* autoload.cc (NtLockVirtualMemory): Import.

	(NtUnlockVirtualMemory): Import.
	(GetProcessWorkingSetSize): Import.
	(SetProcessWorkingSetSize): Import.
	* cygwin.din (mlock): Export.
	(munlock): Export.
	* mmap.cc (mlock): New function.
	(munlock): Ditto.
	* ntdll.h (STATUS_WORKING_SET_QUOTA): Define.
	(LOCK_VM_IN_WSL): Define.
	(LOCK_VM_IN_RAM): Define.
	(NtLockVirtualMemory): Declare.
	(NtUnlockVirtualMemory): Declare.
	* sysconf.cc (sysconf): Implement _SC_MEMLOCK_RANGE.
	* wincap.h: Implement has_working_virtual_lock throughout.
	* wincap.cc: Ditto.
	* include/cygwin/version.h: Bump API minor version.
	* include/sys/mman.h (mlock): Declare,
	(munlock): Declare.

1 files changed, 26 insertions, 13 deletions

diff --git a/winsup/cygwin/wincap.cc b/winsup/cygwin/wincap.cc
index 2cfffc2d6..955a620c5 100644
--- a/winsup/cygwin/wincap.cc
+++ b/winsup/cygwin/wincap.cc
@@ -60,7 +60,8 @@ static NO_COPY wincaps wincap_unknown = {
   has_guid_volumes:false,
   detect_win16_exe:true,
   has_null_console_handler_routine:false,
-  has_disk_ex_ioctls:false
+  has_disk_ex_ioctls:false,
+  has_working_virtual_lock:false
 };
 
 static NO_COPY wincaps wincap_95 = {
@@ -112,7 +113,8 @@ static NO_COPY wincaps wincap_95 = {
   has_guid_volumes:false,
   detect_win16_exe:true,
   has_null_console_handler_routine:false,
-  has_disk_ex_ioctls:false
+  has_disk_ex_ioctls:false,
+  has_working_virtual_lock:false
 };
 
 static NO_COPY wincaps wincap_95osr2 = {
@@ -164,7 +166,8 @@ static NO_COPY wincaps wincap_95osr2 = {
   has_guid_volumes:false,
   detect_win16_exe:true,
   has_null_console_handler_routine:false,
-  has_disk_ex_ioctls:false
+  has_disk_ex_ioctls:false,
+  has_working_virtual_lock:false
 };
 
 static NO_COPY wincaps wincap_98 = {
@@ -216,7 +219,8 @@ static NO_COPY wincaps wincap_98 = {
   has_guid_volumes:false,
   detect_win16_exe:true,
   has_null_console_handler_routine:false,
-  has_disk_ex_ioctls:false
+  has_disk_ex_ioctls:false,
+  has_working_virtual_lock:false
 };
 
 static NO_COPY wincaps wincap_98se = {
@@ -268,7 +272,8 @@ static NO_COPY wincaps wincap_98se = {
   has_guid_volumes:false,
   detect_win16_exe:true,
   has_null_console_handler_routine:false,
-  has_disk_ex_ioctls:false
+  has_disk_ex_ioctls:false,
+  has_working_virtual_lock:false
 };
 
 static NO_COPY wincaps wincap_me = {
@@ -320,7 +325,8 @@ static NO_COPY wincaps wincap_me = {
   has_guid_volumes:false,
   detect_win16_exe:true,
   has_null_console_handler_routine:false,
-  has_disk_ex_ioctls:false
+  has_disk_ex_ioctls:false,
+  has_working_virtual_lock:false
 };
 
 static NO_COPY wincaps wincap_nt3 = {
@@ -372,7 +378,8 @@ static NO_COPY wincaps wincap_nt3 = {
   has_guid_volumes:false,
   detect_win16_exe:false,
   has_null_console_handler_routine:true,
-  has_disk_ex_ioctls:false
+  has_disk_ex_ioctls:false,
+  has_working_virtual_lock:true
 };
 
 static NO_COPY wincaps wincap_nt4 = {
@@ -424,7 +431,8 @@ static NO_COPY wincaps wincap_nt4 = {
   has_guid_volumes:false,
   detect_win16_exe:false,
   has_null_console_handler_routine:true,
-  has_disk_ex_ioctls:false
+  has_disk_ex_ioctls:false,
+  has_working_virtual_lock:true
 };
 
 static NO_COPY wincaps wincap_nt4sp4 = {
@@ -476,7 +484,8 @@ static NO_COPY wincaps wincap_nt4sp4 = {
   has_guid_volumes:false,
   detect_win16_exe:false,
   has_null_console_handler_routine:true,
-  has_disk_ex_ioctls:false
+  has_disk_ex_ioctls:false,
+  has_working_virtual_lock:true
 };
 
 static NO_COPY wincaps wincap_2000 = {
@@ -528,7 +537,8 @@ static NO_COPY wincaps wincap_2000 = {
   has_guid_volumes:true,
   detect_win16_exe:false,
   has_null_console_handler_routine:true,
-  has_disk_ex_ioctls:false
+  has_disk_ex_ioctls:false,
+  has_working_virtual_lock:true
 };
 
 static NO_COPY wincaps wincap_xp = {
@@ -580,7 +590,8 @@ static NO_COPY wincaps wincap_xp = {
   has_guid_volumes:true,
   detect_win16_exe:false,
   has_null_console_handler_routine:true,
-  has_disk_ex_ioctls:true
+  has_disk_ex_ioctls:true,
+  has_working_virtual_lock:true
 };
 
 static NO_COPY wincaps wincap_2003 = {
@@ -632,7 +643,8 @@ static NO_COPY wincaps wincap_2003 = {
   has_guid_volumes:true,
   detect_win16_exe:false,
   has_null_console_handler_routine:true,
-  has_disk_ex_ioctls:true
+  has_disk_ex_ioctls:true,
+  has_working_virtual_lock:true
 };
 
 static NO_COPY wincaps wincap_vista = {
@@ -684,7 +696,8 @@ static NO_COPY wincaps wincap_vista = {
   has_guid_volumes:true,
   detect_win16_exe:false,
   has_null_console_handler_routine:true,
-  has_disk_ex_ioctls:true
+  has_disk_ex_ioctls:true,
+  has_working_virtual_lock:true
 };
 
 wincapc wincap;