loader: Use the Mach thread port as thread id on Mac OS.

configure

@@ -7028,6 +7028,7 @@ done
 
 
 
+
 for ac_header in \
 	AudioUnit/AudioUnit.h \
 	Carbon/Carbon.h \
@@ -7067,6 +7068,7 @@ for ac_header in \
 	linux/param.h \
 	linux/serial.h \
 	linux/ucdrom.h \
+	mach/mach.h \
 	mach/machine.h \
 	machine/cpu.h \
 	machine/limits.h \

configure.ac

@@ -197,6 +197,7 @@ AC_CHECK_HEADERS(\
 	linux/param.h \
 	linux/serial.h \
 	linux/ucdrom.h \
+	mach/mach.h \
 	mach/machine.h \
 	machine/cpu.h \
 	machine/limits.h \

include/config.h.in

@@ -423,6 +423,9 @@
 /* Define to 1 if you have the <mach/machine.h> header file. */
 #undef HAVE_MACH_MACHINE_H
 
+/* Define to 1 if you have the <mach/mach.h> header file. */
+#undef HAVE_MACH_MACH_H
+
 /* Define to 1 if you have the `memmove' function. */
 #undef HAVE_MEMMOVE
 

loader/pthread.c

@@ -34,6 +34,9 @@
 #ifdef HAVE_SYS_MMAN_H
 #include <sys/mman.h>
 #endif
+#ifdef HAVE_MACH_MACH_H
+#include <mach/mach.h>
+#endif
 
 #include "wine/library.h"
 #include "wine/pthread.h"
@@ -144,6 +147,8 @@ static void init_current_teb( struct wine_pthread_thread_info *info )
     info->pid = getpid();
 #ifdef __sun
     info->tid = pthread_self();  /* this should return the lwp id on solaris */
+#elif defined(__APPLE__)
+    info->tid = mach_thread_self();
 #else
     info->tid = gettid();
 #endif