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CLEANUP: fd: remove the now unused fd_set_running()

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It was inlined inside fd_update_events() since it relies on a loop that
may return immediate failure codes.
This commit is contained in:
Willy Tarreau 2021-08-03 09:15:32 +02:00
parent f69fea64e0
commit b201b1dab1
1 changed files with 0 additions and 31 deletions
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31
include/haproxy/fd.h
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@ -311,37 +311,6 @@ static inline void fd_want_send(int fd)
updt_fd_polling(fd); updt_fd_polling(fd);
} }
/* Set the fd as currently running on the current thread.
* Returns 0 if all goes well, or -1 if we no longer own the fd, and should
* do nothing with it.
*/
static inline int fd_set_running(int fd)
{
#ifndef HA_HAVE_CAS_DW
HA_RWLOCK_RDLOCK(OTHER_LOCK, &fd_mig_lock);
if (!(fdtab[fd].thread_mask & tid_bit)) {
HA_RWLOCK_RDUNLOCK(OTHER_LOCK, &fd_mig_lock);
return -1;
}
_HA_ATOMIC_OR(&fdtab[fd].running_mask, tid_bit);
HA_RWLOCK_RDUNLOCK(OTHER_LOCK, &fd_mig_lock);
return 0;
#else
unsigned long old_masks[2];
unsigned long new_masks[2];
old_masks[0] = fdtab[fd].running_mask;
old_masks[1] = fdtab[fd].thread_mask;
do {
if (!(old_masks[1] & tid_bit))
return -1;
new_masks[0] = fdtab[fd].running_mask | tid_bit;
new_masks[1] = old_masks[1];
} while (!(HA_ATOMIC_DWCAS(&fdtab[fd].running_mask, &old_masks, &new_masks)));
return 0;
#endif
}
/* remove tid_bit from the fd's running mask and returns the bits that remain /* remove tid_bit from the fd's running mask and returns the bits that remain
* after the atomic operation. * after the atomic operation.
*/ */