUX) || defined (HAVE_DARWIN)
+#if defined (HAVE_LINUX) || defined (HAVE_DARWIN) || defined (HAVE_FREEBSD)
   g_assert_cmpuint (user_time_a, !=, 0);
   g_assert_cmpuint (user_time_b, >, user_time_a);
 #else
@@ -331,7 +331,7 @@ TESTCASE (process_threads_get_user_time_by_id_self)
 
   do_work ();
   user_time_b = gum_thead_get_user_time_by_id (tid);
-#if defined (HAVE_LINUX) || defined (HAVE_DARWIN)
+#if defined (HAVE_LINUX) || defined (HAVE_DARWIN) || defined (HAVE_FREEBSD)
   g_assert_cmpuint (user_time_a, !=, 0);
   g_assert_cmpuint (user_time_b, >, user_time_a);
 #else
@@ -360,7 +360,7 @@ TESTCASE (process_threads_get_user_time_by_id_other)
   g_usleep (250000);
   user_time_b = gum_thead_get_user_time_by_id (d.id);
 
-#if defined (HAVE_LINUX) || defined (HAVE_DARWIN)
+#if defined (HAVE_LINUX) || defined (HAVE_DARWIN) || defined (HAVE_FREEBSD)
   g_assert_cmpuint (user_time_a, !=, 0);
   g_assert_cmpuint (user_time_b, >, user_time_a);
 #else
diff --git a/tests/gumjs/script.c b/tests/gumjs/script.c
index e93e0dfa1..64846273d 100644
--- a/tests/gumjs/script.c
+++ b/tests/gumjs/script.c
@@ -5183,7 +5183,7 @@ TESTCASE (process_threads_get_user_time)
       );
   EXPECT_NO_MESSAGES ();
 
-#if defined (HAVE_LINUX) || defined (HAVE_DARWIN)
+#if defined (HAVE_LINUX) || defined (HAVE_DARWIN) || defined (HAVE_FREEBSD)
   g_assert_true (user_time_a != 0);
   g_assert_true (user_time_b > user_time_a);
 #else
@@ -5251,7 +5251,7 @@ TESTCASE (process_threads_get_user_time_other_thread)
   g_async_queue_unref (ctx.sleeper_messages);
   g_async_queue_unref (ctx.controller_messages);
 
-#if defined (HAVE_LINUX) || defined (HAVE_DARWIN)
+#if defined (HAVE_LINUX) || defined (HAVE_DARWIN) || defined (HAVE_FREEBSD)
     g_assert_true (user_time_a != 0);
     g_assert_true (user_time_b > user_time_a);
 #else
@@ -5361,7 +5361,7 @@ TESTCASE (process_threads_find_busy_thread)
     g_async_queue_unref (ctx[i].controller_messages);
   }
 
-#if defined (HAVE_LINUX) || defined (HAVE_DARWIN)
+#if defined (HAVE_LINUX) || defined (HAVE_DARWIN) || defined (HAVE_FREEBSD)
   EXPECT_SEND_MESSAGE_WITH ("%" G_GSIZE_MODIFIER "u", ctx[rand].id);
 #endif
 }