This is the email describing the changes in the patch for 7.4. ---------------------------------------------------------------------------
Bruce Momjian wrote: > Prompted by confusion over Itanium/Opterion, I have written a patch to > improve the way we define spinlocks for platforms and cpu's. It > basically decouples the OS from the CPU spinlock code. In almost all > cases, the spinlock code cares only about the compiler and CPU, not the > OS. > > The patch: > > o defines HAS_TEST_AND_SET inside each spinlock routine, not in > platform-specific files > o moves slock_t defines into the spinlock routines > o remove NEED_{CPU}_TAS_ASM define because it is no longer needed > o reports a compile error if spinlocks are not defined > o adds a configure option --without-spinlocks to allow > non-spinlock compiles > > Looking at the patch, I realize this is how we should have done it all > along. > > It would be nice to report the lack of spinlocks in configure, rather > than during the compile, but I can't compile s_lock.h and test for > HAS_TEST_AND_SET until configure completes. > > I plan to apply this to 7.4. -- Bruce Momjian | http://candle.pha.pa.us [EMAIL PROTECTED] | (610) 359-1001 + If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania 19073 ---------------------------(end of broadcast)--------------------------- TIP 2: you can get off all lists at once with the unregister command (send "unregister YourEmailAddressHere" to [EMAIL PROTECTED])