name all threads

lib/gamepad/gamepad.c

@@ -232,9 +232,16 @@ int connect_as_gamepad_internal(event_loop_t *event_loop, uint32_t server_addres
     pthread_t video_thread, audio_thread, input_thread, msg_thread, cmd_thread;
 
     pthread_create(&video_thread, NULL, listen_video, &info);
+    name_thread(video_thread, "vanilla-video");
+
     pthread_create(&audio_thread, NULL, listen_audio, &info);
+    name_thread(audio_thread, "vanilla-audio");
+
     pthread_create(&input_thread, NULL, listen_input, &info);
+    name_thread(input_thread, "vanilla-input");
+    
     pthread_create(&cmd_thread, NULL, listen_command, &info);
+    name_thread(cmd_thread, "vanilla-cmd");
 
     while (1) {
         usleep(250 * 1000);

lib/util.c

@@ -1,5 +1,6 @@
 #include "util.h"
 
+#include <dlfcn.h>
 #include <signal.h>
 #include <stdlib.h>
 #include <sys/stat.h>
@@ -62,3 +63,18 @@ uint16_t crc16(const void *data, size_t len)
 
     return crc;
 }
+
+static int (*ppthread_setname_np)(pthread_t, const char*) = NULL;
+static int checked_for_pthread_setname_np = 0;
+void name_thread(pthread_t thread, const char *name)
+{
+    if (!checked_for_pthread_setname_np) {
+        void *fn = dlsym(RTLD_DEFAULT, "pthread_setname_np");
+        ppthread_setname_np = (int(*)(pthread_t, const char*)) fn;
+        checked_for_pthread_setname_np = 1;
+    }
+
+    if (ppthread_setname_np) {
+        ppthread_setname_np(thread, name);
+    }
+}

lib/util.h

@@ -19,6 +19,7 @@ int is_interrupted();
 void force_interrupt();
 void install_interrupt_handler();
 void uninstall_interrupt_handler();
+void name_thread(pthread_t thread, const char *name);
 
 uint16_t crc16(const void* data, size_t len);
 

lib/vanilla.c

@@ -60,6 +60,7 @@ int vanilla_start_internal(uint32_t server_address)
 
         // Start other thread (which will set event loop to active)
         pthread_create(&other, NULL, start_gamepad, data);
+        name_thread(other, "vanilla-gamepad");
 
         // Wait for event loop to be set active before returning
         while (!event_loop.active) {