Merge pthread into libc library

The pthread API is considered a standard feature of libc so better to simply merge it with the libc. Pthreads are in fact already a part of the libc in the form of weak symbols. This merger is also a prerequisite for better integrating pthreads with the libc I/O task. Fix #3054
2025-01-26 14:19:19 +00:00 · 2018-11-21 17:17:25 +01:00 · 2018-11-21 17:17:25 +01:00 · 7a11384177
commit 7a11384177
parent fe322b8e82
60 changed files with 178 additions and 170 deletions
--- a/repos/dde_linux/run/usb_rndis.run
+++ b/repos/dde_linux/run/usb_rndis.run
@ -104,7 +104,7 @@ install_config $config
 # generic modules
 set boot_modules {
 	core ld.lib.so init timer usb_drv
-	libc.lib.so vfs.lib.so libc_pipe.lib.so lwip_legacy.lib.so pthread.lib.so
+	libc.lib.so vfs.lib.so libc_pipe.lib.so lwip_legacy.lib.so
 	tcp_terminal
 	test-terminal_echo
 	vfs_lwip.lib.so
--- a/repos/gems/run/ssh_terminal.run
+++ b/repos/gems/run/ssh_terminal.run
@ -143,7 +143,7 @@ set boot_modules {
 	core ld.lib.so init timer nic_drv rtc_drv report_rom
 	noux test-terminal_echo

-	libc.lib.so pthread.lib.so libm.lib.so vfs.lib.so
+	libc.lib.so libm.lib.so vfs.lib.so
 	vfs_lxip.lib.so lxip.lib.so libc_pipe.lib.so libc_noux.lib.so
 	posix.lib.so libcrypto.lib.so libssh.lib.so zlib.lib.so ncurses.lib.so
 	vfs_jitterentropy.lib.so ssh_terminal
--- a/repos/gems/run/tcp_terminal.run
+++ b/repos/gems/run/tcp_terminal.run
@ -90,7 +90,7 @@ install_config $config
 set boot_modules {
 	core ld.lib.so init timer
 	nic_drv
-	libc.lib.so vfs.lib.so pthread.lib.so lwip_legacy.lib.so libc_pipe.lib.so
+	libc.lib.so vfs.lib.so lwip_legacy.lib.so libc_pipe.lib.so
 	tcp_terminal
 	test-terminal_echo
 	vfs_lwip.lib.so
--- a/repos/gems/src/app/depot_download_manager/gen_fetchurl.cc
+++ b/repos/gems/src/app/depot_download_manager/gen_fetchurl.cc
@ -99,7 +99,6 @@ void Depot_download_manager::gen_fetchurl_start_content(Xml_generator &xml,
 		gen_parent_rom_route(xml, "libcrypto.lib.so");
 		gen_parent_rom_route(xml, "vfs.lib.so");
 		gen_parent_rom_route(xml, "zlib.lib.so");
-		gen_parent_rom_route(xml, "pthread.lib.so");
 		gen_parent_route<Cpu_session>    (xml);
 		gen_parent_route<Pd_session>     (xml);
 		gen_parent_route<Log_session>    (xml);
--- a/repos/gems/src/app/depot_download_manager/gen_verify.cc
+++ b/repos/gems/src/app/depot_download_manager/gen_verify.cc
@ -78,7 +78,6 @@ void Depot_download_manager::gen_verify_start_content(Xml_generator &xml,
 		gen_parent_unscoped_rom_route(xml, "ld.lib.so");
 		gen_parent_rom_route(xml, "libc.lib.so");
 		gen_parent_rom_route(xml, "libm.lib.so");
-		gen_parent_rom_route(xml, "pthread.lib.so");
 		gen_parent_rom_route(xml, "vfs.lib.so");
 		gen_parent_route<Cpu_session>    (xml);
 		gen_parent_route<Pd_session>     (xml);
--- a/repos/gems/src/app/sculpt_manager/runtime/update.cc
+++ b/repos/gems/src/app/sculpt_manager/runtime/update.cc
@ -54,7 +54,6 @@ void Sculpt::gen_update_start_content(Xml_generator &xml)
 		gen_parent_rom_route(xml, "zlib.lib.so");
 		gen_parent_rom_route(xml, "libarchive.lib.so");
 		gen_parent_rom_route(xml, "liblzma.lib.so");
-		gen_parent_rom_route(xml, "pthread.lib.so");
 		gen_parent_rom_route(xml, "config",       "depot_download.config");
 		gen_parent_rom_route(xml, "installation", "config -> managed/installation");
 		gen_parent_route<Cpu_session>    (xml);
--- a/repos/gems/src/server/ssh_terminal/target.mk
+++ b/repos/gems/src/server/ssh_terminal/target.mk
@ -1,5 +1,5 @@
 TARGET = ssh_terminal
 SRC_CC = main.cc
-LIBS   = base libc pthread libssh libc_pipe
+LIBS   = base libc libssh libc_pipe

 CC_CXX_WARN_STRICT =
--- a/repos/gems/src/server/tcp_terminal/target.mk
+++ b/repos/gems/src/server/tcp_terminal/target.mk
@ -1,5 +1,5 @@
 TARGET = tcp_terminal
 SRC_CC = main.cc
-LIBS   = libc pthread libc_pipe
+LIBS   = libc libc_pipe

 CC_CXX_WARN_STRICT =
--- a/repos/libports/lib/mk/egl_i965.mk
+++ b/repos/libports/lib/mk/egl_i965.mk
@ -1,5 +1,5 @@
 SHARED_LIB = yes
-LIBS       = libc egl i965 pthread
+LIBS       = libc egl i965

 include $(REP_DIR)/lib/mk/mesa-common.inc

--- a/repos/libports/lib/mk/icu.mk
+++ b/repos/libports/lib/mk/icu.mk
@ -90,7 +90,7 @@ CC_OPT += -D__intptr_t_defined

 CC_WARN += -Wno-deprecated-declarations

-LIBS = stdcxx pthread
+LIBS = stdcxx

 vpath % $(ICU_DIR)/source/common
 vpath % $(ICU_DIR)/source/i18n
--- a/repos/libports/lib/mk/libc.mk
+++ b/repos/libports/lib/mk/libc.mk
@ -19,6 +19,12 @@ SRC_CC = atexit.cc dummies.cc rlimit.cc sysctl.cc \
         socket_operations.cc task.cc socket_fs_plugin.cc syscall.cc \
 	getpwent.cc

+#
+# Pthreads
+#
+SRC_CC += semaphore.cc rwlock.cc \
+          thread.cc thread_create.cc
+
 CC_OPT_sysctl += -Wno-write-strings

 INC_DIR += $(REP_DIR)/src/lib/libc
@ -43,5 +49,3 @@ vpath % $(LIBC_DIR)/lib/libc/string
 #
 SHARED_LIB  = yes
 LD_OPT     += --version-script=$(REP_DIR)/src/lib/libc/Version.def
-
-CC_CXX_WARN_STRICT =
--- a/repos/libports/lib/mk/libusb.mk
+++ b/repos/libports/lib/mk/libusb.mk
@ -1,5 +1,5 @@
 LIBUSB_DIR := $(call select_from_ports,libusb)/src/lib/libusb
-LIBS       += libc libc_pipe pthread
+LIBS       += libc libc_pipe

 # find 'config.h'
 INC_DIR += $(REP_DIR)/src/lib/libusb
--- a/repos/libports/lib/mk/mesa.inc
+++ b/repos/libports/lib/mk/mesa.inc
@ -1,5 +1,5 @@
 SHARED_LIB = yes
-LIBS       = libc stdcxx expat glapi pthread mesa_api
+LIBS       = libc stdcxx expat glapi mesa_api

 include $(REP_DIR)/lib/mk/mesa-common.inc

--- a/repos/libports/lib/mk/pthread.mk
+++ b/repos/libports/lib/mk/pthread.mk
@ -1,12 +0,0 @@
-SRC_CC = semaphore.cc rwlock.cc \
-         thread.cc thread_create.cc 
-
-LIBS  += libc
-
-INC_DIR += $(REP_DIR)/src/lib
-
-vpath % $(REP_DIR)/src/lib/pthread
-
-SHARED_LIB = yes
-
-CC_CXX_WARN_STRICT =
--- a/repos/libports/lib/mk/qt5_core.mk
+++ b/repos/libports/lib/mk/qt5_core.mk
@ -29,6 +29,6 @@ include $(REP_DIR)/lib/mk/qt5.inc
 SRC_CC += libc_dummies.cc
 vpath libc_dummies.cc $(REP_DIR)/src/lib/qt5

-LIBS += zlib pcre16 libc libm libc_pipe pthread
+LIBS += zlib pcre16 libc libm libc_pipe

 CC_CXX_WARN_STRICT =
--- a/repos/libports/lib/mk/qt5_jscore.mk
+++ b/repos/libports/lib/mk/qt5_jscore.mk
@ -17,6 +17,6 @@ QT_INCPATH += qtwebkit/Source/JavaScriptCore/generated

 include $(REP_DIR)/lib/mk/qt5.inc

-LIBS += qt5_network qt5_core icu pthread libc libm
+LIBS += qt5_network qt5_core icu libc libm

 CC_CXX_WARN_STRICT =
--- a/repos/libports/lib/mk/sdl.mk
+++ b/repos/libports/lib/mk/sdl.mk
@ -82,7 +82,7 @@ SRC_C   += cdrom/SDL_cdrom.c \
 INC_DIR += $(SDL_DIR)/src/cdrom

 # we need libc
-LIBS = libc pthread mesa_api
+LIBS = libc mesa_api

 # backend path
 vpath % $(REP_DIR)/src/lib/sdl
--- a/repos/libports/lib/symbols/libc
+++ b/repos/libports/lib/symbols/libc
@ -494,65 +494,71 @@ pread T
 printf T
 pselect W
 psignal T
-pthread_atfork W
-pthread_attr_destroy W
-pthread_attr_getdetachstate W
-pthread_attr_getguardsize W
-pthread_attr_getinheritsched W
-pthread_attr_getschedparam W
-pthread_attr_getschedpolicy W
-pthread_attr_getscope W
-pthread_attr_getstackaddr W
-pthread_attr_getstacksize W
-pthread_attr_init W
-pthread_attr_setdetachstate W
-pthread_attr_setguardsize W
-pthread_attr_setinheritsched W
-pthread_attr_setschedparam W
-pthread_attr_setschedpolicy W
-pthread_attr_setscope W
-pthread_attr_setstackaddr W
-pthread_attr_setstacksize W
-pthread_cleanup_pop W
-pthread_cleanup_push W
-pthread_cond_broadcast W
-pthread_cond_destroy W
-pthread_cond_init W
-pthread_cond_signal W
-pthread_cond_timedwait W
-pthread_cond_wait W
+pthread_atfork T
+pthread_attr_destroy T
+pthread_attr_getdetachstate T
+pthread_attr_getguardsize T
+pthread_attr_getinheritsched T
+pthread_attr_get_np T
+pthread_attr_getschedparam T
+pthread_attr_getschedpolicy T
+pthread_attr_getscope T
+pthread_attr_getstack T
+pthread_attr_getstackaddr T
+pthread_attr_getstacksize T
+pthread_attr_init T
+pthread_attr_setdetachstate T
+pthread_attr_setguardsize T
+pthread_attr_setinheritsched T
+pthread_attr_setschedparam T
+pthread_attr_setschedpolicy T
+pthread_attr_setscope T
+pthread_attr_setstackaddr T
+pthread_attr_setstacksize T
+pthread_cancel T
+pthread_cleanup_pop T
+pthread_cleanup_push T
+pthread_cond_broadcast T
+pthread_cond_destroy T
+pthread_cond_init T
+pthread_cond_signal T
+pthread_cond_timedwait T
+pthread_cond_wait T
+pthread_condattr_destroy T
+pthread_condattr_init T
+pthread_condattr_setclock T
 pthread_create W
-pthread_detach W
-pthread_equal W
-pthread_exit W
-pthread_getspecific W
-pthread_join W
-pthread_key_create W
-pthread_key_delete W
-pthread_kill W
-pthread_main_np W
-pthread_mutex_destroy W
-pthread_mutex_init W
-pthread_mutex_lock W
-pthread_mutex_trylock W
-pthread_mutex_unlock W
-pthread_mutexattr_destroy W
-pthread_mutexattr_init W
-pthread_mutexattr_settype W
-pthread_once W
-pthread_rwlock_destroy W
-pthread_rwlock_init W
-pthread_rwlock_rdlock W
-pthread_rwlock_tryrdlock W
-pthread_rwlock_trywrlock W
-pthread_rwlock_unlock W
-pthread_rwlock_wrlock W
-pthread_self W
-pthread_setcancelstate W
-pthread_setcanceltype W
-pthread_setspecific W
-pthread_sigmask W
-pthread_testcancel W
+pthread_detach T
+pthread_equal T
+pthread_exit T
+pthread_getspecific T
+pthread_join T
+pthread_key_create T
+pthread_key_delete T
+pthread_kill T
+pthread_main_np T
+pthread_mutex_destroy T
+pthread_mutex_init T
+pthread_mutex_lock T
+pthread_mutex_trylock T
+pthread_mutex_unlock T
+pthread_mutexattr_destroy T
+pthread_mutexattr_init T
+pthread_mutexattr_settype T
+pthread_once T
+pthread_rwlock_destroy T
+pthread_rwlock_init T
+pthread_rwlock_rdlock T
+pthread_rwlock_tryrdlock T
+pthread_rwlock_trywrlock T
+pthread_rwlock_unlock T
+pthread_rwlock_wrlock T
+pthread_self T
+pthread_setcancelstate T
+pthread_setcanceltype T
+pthread_setspecific T
+pthread_sigmask T
+pthread_testcancel T
 ptsname T
 putc T
 putc_unlocked T
@ -607,9 +613,19 @@ sched_yield W
 seed48 T
 seekdir T
 select W
+sem_close T
 semctl T
+sem_destroy T
+sem_getvalue T
 semget W
+sem_init T
+sem_open T
 semop W
+sem_post T
+sem_timedwait T
+sem_trywait T
+sem_unlink T
+sem_wait T
 send T
 sendto T
 setbuf T
@ -914,7 +930,6 @@ _CurrentRuneLocale D 8
 __isinff T
 __isinfl T

-
 #
 # Public interface between Genode-component code and the libc runtime
 #
@ -928,6 +943,11 @@ _ZN4Libc19Select_handler_baseD1Ev T
 _ZN4Libc19Select_handler_baseD2Ev T
 _ZN4Libc10resume_allEv T
 _ZN4Libc7suspendERNS_15Suspend_functorEm T
+_Z16pthread_registryv T
+_ZN16Pthread_registry6insertEP7pthread T
+_ZN16Pthread_registry6removeEP7pthread T
+_ZN16Pthread_registry8containsEP7pthread T
+_ZN4Libc14pthread_createEPP7pthreadPFPvS3_ES3_mPKcPN6Genode11Cpu_sessionENS8_8Affinity8LocationE T

 #
 # Libc plugin interface
--- a/repos/libports/ports/libc.hash
+++ b/repos/libports/ports/libc.hash
@ -1 +1 @@
-5a5de5baab6e3ce23f24012a7604abf070fa990c
+c9cbd0d0fe35cc19c71295a02d67ecbe09a14573
--- a/repos/libports/recipes/api/libc/content.mk
+++ b/repos/libports/recipes/api/libc/content.mk
@ -1,8 +1,6 @@
 MIRROR_FROM_REP_DIR := lib/import/import-libc.mk \
                       lib/symbols/libc \
                       lib/symbols/libm \
-                       lib/mk/pthread.mk \
-                       src/lib/pthread

 content: $(MIRROR_FROM_REP_DIR)

--- a/repos/libports/recipes/pkg/qt5_textedit/runtime
+++ b/repos/libports/recipes/pkg/qt5_textedit/runtime
@ -20,7 +20,6 @@
 		<rom label="libpng.lib.so"/>
 		<rom label="mesa.lib.so"/>
 		<rom label="pcre16.lib.so"/>
-		<rom label="pthread.lib.so"/>
 		<rom label="qt5_core.lib.so"/>
 		<rom label="qt5_dejavusans.tar"/>
 		<rom label="qt5_gui.lib.so"/>
--- a/repos/libports/recipes/pkg/test-libc_pipe/runtime
+++ b/repos/libports/recipes/pkg/test-libc_pipe/runtime
@ -12,7 +12,6 @@
 		<rom label="vfs.lib.so"/>
 		<rom label="libm.lib.so"/>
 		<rom label="libc_pipe.lib.so"/>
-		<rom label="pthread.lib.so"/>
 		<rom label="posix.lib.so"/>
 		<rom label="test-libc_pipe"/>
 	</content>
--- a/repos/libports/recipes/pkg/test-pthread/runtime
+++ b/repos/libports/recipes/pkg/test-pthread/runtime
@ -12,7 +12,6 @@
 		<rom label="libm.lib.so"/>
 		<rom label="posix.lib.so"/>
 		<rom label="vfs.lib.so"/>
-		<rom label="pthread.lib.so"/>
 		<rom label="test-pthread"/>
 	</content>

--- a/repos/libports/run/avplay.run
+++ b/repos/libports/run/avplay.run
@ -113,7 +113,7 @@ install_config $config

 append boot_modules {
 	core init timer } [audio_drv_binary] { avplay
-	ld.lib.so libc.lib.so vfs.lib.so vfs.lib.so vfs.lib.so libm.lib.so pthread.lib.so zlib.lib.so sdl.lib.so
+	ld.lib.so libc.lib.so vfs.lib.so vfs.lib.so vfs.lib.so libm.lib.so zlib.lib.so sdl.lib.so
 	avfilter.lib.so avutil.lib.so avcodec.lib.so avformat.lib.so swscale.lib.so
 	avresample.lib.so
 	mediafile
--- a/repos/libports/run/fetchurl.inc
+++ b/repos/libports/run/fetchurl.inc
@ -110,7 +110,6 @@ set boot_modules {
 	libcrypto.lib.so
 	libssh.lib.so
 	libssl.lib.so
-	pthread.lib.so
 	timer
 	zlib.lib.so
 	report_rom
--- a/repos/libports/run/libc_select.run
+++ b/repos/libports/run/libc_select.run
@ -68,7 +68,7 @@ install_config $config
 set boot_modules {
 	core init timer terminal_crosslink
 	test-libc_counter-source test-libc_select
-	ld.lib.so libc.lib.so vfs.lib.so libm.lib.so stdcxx.lib.so pthread.lib.so
+	ld.lib.so libc.lib.so vfs.lib.so libm.lib.so stdcxx.lib.so
 	libc_pipe.lib.so posix.lib.so
 }

--- a/repos/libports/run/libc_vfs_select.run
+++ b/repos/libports/run/libc_vfs_select.run
@ -77,7 +77,7 @@ install_config $config
 set boot_modules {
 	core init timer terminal_crosslink vfs
 	test-libc_counter-source test-libc_select
-	ld.lib.so libc.lib.so vfs.lib.so libm.lib.so stdcxx.lib.so pthread.lib.so
+	ld.lib.so libc.lib.so vfs.lib.so libm.lib.so stdcxx.lib.so
 	libc_pipe.lib.so posix.lib.so
 }

--- a/repos/libports/run/mesa.inc
+++ b/repos/libports/run/mesa.inc
@ -179,7 +179,7 @@ set boot_modules {
 	core init ld.lib.so timer nitpicker pointer liquid_fb
 	launchpad

-	libc.lib.so vfs.lib.so libm.lib.so pthread.lib.so
+	libc.lib.so vfs.lib.so libm.lib.so
 	egl.lib.so mesa.lib.so stdcxx.lib.so
 	expat.lib.so glapi.lib.so

--- a/repos/libports/run/sdl.run
+++ b/repos/libports/run/sdl.run
@ -85,7 +85,7 @@ set boot_modules {
 	core init
 	timer
 	test-sdl
-	ld.lib.so libc.lib.so vfs.lib.so libm.lib.so sdl.lib.so pthread.lib.so
+	ld.lib.so libc.lib.so vfs.lib.so libm.lib.so sdl.lib.so
 }

 # platform-specific modules
--- a/repos/libports/run/smartcard.run
+++ b/repos/libports/run/smartcard.run
@ -112,7 +112,7 @@ install_config $config
 set boot_modules {
 	core init timer usb_drv test-smartcard
 	ld.lib.so pcsc-lite.lib.so ccid.lib.so libusb.lib.so
-	libc.lib.so vfs.lib.so libm.lib.so libc_pipe.lib.so pthread.lib.so posix.lib.so
+	libc.lib.so vfs.lib.so libm.lib.so libc_pipe.lib.so posix.lib.so
 	Info.plist
 }

--- a/repos/libports/src/app/fetchurl/target.mk
+++ b/repos/libports/src/app/fetchurl/target.mk
@ -1,3 +1,3 @@
 TARGET = fetchurl
-LIBS  += curl libc ld pthread
+LIBS  += curl libc ld
 SRC_CC = component.cc
--- a/repos/libports/src/lib/libc/dummies.cc
+++ b/repos/libports/src/lib/libc/dummies.cc
@ -91,7 +91,6 @@ DUMMY(void *,  0, ___mtctxres, (void))
 DUMMY(void *,  0, __nsdefaultsrc, (void))
 DUMMY(int   , -1, _nsdispatch, (void))
 DUMMY(long  , -1, pathconf, (const char *, int))
-DUMMY(int   , -1, pthread_create, (pthread_t *, const pthread_attr_t *, void *(*)(void *), void *))
 DUMMY(int   , -1, rmdir, (const char *))
 DUMMY(void *,  0, sbrk, (intptr_t))
 DUMMY(int   , -1, sched_setparam, (pid_t, const sched_param *))
--- a/repos/libports/src/lib/libc/patches/pthread_cancel.patch
+++ b/repos/libports/src/lib/libc/patches/pthread_cancel.patch
@ -1,10 +0,0 @@
-+++ src/lib/libc/lib/libc/gen/_pthread_stubs.c
-@@ -253,7 +253,7 @@
- STUB_FUNC2(pthread_attr_setschedparam, PJT_ATTR_SETSCHEDPARAM, int, void *, void *)
- STUB_FUNC2(pthread_attr_setschedpolicy, PJT_ATTR_SETSCHEDPOLICY, int, void *, int)
- STUB_FUNC2(pthread_attr_setscope, PJT_ATTR_SETSCOPE, int, void *, int)
-STUB_FUNC1(pthread_cancel, PJT_CANCEL, int, void *)
-+/* STUB_FUNC1(pthread_cancel, PJT_CANCEL, int, void *) */
- STUB_FUNC1(pthread_cleanup_pop, PJT_CLEANUP_POP, int, int)
- STUB_FUNC2(pthread_cleanup_push, PJT_CLEANUP_PUSH, void, void *, void *)
- STUB_FUNC3(pthread_cond_timedwait, PJT_COND_TIMEDWAIT, int, void *, void *, void *)
--- a/repos/libports/src/lib/pthread/rwlock.cc
+++ b/repos/libports/src/lib/pthread/rwlock.cc
--- a/repos/libports/src/lib/pthread/semaphore.cc
+++ b/repos/libports/src/lib/pthread/semaphore.cc
--- a/repos/libports/src/lib/pthread/thread.cc
+++ b/repos/libports/src/lib/pthread/thread.cc
@ -22,8 +22,7 @@
 #include <pthread.h>
 #include <stdlib.h> /* malloc, free */
 #include "thread.h"
-
-#include <libc/task.h> /* libc suspend/resume */
+#include "task.h"

 using namespace Genode;

--- a/repos/libports/src/lib/pthread/thread.h
+++ b/repos/libports/src/lib/pthread/thread.h
--- a/repos/libports/src/lib/pthread/thread_create.cc
+++ b/repos/libports/src/lib/pthread/thread_create.cc
@ -14,11 +14,28 @@
 * under the terms of the GNU Affero General Public License version 3.
 */

-#include <base/thread.h>
-
-#include <errno.h>
-#include <pthread.h>
+#include "thread_create.h"
 #include "thread.h"
+#include <errno.h>
+
+
+int Libc::pthread_create(pthread_t *thread,
+                         void *(*start_routine) (void *), void *arg,
+                         size_t stack_size, char const * name,
+                         Genode::Cpu_session * cpu, Genode::Affinity::Location location)
+{
+		pthread_t thread_obj = new pthread(start_routine, arg,
+		                                   stack_size, name, cpu, location);
+		if (!thread_obj)
+			return EAGAIN;
+
+		*thread = thread_obj;
+
+		thread_obj->start();
+
+		return 0;
+}
+

 extern "C"
 {
@ -29,17 +46,8 @@ extern "C"
 		                        ? (*attr)->stack_size
 		                        : Libc::Component::stack_size();

-		pthread_t thread_obj = new pthread(start_routine, arg, stack_size,
-		                                   "pthread", nullptr,
-		                                   Genode::Affinity::Location());
-
-		if (!thread_obj)
-			return EAGAIN;
-
-		*thread = thread_obj;
-
-		thread_obj->start();
-
-		return 0;
+		return Libc::pthread_create(thread, start_routine, arg, stack_size,
+		                            "pthread", nullptr,
+		                            Genode::Affinity::Location());
 	}
 }
--- a/repos/libports/src/lib/libc/thread_create.h
+++ b/repos/libports/src/lib/libc/thread_create.h
@ -0,0 +1,24 @@
+/*
+ * \brief  Create custom pthreads with native CPU sessions and affinities
+ * \author Emery Hemingway
+ * \date   2018-11-22
+ *
+ * The Libc::pthread_create symbol is exported for the sake of Vbox
+ */
+
+/*
+ * Copyright (C) 2018 Genode Labs GmbH
+ *
+ * This file is part of the Genode OS framework, which is distributed
+ * under the terms of the GNU Affero General Public License version 3.
+ */
+
+#include <pthread.h>
+#include <base/thread.h>
+
+namespace Libc {
+	int pthread_create(pthread_t *thread,
+	                   void *(*start_routine) (void *), void *arg,
+	                   size_t stack_size, char const * name,
+	                   Genode::Cpu_session * cpu, Genode::Affinity::Location location);
+}
--- a/repos/libports/src/test/libc_pipe/target.mk
+++ b/repos/libports/src/test/libc_pipe/target.mk
@ -1,5 +1,5 @@
 TARGET = test-libc_pipe
-LIBS   = base posix libc_pipe pthread
+LIBS   = base posix libc_pipe
 SRC_CC = main.cc

 CC_CXX_WARN_STRICT =
--- a/repos/libports/src/test/libc_select/target.mk
+++ b/repos/libports/src/test/libc_select/target.mk
@ -1,5 +1,5 @@
 TARGET = test-libc_select
 SRC_CC = main.cc
-LIBS   = posix stdcxx pthread libc_pipe
+LIBS   = posix stdcxx libc_pipe

 CC_CXX_WARN_STRICT =
--- a/repos/libports/src/test/pthread/target.mk
+++ b/repos/libports/src/test/pthread/target.mk
@ -1,5 +1,5 @@
 TARGET   = test-pthread
 SRC_CC   = main.cc
-LIBS     = base posix pthread
+LIBS     = base posix

 CC_CXX_WARN_STRICT =
--- a/repos/ports/lib/mk/jvm.inc
+++ b/repos/ports/lib/mk/jvm.inc
@ -2,7 +2,7 @@
 # /build/jdk/openjdk-jdk9-jdk9/build/linux-x86_64-normal-zero-release/hotspot/variant-zero/gensrc/jvmtifiles/jvmtiEnter.cpp
 # /build/jdk/openjdk-jdk9-jdk9/build/linux-x86_64-normal-zero-release/hotspot/variant-zero/gensrc/jvmtifiles/jvmtiEnterTrace.cpp

-LIBS          = stdcxx pthread jzip jimage nio jnet ffi
+LIBS          = stdcxx jzip jimage nio jnet ffi
 SHARED_LIB    = yes
 HOTSPOT_BASE  = $(call select_from_ports,jdk)/src/app/jdk/hotspot/src
 JDK_GENERATED = $(call select_from_ports,jdk_generated)/src/app/jdk
--- a/repos/ports/lib/mk/spec/nova/virtualbox-nova.mk
+++ b/repos/ports/lib/mk/spec/nova/virtualbox-nova.mk
@ -11,7 +11,6 @@ LIBS  += stdcxx
 SRC_CC = sup.cc pgm.cc

 INC_DIR += $(call select_from_repositories,src/lib/libc)
-INC_DIR += $(call select_from_repositories,src/lib/pthread)

 INC_DIR += $(VBOX_DIR)/Main/xml
 INC_DIR += $(VBOX_DIR)/Main/include
--- a/repos/ports/lib/mk/spec/nova/virtualbox5-nova.mk
+++ b/repos/ports/lib/mk/spec/nova/virtualbox5-nova.mk
@ -5,7 +5,6 @@ LIBS  += stdcxx
 SRC_CC = sup.cc pgm.cc

 INC_DIR += $(call select_from_repositories,src/lib/libc)
-INC_DIR += $(call select_from_repositories,src/lib/pthread)

 INC_DIR += $(VIRTUALBOX_DIR)/VBoxAPIWrap

--- a/repos/ports/recipes/pkg/arora/runtime
+++ b/repos/ports/recipes/pkg/arora/runtime
@ -23,7 +23,6 @@
 		<rom label="libpng.lib.so"/>
 		<rom label="mesa.lib.so"/>
 		<rom label="pcre16.lib.so"/>
-		<rom label="pthread.lib.so"/>
 		<rom label="qt5_core.lib.so"/>
 		<rom label="qt5_dejavusans.tar"/>
 		<rom label="qt5_gui.lib.so"/>
--- a/repos/ports/recipes/pkg/vbox5-nova-sculpt/runtime
+++ b/repos/ports/recipes/pkg/vbox5-nova-sculpt/runtime
@ -17,7 +17,6 @@
 		<rom label="libc_pipe.lib.so"/>
 		<rom label="libc_terminal.lib.so"/>
 		<rom label="libm.lib.so"/>
-		<rom label="pthread.lib.so"/>
 		<rom label="libiconv.lib.so"/>
 		<rom label="qemu-usb.lib.so"/>
 		<rom label="stdcxx.lib.so"/>
--- a/repos/ports/recipes/src/vbox5-nova/content.mk
+++ b/repos/ports/recipes/src/vbox5-nova/content.mk
@ -52,7 +52,8 @@ MIRROR_FROM_LIBPORTS := lib/mk/libc_pipe.mk \
                        src/lib/libc/libc_mem_alloc.cc \
                        src/lib/libc/libc_mem_alloc.h \
                        src/lib/libc/libc_init.h \
-                        src/lib/libc/libc_errno.h \
+                        src/lib/libc/thread_create.h \
+                        src/lib/libc/thread.h \
                        include/libc-plugin \
                        lib/import/import-qemu-usb_include.mk \
                        lib/mk/qemu-usb_include.mk \
--- a/repos/ports/run/dosbox.run
+++ b/repos/ports/run/dosbox.run
@ -123,7 +123,7 @@ append boot_modules {
 	ld.lib.so
 	libc.lib.so vfs.lib.so
 	libm.lib.so libpng.lib.so
-	stdcxx.lib.so sdl.lib.so sdl_net.lib.so pthread.lib.so zlib.lib.so
+	stdcxx.lib.so sdl.lib.so sdl_net.lib.so zlib.lib.so
 	dosbox dosbox.tar
 }

--- a/repos/ports/run/java.run
+++ b/repos/ports/run/java.run
@ -91,7 +91,7 @@ set boot_modules {
 	java.lib.so jvm.lib.so jzip.lib.so jimage.lib.so
 	libc.lib.so libm.lib.so libc_pipe.lib.so
 	zlib.lib.so nio.lib.so jnet.lib.so
-	posix.lib.so pthread.lib.so stdcxx.lib.so ffi.lib.so
+	posix.lib.so stdcxx.lib.so ffi.lib.so
 	vfs.lib.so
 	classes.tar hello.tar
 }
--- a/repos/ports/run/vbox5_genode_usb_hid.run
+++ b/repos/ports/run/vbox5_genode_usb_hid.run
@ -217,7 +217,7 @@ set boot_modules {
 	virtualbox5-nova
 	usb_hid.iso
 	vm_genode_usb_hid.vbox
-	ld.lib.so libc.lib.so vfs.lib.so libm.lib.so pthread.lib.so libc_pipe.lib.so
+	ld.lib.so libc.lib.so vfs.lib.so libm.lib.so libc_pipe.lib.so
 	libc_terminal.lib.so libiconv.lib.so stdcxx.lib.so
 	qemu-usb.lib.so
 }
--- a/repos/ports/run/verify.run
+++ b/repos/ports/run/verify.run
@ -47,7 +47,7 @@ exec tar cf [run_dir]/genode/test.tar -C [genode_dir]/repos/ports/src/app/verify

 file copy [genode_dir]/depot/nfeske/pubkey [run_dir]/genode/pubkey

-build_boot_image { verify libc.lib.so vfs.lib.so pthread.lib.so }
+build_boot_image { verify libc.lib.so vfs.lib.so }

 append qemu_args " -nographic "

--- a/repos/ports/run/virtualbox.run
+++ b/repos/ports/run/virtualbox.run
@ -310,7 +310,7 @@ lappend_if [expr         $use_gui] boot_modules nit_fb
 lappend_if [expr         $use_gui] boot_modules pointer

 append boot_modules {
-	ld.lib.so libc.lib.so vfs.lib.so libm.lib.so pthread.lib.so libc_pipe.lib.so
+	ld.lib.so libc.lib.so vfs.lib.so libm.lib.so libc_pipe.lib.so
 	libc_terminal.lib.so libiconv.lib.so stdcxx.lib.so
 	qemu-usb.lib.so
 }
--- a/repos/ports/run/virtualbox_auto.inc
+++ b/repos/ports/run/virtualbox_auto.inc
@ -367,7 +367,7 @@ install_config $config
 append boot_modules {
 	core init timer
 	part_blk ahci_drv fs_rom
-	ld.lib.so libc.lib.so vfs.lib.so libm.lib.so pthread.lib.so
+	ld.lib.so libc.lib.so vfs.lib.so libm.lib.so
 	libc_pipe.lib.so libc_terminal.lib.so
 	libiconv.lib.so stdcxx.lib.so
 	qemu-usb.lib.so
--- a/repos/ports/run/virtualbox_nic_router.run
+++ b/repos/ports/run/virtualbox_nic_router.run
@ -376,7 +376,6 @@ append boot_modules { virtualbox_nic_router.vbox }
 append boot_modules { ld.lib.so }
 append boot_modules { libc.lib.so }
 append boot_modules { libm.lib.so }
-append boot_modules { pthread.lib.so }
 append boot_modules { libc_pipe.lib.so }
 append boot_modules { libc_terminal.lib.so }
 append boot_modules { libiconv.lib.so }
--- a/repos/ports/src/app/verify/target.mk
+++ b/repos/ports/src/app/verify/target.mk
@ -1,6 +1,6 @@
 TARGET   = verify
 SRC_CC   = main.cc
-LIBS     = base libc pthread libgcrypt
+LIBS     = base libc libgcrypt

 GNUPG_SRC_DIR := $(call select_from_ports,gnupg)/src/app/gnupg/g10

--- a/repos/ports/src/virtualbox/libc.cc
+++ b/repos/ports/src/virtualbox/libc.cc
@ -25,8 +25,6 @@
 #include <errno.h>
 #include <fcntl.h>        /* open */

-#include "libc_errno.h"
-
 /* Genode specific Vbox include */
 #include "vmm.h"

@ -248,8 +246,10 @@ extern "C" int _sigprocmask()
 */
 extern "C" int statfs(const char *path, struct statfs *buf)
 {
-	if (!buf)
-		return Libc::Errno(EFAULT);
+	if (!buf) {
+		errno = EFAULT;
+		return -1;
+	}

 	int fd = open(path, 0);

--- a/repos/ports/src/virtualbox/target.inc
+++ b/repos/ports/src/virtualbox/target.inc
@ -27,12 +27,11 @@ LIBS  += virtualbox-bios virtualbox-recompiler virtualbox-runtime \
         virtualbox-storage virtualbox-zlib virtualbox-liblzf \
         virtualbox-xml virtualbox-main

-LIBS  += pthread libc_terminal libc_pipe libiconv
+LIBS  += libc_terminal libc_pipe libiconv

 LIBS  += qemu-usb

 INC_DIR += $(call select_from_repositories,src/lib/libc)
-INC_DIR += $(call select_from_repositories,src/lib/pthread)

 INC_DIR += $(VBOX_DIR)/Runtime/include

--- a/repos/ports/src/virtualbox/thread.cc
+++ b/repos/ports/src/virtualbox/thread.cc
@ -17,7 +17,7 @@
 #include <cpu_session/connection.h>

 /* Genode libc pthread binding */
-#include "thread.h"
+#include <thread_create.h>

 #include "sup.h"
 #include "vmm.h"
@ -98,19 +98,10 @@ static int create_thread(pthread_t *thread, const pthread_attr_t *attr,
 		 */
 	}

-	pthread_t thread_obj = new (vmm_heap())
-		pthread(start_routine, arg, stack_size, rtthread->szName,
-		        cpu_connection(rtthread->enmType),
-		        Genode::Affinity::Location());
-
-	if (!thread_obj)
-		return EAGAIN;
-
-	*thread = thread_obj;
-
-	thread_obj->start();
-
-	return 0;
+	return Libc::pthread_create(thread, start_routine, arg,
+	                            stack_size, rtthread->szName,
+	                            cpu_connection(rtthread->enmType),
+	                            Genode::Affinity::Location());
 }

 extern "C" int pthread_create(pthread_t *thread, const pthread_attr_t *attr,
--- a/repos/ports/src/virtualbox5/target.inc
+++ b/repos/ports/src/virtualbox5/target.inc
@ -28,12 +28,11 @@ LIBS  += virtualbox5-bios virtualbox5-recompiler virtualbox5-runtime \
         virtualbox5-xml virtualbox5-main virtualbox5-apiwrap \
         virtualbox5-dis

-LIBS  += pthread libc_terminal libc_pipe libiconv
+LIBS  += libc_terminal libc_pipe libiconv

 LIBS  += qemu-usb

 INC_DIR += $(call select_from_repositories,src/lib/libc)
-INC_DIR += $(call select_from_repositories,src/lib/pthread)

 INC_DIR += $(VBOX_DIR)/Runtime/include