diff --git a/libc/bionic/fork.c b/libc/bionic/fork.c
index 0eedb01..2d5a10a 100644
--- a/libc/bionic/fork.c
+++ b/libc/bionic/fork.c
@@ -27,6 +27,7 @@
  */
 #include <unistd.h>
 #include "pthread_internal.h"
+#include "bionic_pthread.h"
 #include "cpuacct.h"
 
 extern int  __fork(void);
@@ -48,6 +49,9 @@
         __timer_table_start_stop(0);
         __bionic_atfork_run_parent();
     } else {
+        /* Adjusting the kernel id after a fork */
+        (void)__pthread_settid(pthread_self(), gettid());
+
         /*
          * Newly created process must update cpu accounting.
          * Call cpuacct_add passing in our uid, which will take
diff --git a/libc/bionic/pthread-atfork.c b/libc/bionic/pthread-atfork.c
index 3a5189d..42420dc 100644
--- a/libc/bionic/pthread-atfork.c
+++ b/libc/bionic/pthread-atfork.c
@@ -74,6 +74,7 @@
 void __bionic_atfork_run_child()
 {
     struct atfork_t *cursor;
+    pthread_mutexattr_t  attr;
 
     /* Call pthread_atfork() child handlers */
     for (cursor = atfork_head.cqh_first;
@@ -84,7 +85,9 @@
         }
     }
 
-    pthread_mutex_unlock(&handler_mutex);
+    pthread_mutexattr_init(&attr);
+    pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
+    pthread_mutex_init(&handler_mutex, &attr);
 }
 
 void __bionic_atfork_run_parent()
diff --git a/libc/bionic/pthread.c b/libc/bionic/pthread.c
index d9ca432..fdfe508 100644
--- a/libc/bionic/pthread.c
+++ b/libc/bionic/pthread.c
@@ -2292,3 +2292,14 @@
     pthread_internal_t* thread = (pthread_internal_t*)thid;
     return thread->kernel_id;
 }
+
+int __pthread_settid(pthread_t thid, pid_t tid)
+{
+    if (thid == 0)
+        return EINVAL;
+
+    pthread_internal_t* thread = (pthread_internal_t*)thid;
+    thread->kernel_id = tid;
+
+    return 0;
+}
diff --git a/libc/kernel/common/linux/usb/ch9.h b/libc/kernel/common/linux/usb/ch9.h
new file mode 100644
index 0000000..126f16d
--- /dev/null
+++ b/libc/kernel/common/linux/usb/ch9.h
@@ -0,0 +1,504 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   This header was automatically generated from a Linux kernel header
+ ***   of the same name, to make information necessary for userspace to
+ ***   call into the kernel available to libc.  It contains only constants,
+ ***   structures, and macros generated from the original header, and thus,
+ ***   contains no copyrightable information.
+ ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef __LINUX_USB_CH9_H
+#define __LINUX_USB_CH9_H
+#include <linux/types.h>  
+#include <asm/byteorder.h>  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define USB_DIR_OUT 0  
+#define USB_DIR_IN 0x80  
+#define USB_TYPE_MASK (0x03 << 5)
+#define USB_TYPE_STANDARD (0x00 << 5)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define USB_TYPE_CLASS (0x01 << 5)
+#define USB_TYPE_VENDOR (0x02 << 5)
+#define USB_TYPE_RESERVED (0x03 << 5)
+#define USB_RECIP_MASK 0x1f
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define USB_RECIP_DEVICE 0x00
+#define USB_RECIP_INTERFACE 0x01
+#define USB_RECIP_ENDPOINT 0x02
+#define USB_RECIP_OTHER 0x03
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define USB_RECIP_PORT 0x04
+#define USB_RECIP_RPIPE 0x05
+#define USB_REQ_GET_STATUS 0x00
+#define USB_REQ_CLEAR_FEATURE 0x01
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define USB_REQ_SET_FEATURE 0x03
+#define USB_REQ_SET_ADDRESS 0x05
+#define USB_REQ_GET_DESCRIPTOR 0x06
+#define USB_REQ_SET_DESCRIPTOR 0x07
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define USB_REQ_GET_CONFIGURATION 0x08
+#define USB_REQ_SET_CONFIGURATION 0x09
+#define USB_REQ_GET_INTERFACE 0x0A
+#define USB_REQ_SET_INTERFACE 0x0B
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define USB_REQ_SYNCH_FRAME 0x0C
+#define USB_REQ_SET_SEL 0x30
+#define USB_REQ_SET_ENCRYPTION 0x0D  
+#define USB_REQ_GET_ENCRYPTION 0x0E
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define USB_REQ_RPIPE_ABORT 0x0E
+#define USB_REQ_SET_HANDSHAKE 0x0F
+#define USB_REQ_RPIPE_RESET 0x0F
+#define USB_REQ_GET_HANDSHAKE 0x10
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define USB_REQ_SET_CONNECTION 0x11
+#define USB_REQ_SET_SECURITY_DATA 0x12
+#define USB_REQ_GET_SECURITY_DATA 0x13
+#define USB_REQ_SET_WUSB_DATA 0x14
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define USB_REQ_LOOPBACK_DATA_WRITE 0x15
+#define USB_REQ_LOOPBACK_DATA_READ 0x16
+#define USB_REQ_SET_INTERFACE_DS 0x17
+#define USB_DEVICE_SELF_POWERED 0  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define USB_DEVICE_REMOTE_WAKEUP 1  
+#define USB_DEVICE_TEST_MODE 2  
+#define USB_DEVICE_BATTERY 2  
+#define USB_DEVICE_B_HNP_ENABLE 3  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define USB_DEVICE_WUSB_DEVICE 3  
+#define USB_DEVICE_A_HNP_SUPPORT 4  
+#define USB_DEVICE_A_ALT_HNP_SUPPORT 5  
+#define USB_DEVICE_DEBUG_MODE 6  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define TEST_J 1
+#define TEST_K 2
+#define TEST_SE0_NAK 3
+#define TEST_PACKET 4
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define TEST_FORCE_EN 5
+#define USB_DEVICE_U1_ENABLE 48  
+#define USB_DEVICE_U2_ENABLE 49  
+#define USB_DEVICE_LTM_ENABLE 50  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define USB_INTRF_FUNC_SUSPEND 0  
+#define USB_INTR_FUNC_SUSPEND_OPT_MASK 0xFF00
+#define USB_INTRF_FUNC_SUSPEND_LP (1 << (8 + 0))
+#define USB_INTRF_FUNC_SUSPEND_RW (1 << (8 + 1))
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define USB_ENDPOINT_HALT 0  
+#define USB_DEV_STAT_U1_ENABLED 2  
+#define USB_DEV_STAT_U2_ENABLED 3  
+#define USB_DEV_STAT_LTM_ENABLED 4  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+struct usb_ctrlrequest {
+ __u8 bRequestType;
+ __u8 bRequest;
+ __le16 wValue;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __le16 wIndex;
+ __le16 wLength;
+} __attribute__ ((packed));
+#define USB_DT_DEVICE 0x01
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define USB_DT_CONFIG 0x02
+#define USB_DT_STRING 0x03
+#define USB_DT_INTERFACE 0x04
+#define USB_DT_ENDPOINT 0x05
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define USB_DT_DEVICE_QUALIFIER 0x06
+#define USB_DT_OTHER_SPEED_CONFIG 0x07
+#define USB_DT_INTERFACE_POWER 0x08
+#define USB_DT_OTG 0x09
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define USB_DT_DEBUG 0x0a
+#define USB_DT_INTERFACE_ASSOCIATION 0x0b
+#define USB_DT_SECURITY 0x0c
+#define USB_DT_KEY 0x0d
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define USB_DT_ENCRYPTION_TYPE 0x0e
+#define USB_DT_BOS 0x0f
+#define USB_DT_DEVICE_CAPABILITY 0x10
+#define USB_DT_WIRELESS_ENDPOINT_COMP 0x11
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define USB_DT_WIRE_ADAPTER 0x21
+#define USB_DT_RPIPE 0x22
+#define USB_DT_CS_RADIO_CONTROL 0x23
+#define USB_DT_PIPE_USAGE 0x24
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define USB_DT_SS_ENDPOINT_COMP 0x30
+#define USB_DT_CS_DEVICE (USB_TYPE_CLASS | USB_DT_DEVICE)
+#define USB_DT_CS_CONFIG (USB_TYPE_CLASS | USB_DT_CONFIG)
+#define USB_DT_CS_STRING (USB_TYPE_CLASS | USB_DT_STRING)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define USB_DT_CS_INTERFACE (USB_TYPE_CLASS | USB_DT_INTERFACE)
+#define USB_DT_CS_ENDPOINT (USB_TYPE_CLASS | USB_DT_ENDPOINT)
+struct usb_descriptor_header {
+ __u8 bLength;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u8 bDescriptorType;
+} __attribute__ ((packed));
+struct usb_device_descriptor {
+ __u8 bLength;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u8 bDescriptorType;
+ __le16 bcdUSB;
+ __u8 bDeviceClass;
+ __u8 bDeviceSubClass;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u8 bDeviceProtocol;
+ __u8 bMaxPacketSize0;
+ __le16 idVendor;
+ __le16 idProduct;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __le16 bcdDevice;
+ __u8 iManufacturer;
+ __u8 iProduct;
+ __u8 iSerialNumber;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u8 bNumConfigurations;
+} __attribute__ ((packed));
+#define USB_DT_DEVICE_SIZE 18
+#define USB_CLASS_PER_INTERFACE 0  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define USB_CLASS_AUDIO 1
+#define USB_CLASS_COMM 2
+#define USB_CLASS_HID 3
+#define USB_CLASS_PHYSICAL 5
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define USB_CLASS_STILL_IMAGE 6
+#define USB_CLASS_PRINTER 7
+#define USB_CLASS_MASS_STORAGE 8
+#define USB_CLASS_HUB 9
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define USB_CLASS_CDC_DATA 0x0a
+#define USB_CLASS_CSCID 0x0b  
+#define USB_CLASS_CONTENT_SEC 0x0d  
+#define USB_CLASS_VIDEO 0x0e
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define USB_CLASS_WIRELESS_CONTROLLER 0xe0
+#define USB_CLASS_MISC 0xef
+#define USB_CLASS_APP_SPEC 0xfe
+#define USB_CLASS_VENDOR_SPEC 0xff
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define USB_SUBCLASS_VENDOR_SPEC 0xff
+struct usb_config_descriptor {
+ __u8 bLength;
+ __u8 bDescriptorType;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __le16 wTotalLength;
+ __u8 bNumInterfaces;
+ __u8 bConfigurationValue;
+ __u8 iConfiguration;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u8 bmAttributes;
+ __u8 bMaxPower;
+} __attribute__ ((packed));
+#define USB_DT_CONFIG_SIZE 9
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define USB_CONFIG_ATT_ONE (1 << 7)  
+#define USB_CONFIG_ATT_SELFPOWER (1 << 6)  
+#define USB_CONFIG_ATT_WAKEUP (1 << 5)  
+#define USB_CONFIG_ATT_BATTERY (1 << 4)  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+struct usb_string_descriptor {
+ __u8 bLength;
+ __u8 bDescriptorType;
+ __le16 wData[1];
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+} __attribute__ ((packed));
+struct usb_interface_descriptor {
+ __u8 bLength;
+ __u8 bDescriptorType;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u8 bInterfaceNumber;
+ __u8 bAlternateSetting;
+ __u8 bNumEndpoints;
+ __u8 bInterfaceClass;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u8 bInterfaceSubClass;
+ __u8 bInterfaceProtocol;
+ __u8 iInterface;
+} __attribute__ ((packed));
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define USB_DT_INTERFACE_SIZE 9
+struct usb_endpoint_descriptor {
+ __u8 bLength;
+ __u8 bDescriptorType;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u8 bEndpointAddress;
+ __u8 bmAttributes;
+ __le16 wMaxPacketSize;
+ __u8 bInterval;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u8 bRefresh;
+ __u8 bSynchAddress;
+} __attribute__ ((packed));
+#define USB_DT_ENDPOINT_SIZE 7
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define USB_DT_ENDPOINT_AUDIO_SIZE 9  
+#define USB_ENDPOINT_NUMBER_MASK 0x0f  
+#define USB_ENDPOINT_DIR_MASK 0x80
+#define USB_ENDPOINT_XFERTYPE_MASK 0x03  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define USB_ENDPOINT_XFER_CONTROL 0
+#define USB_ENDPOINT_XFER_ISOC 1
+#define USB_ENDPOINT_XFER_BULK 2
+#define USB_ENDPOINT_XFER_INT 3
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define USB_ENDPOINT_MAX_ADJUSTABLE 0x80
+#define USB_ENDPOINT_SYNCTYPE 0x0c
+#define USB_ENDPOINT_SYNC_NONE (0 << 2)
+#define USB_ENDPOINT_SYNC_ASYNC (1 << 2)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define USB_ENDPOINT_SYNC_ADAPTIVE (2 << 2)
+#define USB_ENDPOINT_SYNC_SYNC (3 << 2)
+#define USB_ENDPOINT_USAGE_MASK 0x30
+#define USB_ENDPOINT_USAGE_DATA 0x00
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define USB_ENDPOINT_USAGE_FEEDBACK 0x10
+#define USB_ENDPOINT_USAGE_IMPLICIT_FB 0x20  
+struct usb_ss_ep_comp_descriptor {
+ __u8 bLength;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u8 bDescriptorType;
+ __u8 bMaxBurst;
+ __u8 bmAttributes;
+ __le16 wBytesPerInterval;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+} __attribute__ ((packed));
+#define USB_DT_SS_EP_COMP_SIZE 6
+#define USB_SS_MULT(p) (1 + ((p) & 0x3))
+struct usb_qualifier_descriptor {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u8 bLength;
+ __u8 bDescriptorType;
+ __le16 bcdUSB;
+ __u8 bDeviceClass;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u8 bDeviceSubClass;
+ __u8 bDeviceProtocol;
+ __u8 bMaxPacketSize0;
+ __u8 bNumConfigurations;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u8 bRESERVED;
+} __attribute__ ((packed));
+struct usb_otg_descriptor {
+ __u8 bLength;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u8 bDescriptorType;
+ __u8 bmAttributes;
+} __attribute__ ((packed));
+#define USB_OTG_SRP (1 << 0)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define USB_OTG_HNP (1 << 1)  
+struct usb_debug_descriptor {
+ __u8 bLength;
+ __u8 bDescriptorType;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u8 bDebugInEndpoint;
+ __u8 bDebugOutEndpoint;
+} __attribute__((packed));
+struct usb_interface_assoc_descriptor {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u8 bLength;
+ __u8 bDescriptorType;
+ __u8 bFirstInterface;
+ __u8 bInterfaceCount;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u8 bFunctionClass;
+ __u8 bFunctionSubClass;
+ __u8 bFunctionProtocol;
+ __u8 iFunction;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+} __attribute__ ((packed));
+struct usb_security_descriptor {
+ __u8 bLength;
+ __u8 bDescriptorType;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __le16 wTotalLength;
+ __u8 bNumEncryptionTypes;
+} __attribute__((packed));
+struct usb_key_descriptor {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u8 bLength;
+ __u8 bDescriptorType;
+ __u8 tTKID[3];
+ __u8 bReserved;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u8 bKeyData[0];
+} __attribute__((packed));
+struct usb_encryption_descriptor {
+ __u8 bLength;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u8 bDescriptorType;
+ __u8 bEncryptionType;
+#define USB_ENC_TYPE_UNSECURE 0
+#define USB_ENC_TYPE_WIRED 1  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define USB_ENC_TYPE_CCM_1 2  
+#define USB_ENC_TYPE_RSA_1 3  
+ __u8 bEncryptionValue;
+ __u8 bAuthKeyIndex;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+} __attribute__((packed));
+struct usb_bos_descriptor {
+ __u8 bLength;
+ __u8 bDescriptorType;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __le16 wTotalLength;
+ __u8 bNumDeviceCaps;
+} __attribute__((packed));
+#define USB_DT_BOS_SIZE 5
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+struct usb_dev_cap_header {
+ __u8 bLength;
+ __u8 bDescriptorType;
+ __u8 bDevCapabilityType;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+} __attribute__((packed));
+#define USB_CAP_TYPE_WIRELESS_USB 1
+struct usb_wireless_cap_descriptor {
+ __u8 bLength;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u8 bDescriptorType;
+ __u8 bDevCapabilityType;
+ __u8 bmAttributes;
+#define USB_WIRELESS_P2P_DRD (1 << 1)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define USB_WIRELESS_BEACON_MASK (3 << 2)
+#define USB_WIRELESS_BEACON_SELF (1 << 2)
+#define USB_WIRELESS_BEACON_DIRECTED (2 << 2)
+#define USB_WIRELESS_BEACON_NONE (3 << 2)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __le16 wPHYRates;
+#define USB_WIRELESS_PHY_53 (1 << 0)  
+#define USB_WIRELESS_PHY_80 (1 << 1)
+#define USB_WIRELESS_PHY_107 (1 << 2)  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define USB_WIRELESS_PHY_160 (1 << 3)
+#define USB_WIRELESS_PHY_200 (1 << 4)  
+#define USB_WIRELESS_PHY_320 (1 << 5)
+#define USB_WIRELESS_PHY_400 (1 << 6)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define USB_WIRELESS_PHY_480 (1 << 7)
+ __u8 bmTFITXPowerInfo;
+ __u8 bmFFITXPowerInfo;
+ __le16 bmBandGroup;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u8 bReserved;
+} __attribute__((packed));
+#define USB_CAP_TYPE_EXT 2
+struct usb_ext_cap_descriptor {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u8 bLength;
+ __u8 bDescriptorType;
+ __u8 bDevCapabilityType;
+ __le32 bmAttributes;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define USB_LPM_SUPPORT (1 << 1)  
+} __attribute__((packed));
+#define USB_DT_USB_EXT_CAP_SIZE 7
+#define USB_SS_CAP_TYPE 3
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+struct usb_ss_cap_descriptor {
+ __u8 bLength;
+ __u8 bDescriptorType;
+ __u8 bDevCapabilityType;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u8 bmAttributes;
+#define USB_LTM_SUPPORT (1 << 1)  
+ __le16 wSpeedSupported;
+#define USB_LOW_SPEED_OPERATION (1)  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define USB_FULL_SPEED_OPERATION (1 << 1)  
+#define USB_HIGH_SPEED_OPERATION (1 << 2)  
+#define USB_5GBPS_OPERATION (1 << 3)  
+ __u8 bFunctionalitySupport;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u8 bU1devExitLat;
+ __le16 bU2DevExitLat;
+} __attribute__((packed));
+#define USB_DT_USB_SS_CAP_SIZE 10
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define CONTAINER_ID_TYPE 4
+struct usb_ss_container_id_descriptor {
+ __u8 bLength;
+ __u8 bDescriptorType;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u8 bDevCapabilityType;
+ __u8 bReserved;
+ __u8 ContainerID[16];
+} __attribute__((packed));
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define USB_DT_USB_SS_CONTN_ID_SIZE 20
+struct usb_wireless_ep_comp_descriptor {
+ __u8 bLength;
+ __u8 bDescriptorType;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u8 bMaxBurst;
+ __u8 bMaxSequence;
+ __le16 wMaxStreamDelay;
+ __le16 wOverTheAirPacketSize;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u8 bOverTheAirInterval;
+ __u8 bmCompAttributes;
+#define USB_ENDPOINT_SWITCH_MASK 0x03  
+#define USB_ENDPOINT_SWITCH_NO 0
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define USB_ENDPOINT_SWITCH_SWITCH 1
+#define USB_ENDPOINT_SWITCH_SCALE 2
+} __attribute__((packed));
+struct usb_handshake {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u8 bMessageNumber;
+ __u8 bStatus;
+ __u8 tTKID[3];
+ __u8 bReserved;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u8 CDID[16];
+ __u8 nonce[16];
+ __u8 MIC[8];
+} __attribute__((packed));
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+struct usb_connection_context {
+ __u8 CHID[16];
+ __u8 CDID[16];
+ __u8 CK[16];
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+} __attribute__((packed));
+enum usb_device_speed {
+ USB_SPEED_UNKNOWN = 0,
+ USB_SPEED_LOW, USB_SPEED_FULL,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ USB_SPEED_HIGH,
+ USB_SPEED_WIRELESS,
+ USB_SPEED_SUPER,
+};
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+enum usb_device_state {
+ USB_STATE_NOTATTACHED = 0,
+ USB_STATE_ATTACHED,
+ USB_STATE_POWERED,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ USB_STATE_RECONNECTING,
+ USB_STATE_UNAUTHENTICATED,
+ USB_STATE_DEFAULT,
+ USB_STATE_ADDRESS,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ USB_STATE_CONFIGURED,
+ USB_STATE_SUSPENDED
+};
+#define USB_SELF_POWER_VBUS_MAX_DRAW 100
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#endif
diff --git a/libc/kernel/common/linux/usb/functionfs.h b/libc/kernel/common/linux/usb/functionfs.h
new file mode 100644
index 0000000..11e8d4c
--- /dev/null
+++ b/libc/kernel/common/linux/usb/functionfs.h
@@ -0,0 +1,81 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   This header was automatically generated from a Linux kernel header
+ ***   of the same name, to make information necessary for userspace to
+ ***   call into the kernel available to libc.  It contains only constants,
+ ***   structures, and macros generated from the original header, and thus,
+ ***   contains no copyrightable information.
+ ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef __LINUX_FUNCTIONFS_H__
+#define __LINUX_FUNCTIONFS_H__ 1
+#include <linux/types.h>
+#include <linux/ioctl.h>
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#include <linux/usb/ch9.h>
+enum {
+ FUNCTIONFS_DESCRIPTORS_MAGIC = 1,
+ FUNCTIONFS_STRINGS_MAGIC = 2
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+};
+struct usb_endpoint_descriptor_no_audio {
+ __u8 bLength;
+ __u8 bDescriptorType;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __u8 bEndpointAddress;
+ __u8 bmAttributes;
+ __le16 wMaxPacketSize;
+ __u8 bInterval;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+} __attribute__((packed));
+struct usb_functionfs_descs_head {
+ __le32 magic;
+ __le32 length;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __le32 fs_count;
+ __le32 hs_count;
+} __attribute__((packed));
+struct usb_functionfs_strings_head {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ __le32 magic;
+ __le32 length;
+ __le32 str_count;
+ __le32 lang_count;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+} __attribute__((packed));
+enum usb_functionfs_event_type {
+ FUNCTIONFS_BIND,
+ FUNCTIONFS_UNBIND,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ FUNCTIONFS_ENABLE,
+ FUNCTIONFS_DISABLE,
+ FUNCTIONFS_SETUP,
+ FUNCTIONFS_SUSPEND,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ FUNCTIONFS_RESUME
+};
+struct usb_functionfs_event {
+ union {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ struct usb_ctrlrequest setup;
+ } __attribute__((packed)) u;
+ __u8 type;
+ __u8 _pad[3];
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+} __attribute__((packed));
+#define FUNCTIONFS_FIFO_STATUS _IO('g', 1)
+#define FUNCTIONFS_FIFO_FLUSH _IO('g', 2)
+#define FUNCTIONFS_CLEAR_HALT _IO('g', 3)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define FUNCTIONFS_INTERFACE_REVMAP _IO('g', 128)
+#define FUNCTIONFS_ENDPOINT_REVMAP _IO('g', 129)
+#endif
diff --git a/libc/private/bionic_pthread.h b/libc/private/bionic_pthread.h
index 07bcbd4..28d6ad8 100644
--- a/libc/private/bionic_pthread.h
+++ b/libc/private/bionic_pthread.h
@@ -35,6 +35,7 @@
 
 /* Internal, not an NDK API */
 extern pid_t __pthread_gettid(pthread_t thid);
+extern int __pthread_settid(pthread_t thid, pid_t tid);
 
 __END_DECLS