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- Enhanced split algorithm to be non-destrutive, and therefore faster

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- Added autoconf testing to detect Solaris
- Added Solaris-specific flock implementation
This commit is contained in:
Paul Beckingham 2008-12-14 15:18:33 -05:00
parent 50ccb67185
commit 3d4beaf41f
5 changed files with 73 additions and 28 deletions
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12
src/TDB.cpp
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@ -289,11 +289,7 @@ bool TDB::modifyT (const T& t)
////////////////////////////////////////////////////////////////////////////////
bool TDB::lock (FILE* file) const
{
#ifdef HAVE_FLOCK
return flock (fileno (file), LOCK_EX) ? false : true;
#else
return true;
#endif
}
////////////////////////////////////////////////////////////////////////////////
@ -303,11 +299,9 @@ bool TDB::overwritePending (std::vector <T>& all)
FILE* out;
if ((out = fopen (mPendingFile.c_str (), "w")))
{
#ifdef HAVE_FLOCK
int retry = 0;
while (flock (fileno (out), LOCK_EX) && ++retry <= 3)
delay (0.25);
#endif
std::vector <T>::iterator it;
for (it = all.begin (); it != all.end (); ++it)
@ -328,11 +322,9 @@ bool TDB::writePending (const T& t)
FILE* out;
if ((out = fopen (mPendingFile.c_str (), "a")))
{
#ifdef HAVE_FLOCK
int retry = 0;
while (flock (fileno (out), LOCK_EX) && ++retry <= 3)
delay (0.25);
#endif
fputs (t.compose ().c_str (), out);
@ -351,11 +343,9 @@ bool TDB::writeCompleted (const T& t)
FILE* out;
if ((out = fopen (mCompletedFile.c_str (), "a")))
{
#ifdef HAVE_FLOCK
int retry = 0;
while (flock (fileno (out), LOCK_EX) && ++retry <= 3)
delay (0.25);
#endif
fputs (t.compose ().c_str (), out);
@ -380,11 +370,9 @@ bool TDB::readLockedFile (
FILE* in;
if ((in = fopen (file.c_str (), "r")))
{
#ifdef HAVE_FLOCK
int retry = 0;
while (flock (fileno (in), LOCK_EX) && ++retry <= 3)
delay (0.25);
#endif
char line[T_LINE_MAX];
while (fgets (line, T_LINE_MAX, in))