From 8b807ded354d8c2888de3204f386f31b64ad3170 Mon Sep 17 00:00:00 2001
From: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date: Sun, 24 Sep 2023 16:17:12 +0200
Subject: [PATCH] Add GNU/Hurd support

---
 spa/tests/stress-ringbuffer.c | 5 +++--
 src/modules/module-access.c   | 2 +-
 src/modules/module-rt.c       | 6 ++++++
 src/pipewire/conf.c           | 2 +-
 src/pipewire/mem.c            | 5 +++--
 src/pipewire/pipewire.c       | 6 +++---
 src/pipewire/private.h        | 2 +-
 src/pipewire/thread.c         | 3 +++
 8 files changed, 21 insertions(+), 10 deletions(-)

diff --git a/spa/tests/stress-ringbuffer.c b/spa/tests/stress-ringbuffer.c
index 6a7e98fb5..6fb7dd4cf 100644
--- a/spa/tests/stress-ringbuffer.c
+++ b/spa/tests/stress-ringbuffer.c
@@ -11,10 +11,11 @@
 #define ARRAY_SIZE 63
 #define MAX_VALUE 0x10000
 
-#if defined(__FreeBSD__) || defined(__MidnightBSD__)
+#if defined(__FreeBSD__) || defined(__MidnightBSD__) || defined (__GNU__)
 #include <sys/param.h>
 #if (__FreeBSD_version >= 1400000 && __FreeBSD_version < 1400043) \
-    || (__FreeBSD_version < 1300523) || defined(__MidnightBSD__)
+    || (__FreeBSD_version < 1300523) || defined(__MidnightBSD__) \
+    || defined (__GNU__)
 static int sched_getcpu(void) { return -1; };
 #endif
 #endif
diff --git a/src/modules/module-access.c b/src/modules/module-access.c
index aeccffaba..eae64f1ce 100644
--- a/src/modules/module-access.c
+++ b/src/modules/module-access.c
@@ -143,7 +143,7 @@ static int get_exe_name(int pid, char *buf, size_t buf_size)
 	 * (in the current namespace).
 	 */
 
-#if defined(__linux__)
+#if defined(__linux__) || defined(__GNU__)
 	spa_scnprintf(path, sizeof(path), "/proc/%u/exe", pid);
 #elif defined(__FreeBSD__) || defined(__MidnightBSD__)
 	spa_scnprintf(path, sizeof(path), "/proc/%u/file", pid);
diff --git a/src/modules/module-rt.c b/src/modules/module-rt.c
index a5959d085..5e30ac798 100644
--- a/src/modules/module-rt.c
+++ b/src/modules/module-rt.c
@@ -35,6 +35,9 @@
 #if defined(__FreeBSD__) || defined(__MidnightBSD__)
 #include <sys/thr.h>
 #endif
+#if defined(__GNU__)
+#include <mach.h>
+#endif
 #include <fcntl.h>
 #include <unistd.h>
 #include <pthread.h>
@@ -221,6 +224,9 @@ static pid_t _gettid(void)
 	long pid;
 	thr_self(&pid);
 	return (pid_t)pid;
+#elif defined(__GNU__)
+       mach_port_t thread = mach_thread_self();
+       return (pid_t)thread;
 #else
 #error "No gettid impl"
 #endif
diff --git a/src/pipewire/conf.c b/src/pipewire/conf.c
index a253ecb98..10416c322 100644
--- a/src/pipewire/conf.c
+++ b/src/pipewire/conf.c
@@ -18,7 +18,7 @@
 #ifdef HAVE_PWD_H
 #include <pwd.h>
 #endif
-#if defined(__FreeBSD__) || defined(__MidnightBSD__)
+#if defined(__FreeBSD__) || defined(__MidnightBSD__) || defined(__GNU__)
 #ifndef O_PATH
 #define O_PATH 0
 #endif
diff --git a/src/pipewire/mem.c b/src/pipewire/mem.c
index a63aae49c..7b63a3033 100644
--- a/src/pipewire/mem.c
+++ b/src/pipewire/mem.c
@@ -25,7 +25,8 @@
 PW_LOG_TOPIC_EXTERN(log_mem);
 #define PW_LOG_TOPIC_DEFAULT log_mem
 
-#if !defined(__FreeBSD__) && !defined(__MidnightBSD__) && !defined(HAVE_MEMFD_CREATE)
+#if !defined(__FreeBSD__) && !defined(__MidnightBSD__) && !defined(__GNU__) \
+       && !defined(HAVE_MEMFD_CREATE)
 /*
  * No glibc wrappers exist for memfd_create(2), so provide our own.
  *
@@ -42,7 +43,7 @@ static inline int memfd_create(const char *name, unsigned int flags)
 #define HAVE_MEMFD_CREATE 1
 #endif
 
-#if defined(__FreeBSD__) || defined(__MidnightBSD__)
+#if defined(__FreeBSD__) || defined(__MidnightBSD__) || defined(__GNU__)
 #define MAP_LOCKED 0
 #endif
 
diff --git a/src/pipewire/pipewire.c b/src/pipewire/pipewire.c
index 2d5fce24f..ada0d13be 100644
--- a/src/pipewire/pipewire.c
+++ b/src/pipewire/pipewire.c
@@ -7,7 +7,7 @@
 #include <unistd.h>
 #include <limits.h>
 #include <stdio.h>
-#if !defined(__FreeBSD__) && !defined(__MidnightBSD__)
+#if !defined(__FreeBSD__) && !defined(__MidnightBSD__) && !defined(__GNU__)
 #include <sys/prctl.h>
 #endif
 #include <pwd.h>
@@ -720,7 +720,7 @@ static void init_prgname(void)
 	static char name[PATH_MAX];
 
 	spa_memzero(name, sizeof(name));
-#if defined(__linux__) || defined(__FreeBSD_kernel__) || defined(__MidnightBSD_kernel__)
+#if defined(__linux__) || defined(__FreeBSD_kernel__) || defined(__MidnightBSD_kernel__) || defined(__GNU__)
 	{
 		if (readlink("/proc/self/exe", name, sizeof(name)-1) > 0) {
 			prgname = strrchr(name, '/') + 1;
@@ -738,7 +738,7 @@ static void init_prgname(void)
 		}
 	}
 #endif
-#if !defined(__FreeBSD__) && !defined(__MidnightBSD__)
+#if !defined(__FreeBSD__) && !defined(__MidnightBSD__) && !defined(__GNU__)
 	{
 		if (prctl(PR_GET_NAME, (unsigned long) name, 0, 0, 0) == 0) {
 			prgname = name;
diff --git a/src/pipewire/private.h b/src/pipewire/private.h
index 4c225e36a..b753b9ebb 100644
--- a/src/pipewire/private.h
+++ b/src/pipewire/private.h
@@ -22,7 +22,7 @@ extern "C" {
 #include <spa/utils/result.h>
 #include <spa/utils/type-info.h>
 
-#if defined(__FreeBSD__) || defined(__MidnightBSD__)
+#if defined(__FreeBSD__) || defined(__MidnightBSD__) || defined(__GNU__)
 struct ucred {
 };
 #endif
diff --git a/src/pipewire/thread.c b/src/pipewire/thread.c
index 68a708180..4f753a9f9 100644
--- a/src/pipewire/thread.c
+++ b/src/pipewire/thread.c
@@ -53,6 +53,9 @@ int pthread_setname_np(pthread_t thread, const char *name)
 }
 #endif
 #endif
+#if defined(__GNU__)
+int pthread_setname_np(pthread_t thread, const char *name) { return 0; }
+#endif
 
 static struct spa_thread *impl_create(void *object,
 			const struct spa_dict *props,