From 49f9218d330f5842fe24bce79267bd2c5b239df3 Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Mon, 16 Jun 2014 19:24:17 +0200
Subject: Improve uplink handling, add code to debug thread
 creation/destruction, change stupid convention of freeDiskSpace returning 0
 on error, which is ambiguous to the disk simply being full...

---
 src/server/locks.h | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)

(limited to 'src/server/locks.h')

diff --git a/src/server/locks.h b/src/server/locks.h
index 43a3943..ab355c9 100644
--- a/src/server/locks.h
+++ b/src/server/locks.h
@@ -4,6 +4,9 @@
 #ifdef _DEBUG
 
 #include <pthread.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
 
 #define spin_init( lock, type ) debug_spin_init( #lock, __FILE__, __LINE__, lock, type)
 #define spin_lock( lock ) debug_spin_lock( #lock, __FILE__, __LINE__, lock)
@@ -19,6 +22,7 @@ int debug_spin_destroy(const char *name, const char *file, int line, pthread_spi
 
 void debug_dump_lock_stats();
 
+
 #else
 
 #define spin_init( lock, type ) pthread_spin_init(lock, type)
@@ -29,6 +33,52 @@ void debug_dump_lock_stats();
 
 #endif
 
+#ifdef DEBUG_THREADS
+
+extern int debugThreadCount;
+#define thread_create(thread,attr,routine,arg) (printf("[THREAD CREATE] %d @ %s:%d\n", debugThreadCount, __FILE__, (int)__LINE__), debug_thread_create(thread, attr, routine, arg))
+static inline pthread_t debug_thread_create(pthread_t *thread, const pthread_attr_t *attr, void *(*start_routine)(void*), void *arg)
+{
+	int i;
+	if (attr == NULL || pthread_attr_getdetachstate(attr, &i) != 0 || i == PTHREAD_CREATE_JOINABLE) {
+		++debugThreadCount;
+	}
+	return pthread_create( thread, attr, start_routine, arg );
+}
+
+#define thread_detach(thread) (printf("[THREAD DETACH] %d @ %s:%d\n", debugThreadCount, __FILE__, __LINE__), debug_thread_detach(thread))
+static inline int debug_thread_detach(pthread_t thread)
+{
+	const int ret = pthread_detach(thread);
+	if (ret == 0) {
+		--debugThreadCount;
+	} else {
+		printf("[THREAD DETACH] Tried to detach invalid thread (error %d)\n", (int)errno);
+		exit(1);
+	}
+	return ret;
+}
+#define thread_join(thread,value) (printf("[THREAD JOIN] %d @ %s:%d\n", debugThreadCount, __FILE__, __LINE__), debug_thread_join(thread,value))
+static inline int debug_thread_join(pthread_t thread, void **value_ptr)
+{
+	const int ret = pthread_join(thread, value_ptr);
+	if (ret == 0) {
+		--debugThreadCount;
+	} else {
+		printf("[THREAD JOIN] Tried to join invalid thread (error %d)\n", (int)errno);
+		exit(1);
+	}
+	return ret;
+}
+
+#else
+
+#define thread_create(thread,attr,routine,param)  pthread_create( thread, attr, routine, param )
+#define thread_detach(thread) pthread_detach( thread )
+#define thread_join(thread,value) pthread_join( thread, value )
+
+#endif
+
 void debug_locks_start_watchdog();
 void debug_locks_stop_watchdog();
 
-- 
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