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ProDOS/Posix Exceptions

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git-svn-id: https://profuse.googlecode.com/svn/branches/v2@124 aa027e90-d47c-11dd-86d7-074df07e0730
This commit is contained in:
ksherlock
2009-12-02 01:19:34 +00:00
parent b3334ac210
commit b660593d25
3 changed files with 58 additions and 22 deletions
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14
MappedFile.cpp
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@@ -36,7 +36,7 @@ MappedFile::MappedFile(const char *name, bool readOnly)
if (fd < 0)
{
throw Exception(__METHOD__ ": Unable to open file.", errno);
throw POSIXException(__METHOD__ ": Unable to open file.", errno);
}
// init may throw; auto_fd guarantees the file will be closed if that happens.
init(fd, readOnly);
@@ -63,12 +63,12 @@ MappedFile::MappedFile(const char *name, size_t size)
auto_fd fd(::open(name, O_CREAT | O_TRUNC | O_RDWR, 0644));
if (fd < 0)
throw Exception(__METHOD__ ": Unable to create file.", errno);
throw POSIXException(__METHOD__ ": Unable to create file.", errno);
// TODO -- is ftruncate portable?
if (::ftruncate(fd, _size) < 0)
{
throw Exception(__METHOD__ ": Unable to truncate file.", errno);
throw POSIXException(__METHOD__ ": Unable to truncate file.", errno);
}
//_map = ::mmap(NULL, _size, PROT_READ | PROT_WRITE, MAP_FILE | MAP_SHARED, _fd, 0);
@@ -80,7 +80,7 @@ MappedFile::MappedFile(const char *name, size_t size)
MAP_FILE | MAP_SHARED
);
if (map == MAP_FAILED) throw Exception(__METHOD__ ": Unable to map file.", errno);
if (map == MAP_FAILED) throw POSIXException(__METHOD__ ": Unable to map file.", errno);
_fd = fd.release();
_map = map.release();
@@ -110,7 +110,7 @@ void MappedFile::init(int f, bool readOnly)
_size = ::lseek(f, 0, SEEK_END);
if (_size < 0)
throw Exception(__METHOD__ ": Unable to determine file size.", errno);
throw POSIXException(__METHOD__ ": Unable to determine file size.", errno);
/*
_map = ::mmap(NULL, _size, readOnly ? PROT_READ : PROT_READ | PROT_WRITE,
@@ -123,7 +123,7 @@ void MappedFile::init(int f, bool readOnly)
readOnly ? MAP_FILE : MAP_FILE | MAP_SHARED
);
if (map == MAP_FAILED) throw Exception(__METHOD__ ": Unable to map file.", errno);
if (map == MAP_FAILED) throw POSIXException(__METHOD__ ": Unable to map file.", errno);
_fd = f;
_map = map.release();
@@ -227,7 +227,7 @@ void MappedFile::sync()
if (_readOnly) return;
if (::msync(_map, _size, MS_SYNC) < 0)
throw Exception(__METHOD__ ": msync error.", errno);
throw POSIXException(__METHOD__ ": msync error.", errno);
}
void MappedFile::reset()