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mmap.cc: Fix some comments 

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
This commit is contained in:
Corinna Vinschen 2015-08-25 22:02:35 +02:00
parent 8c665d189b
commit 70b02101ca
2 changed files with 10 additions and 9 deletions
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4
winsup/cygwin/ChangeLog
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@ -1,3 +1,7 @@
2015-08-25 Corinna Vinschen <corinna@vinschen.de>
* mmap.cc: Fix a few comments.
2015-08-24 Corinna Vinschen <corinna@vinschen.de> 2015-08-24 Corinna Vinschen <corinna@vinschen.de>
* ntdll.h (PROCESSINFOCLASS): Define ProcessDebugFlags. * ntdll.h (PROCESSINFOCLASS): Define ProcessDebugFlags.

15
winsup/cygwin/mmap.cc
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@ -1,7 +1,7 @@
/* mmap.cc /* mmap.cc
Copyright 1996, 1997, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, Copyright 1996, 1997, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
2008, 2009, 2010, 2011, 2012, 2013 Red Hat, Inc. 2008, 2009, 2010, 2011, 2012, 2013, 2015 Red Hat, Inc.
This file is part of Cygwin. This file is part of Cygwin.
@ -712,7 +712,7 @@ is_mmapped_region (caddr_t start_addr, caddr_t end_address)
Check if the address range is all within noreserve mmap regions. If so, Check if the address range is all within noreserve mmap regions. If so,
call VirtualAlloc to commit the pages and return MMAP_NORESERVE_COMMITED call VirtualAlloc to commit the pages and return MMAP_NORESERVE_COMMITED
on success. If the page has __PROT_ATTACH (SUSv3 memory protection on success. If the page has __PROT_ATTACH (SUSv3 memory protection
extension), or if VirutalAlloc fails, return MMAP_RAISE_SIGBUS. extension), or if VirtualAlloc fails, return MMAP_RAISE_SIGBUS.
Otherwise, return MMAP_NONE if the address range is not covered by an Otherwise, return MMAP_NONE if the address range is not covered by an
attached or noreserve map. attached or noreserve map.
@ -1262,8 +1262,7 @@ munmap (void *addr, size_t len)
LIST_LOCK (); LIST_LOCK ();
/* Iterate through the map, unmap pages between addr and addr+len /* Iterate over maps, unmap pages between addr and addr+len in all maps. */
in all maps. */
mmap_list *map_list, *next_map_list; mmap_list *map_list, *next_map_list;
LIST_FOREACH_SAFE (map_list, &mmapped_areas.lists, ml_next, next_map_list) LIST_FOREACH_SAFE (map_list, &mmapped_areas.lists, ml_next, next_map_list)
{ {
@ -1327,8 +1326,7 @@ msync (void *addr, size_t len, int flags)
len = roundup2 (len, wincap.allocation_granularity ()); len = roundup2 (len, wincap.allocation_granularity ());
#endif #endif
/* Iterate through the map, looking for the mmapped area. /* Iterate over maps, looking for the mmapped area. Error if not found. */
Error if not found. */
LIST_FOREACH (map_list, &mmapped_areas.lists, ml_next) LIST_FOREACH (map_list, &mmapped_areas.lists, ml_next)
{ {
mmap_record *rec; mmap_record *rec;
@ -1385,8 +1383,7 @@ mprotect (void *addr, size_t len, int prot)
LIST_LOCK (); LIST_LOCK ();
/* Iterate through the map, protect pages between addr and addr+len /* Iterate over maps, protect pages between addr and addr+len in all maps. */
in all maps. */
mmap_list *map_list; mmap_list *map_list;
LIST_FOREACH (map_list, &mmapped_areas.lists, ml_next) LIST_FOREACH (map_list, &mmapped_areas.lists, ml_next)
{ {
@ -1820,7 +1817,7 @@ fhandler_disk_file::fixup_mmap_after_fork (HANDLE h, int prot, int flags,
int __stdcall int __stdcall
fixup_mmaps_after_fork (HANDLE parent) fixup_mmaps_after_fork (HANDLE parent)
{ {
/* Iterate through the map */ /* Iterate over maps */
mmap_list *map_list; mmap_list *map_list;
LIST_FOREACH (map_list, &mmapped_areas.lists, ml_next) LIST_FOREACH (map_list, &mmapped_areas.lists, ml_next)
{ {