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* fork.cc (fork_child): Move mmap initialization.

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* shared.cc (shared_info::heap_chunk_size): Store info as megabytes.  Search
HKEY_LOCAL_MACHINE as well as HKEY_CURRENT_USER.
* shared_info.h (shared_info::initial_heap_size): Change element name to
reflect new functionality.
* strace.cc (strace::hello): Report on initial heap size.
This commit is contained in:
Christopher Faylor
2002-10-18 23:52:59 +00:00
parent 978ea3cf1c
commit 60bc7b5977
5 changed files with 32 additions and 13 deletions
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24
winsup/cygwin/shared.cc
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@@ -223,7 +223,8 @@ memory_init ()
unsigned
shared_info::heap_chunk_size ()
{
if (!heap_chunk_in_mb)
unsigned val;
if (!initial_heap_size)
{
/* Fetch misc. registry entries. */
@@ -234,13 +235,20 @@ shared_info::heap_chunk_size ()
/* FIXME: We should not be restricted to a fixed size heap no matter
what the fixed size is. */
heap_chunk_in_mb = reg.get_int ("heap_chunk_in_mb", 256);
if (heap_chunk_in_mb < 4)
{
heap_chunk_in_mb = 4;
reg.set_int ("heap_chunk_in_mb", heap_chunk_in_mb);
}
initial_heap_size = reg.get_int ("heap_chunk_in_mb", 0);
if (!initial_heap_size) {
reg_key r1 (HKEY_LOCAL_MACHINE, KEY_READ, "SOFTWARE",
CYGWIN_INFO_CYGNUS_REGISTRY_NAME,
CYGWIN_INFO_CYGWIN_REGISTRY_NAME, NULL);
initial_heap_size = reg.get_int ("heap_chunk_in_mb", 384);
}
if (initial_heap_size < 4)
initial_heap_size = 4 * 1024 * 1024;
else
initial_heap_size <<= 20;
debug_printf ("fixed heap size is %u", initial_heap_size);
}
return heap_chunk_in_mb << 20;
return initial_heap_size;
}