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This commit is contained in:
Leonid Fedorov
2022-01-21 16:43:49 +00:00
parent 6b6411229f
commit 04752ec546
1376 changed files with 393460 additions and 412662 deletions
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84
versioning/BRM/lock_grabber.cpp
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@ -32,58 +32,58 @@ char* name;
void usage()
{
cout << "Usage " << name << " which_lock_to_use which_side_to_use lock_or_unlock\n" <<
" which_lock_to_use: 1=VSS 2=ExtentMap 3=FreeList 4=VBBM 5=CopyLocks\n" <<
" which_side_to_use: r|w (read or write)\n" <<
" lock_or_unlock: l|u (lock or unlock)\n";
exit(1);
cout << "Usage " << name << " which_lock_to_use which_side_to_use lock_or_unlock\n"
<< " which_lock_to_use: 1=VSS 2=ExtentMap 3=FreeList 4=VBBM 5=CopyLocks\n"
<< " which_side_to_use: r|w (read or write)\n"
<< " lock_or_unlock: l|u (lock or unlock)\n";
exit(1);
}
int main(int argc, char** argv)
{
uint32_t which_lock; // 1-5
uint32_t which_side; // 0 or 1
uint32_t lock_unlock; // 0 or 1
RWLock* rwlock;
uint32_t which_lock; // 1-5
uint32_t which_side; // 0 or 1
uint32_t lock_unlock; // 0 or 1
RWLock* rwlock;
name = argv[0];
name = argv[0];
if (argc != 4)
usage();
if (argc != 4)
usage();
if (strlen(argv[1]) != 1 || strlen(argv[2]) != 1 || strlen(argv[3]) != 1)
usage();
if (strlen(argv[1]) != 1 || strlen(argv[2]) != 1 || strlen(argv[3]) != 1)
usage();
which_lock = atoi(argv[1]);
which_lock = atoi(argv[1]);
if (which_lock < 1 || which_lock > 5)
usage();
if (which_lock < 1 || which_lock > 5)
usage();
if (argv[2][0] == 'r')
which_side = 0;
else if (argv[2][0] == 'w')
which_side = 1;
if (argv[2][0] == 'r')
which_side = 0;
else if (argv[2][0] == 'w')
which_side = 1;
else
usage();
if (argv[3][0] == 'l')
lock_unlock = 0;
else if (argv[3][0] == 'u')
lock_unlock = 1;
else
usage();
rwlock = new RWLock(0x10000 * which_lock);
if (which_side == 0)
if (lock_unlock == 0)
rwlock->read_lock();
else
usage();
rwlock->read_unlock();
else if (lock_unlock == 0)
rwlock->write_lock();
else
rwlock->write_unlock();
if (argv[3][0] == 'l')
lock_unlock = 0;
else if (argv[3][0] == 'u')
lock_unlock = 1;
else
usage();
rwlock = new RWLock(0x10000 * which_lock);
if (which_side == 0)
if (lock_unlock == 0)
rwlock->read_lock();
else
rwlock->read_unlock();
else if (lock_unlock == 0)
rwlock->write_lock();
else
rwlock->write_unlock();
return 0;
return 0;
}