From 30a7ebef629447de120a7de33380f02556505e47 Mon Sep 17 00:00:00 2001
From: Dan Ponte <amigan@gmail.com>
Date: Thu, 5 Oct 2023 10:38:36 -0400
Subject: [PATCH] Fix build on FreeBSD.

Apply https://gitlab.freedesktop.org/pulseaudio/webrtc-audio-processing/-/commit/2083c9a5dd3482caee59544c1ffa9700c473e978
---
 setup.py                                      |  2 ++
 webrtc-audio-processing/meson.build           | 20 +++++++++++++++++++
 .../rtc_base/platform_thread_types.cc         | 16 +++++++++++++++
 3 files changed, 38 insertions(+)

diff --git a/setup.py b/setup.py
index 031cf5d..fdda7b3 100644
--- a/setup.py
+++ b/setup.py
@@ -380,6 +380,8 @@
         "'-D_USE_MATH_DEFINES'",
     ]
     libraries += ["winmm"]
+elif system == "freebsd":
+    system_cflags += ["-DWEBRTC_BSD", "-DWEBRTC_THREAD_RR", "-DWEBRTC_POSIX"]
 else:
     raise ValueError(f"Unsupported system: {system}")
 
diff --git a/webrtc-audio-processing/meson.build b/webrtc-audio-processing/meson.build
index 3843e92..bd2decf 100644
--- a/webrtc-audio-processing/meson.build
+++ b/webrtc-audio-processing/meson.build
@@ -91,6 +91,26 @@ elif host_system == 'linux'
   os_deps += [cc.find_library('rt', required : false)]
   os_deps += [dependency('threads')]
   have_posix = true
+elif (host_system == 'dragonfly' or host_system == 'freebsd' or
+      host_system == 'netbsd' or host_system == 'openbsd')
+  os_cflags += ['-DWEBRTC_BSD', '-DWEBRTC_THREAD_RR']
+  os_deps += [dependency('threads')]
+  have_posix = true
+elif (host_system == 'dragonfly' or host_system == 'freebsd' or
+      host_system == 'netbsd' or host_system == 'openbsd')
+  os_cflags += ['-DWEBRTC_BSD', '-DWEBRTC_THREAD_RR']
+  os_deps += [dependency('threads')]
+  have_posix = true
+elif (host_system == 'dragonfly' or host_system == 'freebsd' or
+      host_system == 'netbsd' or host_system == 'openbsd')
+  os_cflags += ['-DWEBRTC_BSD', '-DWEBRTC_THREAD_RR']
+  os_deps += [dependency('threads')]
+  have_posix = true
+elif (host_system == 'dragonfly' or host_system == 'freebsd' or
+      host_system == 'netbsd' or host_system == 'openbsd')
+  os_cflags += ['-DWEBRTC_BSD', '-DWEBRTC_THREAD_RR']
+  os_deps += [dependency('threads')]
+  have_posix = true
 elif host_system == 'windows'
   platform_cflags += ['-DWEBRTC_WIN', '-D_WIN32', '-U__STRICT_ANSI__']
   # this one is for MinGW to get format specifiers from inttypes.h in C++
diff --git a/webrtc-audio-processing/webrtc-audio-processing-1/rtc_base/platform_thread_types.cc b/webrtc-audio-processing/webrtc-audio-processing-1/rtc_base/platform_thread_types.cc
index ea1dd61..e4861e9 100644
--- a/webrtc-audio-processing/webrtc-audio-processing-1/rtc_base/platform_thread_types.cc
+++ b/webrtc-audio-processing/webrtc-audio-processing-1/rtc_base/platform_thread_types.cc
@@ -15,6 +15,12 @@
 #include <sys/syscall.h>
 #endif
 
+#if defined(__DragonFly__) || defined(__FreeBSD__) || defined(__OpenBSD__) // WEBRTC_BSD
+#include <pthread_np.h>
+#elif defined(__NetBSD__) // WEBRTC_BSD
+#include <lwp.h>
+#endif
+
 #if defined(WEBRTC_WIN)
 #include "rtc_base/arraysize.h"
 
@@ -39,6 +45,12 @@ PlatformThreadId CurrentThreadId() {
   return zx_thread_self();
 #elif defined(WEBRTC_LINUX)
   return syscall(__NR_gettid);
+#elif defined(__DragonFly__) || defined(__FreeBSD__) // WEBRTC_BSD
+  return pthread_getthreadid_np();
+#elif defined(__NetBSD__) // WEBRTC_BSD
+  return _lwp_self();
+#elif defined(__OpenBSD__) // WEBRTC_BSD
+  return getthrid();
 #elif defined(__EMSCRIPTEN__)
   return static_cast<PlatformThreadId>(pthread_self());
 #else
@@ -111,6 +123,10 @@ void SetCurrentThreadName(const char* name) {
   prctl(PR_SET_NAME, reinterpret_cast<unsigned long>(name));  // NOLINT
 #elif defined(WEBRTC_MAC) || defined(WEBRTC_IOS)
   pthread_setname_np(name);
+#elif defined(__DragonFly__) || defined(__FreeBSD__) || defined(__OpenBSD__) // WEBRTC_BSD
+  pthread_set_name_np(pthread_self(), name);
+#elif defined(__NetBSD__) // WEBRTC_BSD
+  pthread_setname_np(pthread_self(), "%s", (void*)name);
 #endif
 }