diff options
Diffstat (limited to 'gs/base/gxclmem.h')
| -rw-r--r-- | gs/base/gxclmem.h | 64 |
1 files changed, 32 insertions, 32 deletions
diff --git a/gs/base/gxclmem.h b/gs/base/gxclmem.h index d7779a1f0..2370f11d3 100644 --- a/gs/base/gxclmem.h +++ b/gs/base/gxclmem.h @@ -1,6 +1,6 @@ /* Copyright (C) 2001-2006 Artifex Software, Inc. All Rights Reserved. - + This software is provided AS-IS with no warranty, either express or implied. @@ -49,7 +49,7 @@ typedef struct RAW_BUFFER { typedef struct PHYS_MEMFILE_BLK { struct PHYS_MEMFILE_BLK *link; char *data_limit; /* end of data when compressed */ - /* data_limit is NULL if not compressed */ + /* data_limit is NULL if not compressed */ char data_spare[4]; /* used during de-compress */ char data[MEMFILE_DATA_SIZE]; } PHYS_MEMFILE_BLK; @@ -66,37 +66,37 @@ struct MEMFILE_s { gs_memory_t *data_memory; /* storage allocator for data */ bool ok_to_compress; /* if true, OK to compress this file */ bool is_open; /* track open/closed for each access struct */ - /* - * We need to maintain a linked list of other structs that - * have beed opened on this 'file'. This allows for a writer - * to create a file, close it (but not unlink it), then other - * 'opens' of the same file, using the pseudo file-name that - * consists of a flag 0xff byte followed by the address as - * a 0x____ string. - * - * When the file is 'unlinked' it must check for other open - * 'readers' and set the 'READER INSTANCE' values of the - * cloned structures so that calls into 'read' and 'seek' - * etc., will be harmless. - */ - struct MEMFILE_s *openlist; + /* + * We need to maintain a linked list of other structs that + * have beed opened on this 'file'. This allows for a writer + * to create a file, close it (but not unlink it), then other + * 'opens' of the same file, using the pseudo file-name that + * consists of a flag 0xff byte followed by the address as + * a 0x____ string. + * + * When the file is 'unlinked' it must check for other open + * 'readers' and set the 'READER INSTANCE' values of the + * cloned structures so that calls into 'read' and 'seek' + * etc., will be harmless. + */ + struct MEMFILE_s *openlist; struct MEMFILE_s *base_memfile; /* reader instances set this to the file that was written */ - /* - * Reserve memory blocks: these are used to guarantee that a - * given-sized write (or sequence of writes) will always succeed. - * More specifically, the guarantee is that N bytes can successfully - * be written after a low-memory warning is first returned by - * fwrite. The reserve of N bytes for a given file is (re)allocated - * by a successful call to memfile_set_memory_warning(N). Fwrite - * allocates memory only from the reserve when its normal allocation - * attempts fail; in such cases, it allocates blocks from the - * reserve pool as needed and completes normally, but returns a - * low-memory warning status. Once a low-memory warning has been - * returned, fwrite will continue to attempt to allocate memory from - * the usual allocator on subsequent fwrites, but does *not* try to - * "top up" the reserve if becomes available -- only an explicit - * memfile_set_memory_warning does so. - */ + /* + * Reserve memory blocks: these are used to guarantee that a + * given-sized write (or sequence of writes) will always succeed. + * More specifically, the guarantee is that N bytes can successfully + * be written after a low-memory warning is first returned by + * fwrite. The reserve of N bytes for a given file is (re)allocated + * by a successful call to memfile_set_memory_warning(N). Fwrite + * allocates memory only from the reserve when its normal allocation + * attempts fail; in such cases, it allocates blocks from the + * reserve pool as needed and completes normally, but returns a + * low-memory warning status. Once a low-memory warning has been + * returned, fwrite will continue to attempt to allocate memory from + * the usual allocator on subsequent fwrites, but does *not* try to + * "top up" the reserve if becomes available -- only an explicit + * memfile_set_memory_warning does so. + */ PHYS_MEMFILE_BLK *reservePhysBlockChain; /* chain of reserve phys blks */ int reservePhysBlockCount; /* count of entries on reservePhysBlockChain */ LOG_MEMFILE_BLK *reserveLogBlockChain; /* chain of reserve log blks */ |