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comparison src/ralloc.c @ 442:abe6d1db359e r21-2-36

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Import from CVS: tag r21-2-36
author cvs
date Mon, 13 Aug 2007 11:35:02 +0200
parents 8de8e3f6228a
children c33ae14dd6d0
comparison
equal deleted inserted replaced
441:72a7cfa4a488 442:abe6d1db359e
1317 #include <fcntl.h> 1317 #include <fcntl.h>
1318 #include <sys/mman.h> 1318 #include <sys/mman.h>
1319 #include <stdio.h> 1319 #include <stdio.h>
1320 1320
1321 typedef void *VM_ADDR; /* VM addresses */ 1321 typedef void *VM_ADDR; /* VM addresses */
1322 static CONST VM_ADDR VM_FAILURE_ADDR = (VM_ADDR) -1; /* mmap returns this when it fails. */ 1322 static const VM_ADDR VM_FAILURE_ADDR = (VM_ADDR) -1; /* mmap returns this when it fails. */
1323 1323
1324 /* Configuration for relocating allocator. */ 1324 /* Configuration for relocating allocator. */
1325 1325
1326 /* #define MMAP_GENERATE_ADDRESSES */ 1326 /* #define MMAP_GENERATE_ADDRESSES */
1327 /* Define this if you want Emacs to manage the address table. 1327 /* Define this if you want Emacs to manage the address table.
1724 { 1724 {
1725 MEMMETER( MVAL( M_Addrlist_Size )++) 1725 MEMMETER( MVAL( M_Addrlist_Size )++)
1726 addr_chain = (ADDRESS_CHAIN) UNDERLYING_MALLOC( sizeof( ADDRESS_BLOCK )); 1726 addr_chain = (ADDRESS_CHAIN) UNDERLYING_MALLOC( sizeof( ADDRESS_BLOCK ));
1727 addr_chain->next = 0; /* Last block in chain */ 1727 addr_chain->next = 0; /* Last block in chain */
1728 addr_chain->sz = 0x0c000000; /* Size */ 1728 addr_chain->sz = 0x0c000000; /* Size */
1729 addr_chain->addr = (POINTER) (0x04000000 | DATA_SEG_BITS); 1729 addr_chain->addr = (POINTER) (0x04000000);
1730 addr_chain->flag = empty; 1730 addr_chain->flag = empty;
1731 } 1731 }
1732 1732
1733 /* Coalesce address blocks if they are contiguous. Only empty and 1733 /* Coalesce address blocks if they are contiguous. Only empty and
1734 unavailable slots are coalesced. */ 1734 unavailable slots are coalesced. */