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git-svn-id: https://profuse.googlecode.com/svn/branches/v2@98 aa027e90-d47c-11dd-86d7-074df07e0730

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This commit is contained in:
ksherlock
2009-11-23 22:36:05 +00:00
parent f8ddc09a70
commit 9f0b5f1004
6 changed files with 100 additions and 16 deletions
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MappedFile.cpp
+15 -2
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@@ -21,8 +21,21 @@ MappedFile::MappedFile(const char *name, bool readOnly) :
#undef __METHOD__
#define __METHOD__ "MappedFile::MappedFile"
auto_fd fd(::open(name, readOnly ? O_RDONLY : O_RDWR));
// if unable to open as read/write, open as read-only.
auto_fd fd;
if (!readOnly)
{
fd.reset(::open(name, O_RDWR));
}
if (fd < 0)
{
fd.reset(::open(name, O_RDONLY));
readOnly = true;
}
if (fd < 0)
{
throw Exception(__METHOD__ ": Unable to open file.", errno);
@@ -38,7 +51,6 @@ MappedFile::MappedFile(int fd, bool readOnly) :
init(fd, readOnly);
}
// todo -- verify throw calls destructor.
MappedFile::MappedFile(const char *name, size_t size) :
_fd(-1),
_map(MAP_FAILED)
@@ -48,6 +60,7 @@ MappedFile::MappedFile(const char *name, size_t size) :
_size = size;
_readOnly = false;
auto_fd fd(::open(name, O_CREAT | O_TRUNC | O_RDWR, 0644));
if (fd < 0)