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newlib-cygwin
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* child_info.h (child_info::cygheap_reserve_sz): Rename from cygheap_alloc_sz. 

* cygheap.cc: Rename alloc_sz to reserve_sz throughout.
This commit is contained in:
Christopher Faylor 2004-04-04 04:14:11 +00:00
parent 321ddf2422
commit 129c8a0e81
3 changed files with 23 additions and 18 deletions
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5
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,8 @@
2004-04-03 Christopher Faylor <cgf@redhat.com>
* child_info.h (child_info::cygheap_reserve_sz): Rename from cygheap_alloc_sz.
* cygheap.cc: Rename alloc_sz to reserve_sz throughout.
2004-04-03 Corinna Vinschen <corinna@vinschen.de>
* fhandler.h (class fhandler_socket): Remove has_been_closed member.

2
winsup/cygwin/child_info.h
View File

@ -49,7 +49,7 @@ public:
HANDLE pppid_handle;
init_cygheap *cygheap;
void *cygheap_max;
DWORD cygheap_alloc_sz;
DWORD cygheap_reserve_sz;
HANDLE cygheap_h;
unsigned fhandler_union_cb;
};

34
winsup/cygwin/cygheap.cc
View File

@ -28,7 +28,7 @@ init_cygheap NO_COPY *cygheap;
void NO_COPY *cygheap_max;
static NO_COPY muto *cygheap_protect;
static NO_COPY DWORD alloc_sz;
static NO_COPY DWORD reserve_sz;
struct cygheap_entry
{
@ -52,27 +52,27 @@ static void
init_cheap ()
{
#ifndef DEBUGGING
alloc_sz = CYGHEAPSIZE;
reserve_sz = CYGHEAPSIZE;
#else
char buf[80];
DWORD initial_sz = 0;
if (!GetEnvironmentVariable ("CYGWIN_HEAPSIZE", buf, sizeof buf - 1))
initial_sz = alloc_sz = CYGHEAPSIZE;
initial_sz = reserve_sz = CYGHEAPSIZE;
else
{
initial_sz = alloc_sz = atoi (buf);
small_printf ("using cygheap size %d\n", alloc_sz);
initial_sz = reserve_sz = atoi (buf);
small_printf ("using cygheap size %d\n", reserve_sz);
}
#endif
do
if ((cygheap = (init_cygheap *) VirtualAlloc ((void *) &_cygheap_start,
alloc_sz, MEM_RESERVE,
reserve_sz, MEM_RESERVE,
PAGE_NOACCESS)))
break;
while ((alloc_sz -= 2 * (1024 * 1024)) >= CYGHEAPSIZE_MIN);
while ((reserve_sz -= 2 * (1024 * 1024)) >= CYGHEAPSIZE_MIN);
#ifdef DEBUGGING
if (alloc_sz != initial_sz)
small_printf ("reset initial cygheap size to %u\n", alloc_sz);
if (reserve_sz != initial_sz)
small_printf ("reset initial cygheap size to %u\n", reserve_sz);
#endif
if (!cygheap)
{
@ -80,7 +80,7 @@ init_cheap ()
if (!VirtualQuery ((LPCVOID) &_cygheap_start, &m, sizeof m))
system_printf ("couldn't get memory info, %E");
system_printf ("Couldn't reserve %d bytes of space for cygwin's heap, %E",
alloc_sz);
reserve_sz);
api_fatal ("AllocationBase %p, BaseAddress %p, RegionSize %p, State %p\n",
m.AllocationBase, m.BaseAddress, m.RegionSize, m.State);
}
@ -103,7 +103,7 @@ cygheap_setup_for_child (child_info *ci, bool dup_later)
void *newcygheap;
cygheap_protect->acquire ();
unsigned n = (char *) cygheap_max - (char *) cygheap;
unsigned size = alloc_sz;
unsigned size = reserve_sz;
if (size < n)
size = n + (128 * 1024);
ci->cygheap_h = CreateFileMapping (INVALID_HANDLE_VALUE, &sec_none,
@ -117,7 +117,7 @@ cygheap_setup_for_child (child_info *ci, bool dup_later)
cygheap_protect->release ();
ci->cygheap = cygheap;
ci->cygheap_max = cygheap_max;
ci->cygheap_alloc_sz = size;
ci->cygheap_reserve_sz = size;
return newcygheap;
}
@ -148,14 +148,14 @@ cygheap_fixup_in_child (bool execed)
void *newaddr;
newaddr = MapViewOfFileEx (child_proc_info->cygheap_h, MVMAP_OPTIONS, 0, 0, 0, addr);
alloc_sz = child_proc_info->cygheap_alloc_sz;
reserve_sz = child_proc_info->cygheap_reserve_sz;
if (newaddr != cygheap)
{
if (!newaddr)
newaddr = MapViewOfFileEx (child_proc_info->cygheap_h, MVMAP_OPTIONS, 0, 0, 0, NULL);
DWORD n = (DWORD) cygheap_max - (DWORD) cygheap;
/* Reserve cygwin heap in same spot as parent */
if (!VirtualAlloc (cygheap, alloc_sz, MEM_RESERVE, PAGE_NOACCESS))
if (!VirtualAlloc (cygheap, reserve_sz, MEM_RESERVE, PAGE_NOACCESS))
{
MEMORY_BASIC_INFORMATION m;
memset (&m, 0, sizeof m);
@ -163,7 +163,7 @@ cygheap_fixup_in_child (bool execed)
system_printf ("couldn't get memory info, %E");
system_printf ("Couldn't reserve %d bytes of space for cygwin's heap (%p <%p>) in child, %E",
alloc_sz, cygheap, newaddr);
reserve_sz, cygheap, newaddr);
api_fatal ("m.AllocationBase %p, m.BaseAddress %p, m.RegionSize %p, m.State %p\n",
m.AllocationBase, m.BaseAddress, m.RegionSize, m.State);
}
@ -235,11 +235,11 @@ _csbrk (int sbs)
#ifdef DEBUGGING
system_printf ("couldn't commit memory for cygwin heap, prebrk %p, size %d, heapsize now %d, max heap size %u, %E",
prebrk, sbs, (char *) cygheap_max - (char *) cygheap,
alloc_sz);
reserve_sz);
#else
malloc_printf ("couldn't commit memory for cygwin heap, prebrk %p, size %d, heapsize now %d, max heap size %u, %E",
prebrk, sbs, (char *) cygheap_max - (char *) cygheap,
alloc_sz);
reserve_sz);
#endif
__seterrno ();
cygheap_max = (char *) cygheap_max - sbs;