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* cygheap.h (struct user_heap_info): Add slop member.

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* heap.cc (heap_init): Add slop factor to heap allocation.  Add
	comment.
	* mmap.cc (MapViewNT): Allocate memory maps top down.
	(fhandler_dev_zero::mmap): Ditto.
	* shared.cc (shared_info::heap_slop_size): New method.
	(shared_info::heap_chunk_size): Don't use debug_printf at early stage.
	* shared_info.h (SHARED_INFO_CB): Accomodate change to shared_info.
	(CURR_SHARED_MAGIC): Ditto.
	(class shared_info): Add heap_slop member.  Declare heap_slop_size.
	* wincap.h: Define heapslop throughout.
	* wincap.cc: Ditto.
This commit is contained in:
Corinna Vinschen
2006-10-31 18:41:16 +00:00
parent 9740f34d11
commit c2b10dc4d8
8 changed files with 91 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
winsup/cygwin/wincap.cc
View File

@ -14,6 +14,7 @@ details. */
static NO_COPY wincaps wincap_unknown = {
lock_file_highword:0x0,
chunksize:0x0,
heapslop:0x0,
shared:FILE_SHARE_READ | FILE_SHARE_WRITE,
is_winnt:false,
is_server:false,
@ -72,6 +73,7 @@ static NO_COPY wincaps wincap_unknown = {
static NO_COPY wincaps wincap_95 = {
lock_file_highword:0x0,
chunksize:32 * 1024 * 1024,
heapslop:0x0,
shared:FILE_SHARE_READ | FILE_SHARE_WRITE,
is_winnt:false,
is_server:false,
@ -130,6 +132,7 @@ static NO_COPY wincaps wincap_95 = {
static NO_COPY wincaps wincap_95osr2 = {
lock_file_highword:0x0,
chunksize:32 * 1024 * 1024,
heapslop:0x0,
shared:FILE_SHARE_READ | FILE_SHARE_WRITE,
is_winnt:false,
is_server:false,
@ -188,6 +191,7 @@ static NO_COPY wincaps wincap_95osr2 = {
static NO_COPY wincaps wincap_98 = {
lock_file_highword:0x0,
chunksize:32 * 1024 * 1024,
heapslop:0x0,
shared:FILE_SHARE_READ | FILE_SHARE_WRITE,
is_winnt:false,
is_server:false,
@ -246,6 +250,7 @@ static NO_COPY wincaps wincap_98 = {
static NO_COPY wincaps wincap_98se = {
lock_file_highword:0x0,
chunksize:32 * 1024 * 1024,
heapslop:0x0,
shared:FILE_SHARE_READ | FILE_SHARE_WRITE,
is_winnt:false,
is_server:false,
@ -304,6 +309,7 @@ static NO_COPY wincaps wincap_98se = {
static NO_COPY wincaps wincap_me = {
lock_file_highword:0x0,
chunksize:32 * 1024 * 1024,
heapslop:0x0,
shared:FILE_SHARE_READ | FILE_SHARE_WRITE,
is_winnt:false,
is_server:false,
@ -362,6 +368,7 @@ static NO_COPY wincaps wincap_me = {
static NO_COPY wincaps wincap_nt3 = {
lock_file_highword:UINT32_MAX,
chunksize:0,
heapslop:0x0,
shared:FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
is_winnt:true,
is_server:false,
@ -420,6 +427,7 @@ static NO_COPY wincaps wincap_nt3 = {
static NO_COPY wincaps wincap_nt4 = {
lock_file_highword:UINT32_MAX,
chunksize:0,
heapslop:0x0,
shared:FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
is_winnt:true,
is_server:false,
@ -478,6 +486,7 @@ static NO_COPY wincaps wincap_nt4 = {
static NO_COPY wincaps wincap_nt4sp4 = {
lock_file_highword:UINT32_MAX,
chunksize:0,
heapslop:0x0,
shared:FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
is_winnt:true,
is_server:false,
@ -536,6 +545,7 @@ static NO_COPY wincaps wincap_nt4sp4 = {
static NO_COPY wincaps wincap_2000 = {
lock_file_highword:UINT32_MAX,
chunksize:0,
heapslop:0x0,
shared:FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
is_winnt:true,
is_server:false,
@ -594,6 +604,7 @@ static NO_COPY wincaps wincap_2000 = {
static NO_COPY wincaps wincap_xp = {
lock_file_highword:UINT32_MAX,
chunksize:0,
heapslop:0x0,
shared:FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
is_winnt:true,
is_server:false,
@ -652,6 +663,7 @@ static NO_COPY wincaps wincap_xp = {
static NO_COPY wincaps wincap_2003 = {
lock_file_highword:UINT32_MAX,
chunksize:0,
heapslop:0x4,
shared:FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
is_winnt:true,
is_server:true,
@ -710,6 +722,7 @@ static NO_COPY wincaps wincap_2003 = {
static NO_COPY wincaps wincap_vista = {
lock_file_highword:UINT32_MAX,
chunksize:0,
heapslop:0x4,
shared:FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
is_winnt:true,
is_server:true,