diff options
author | Rich Felker <dalias@aerifal.cx> | 2011-09-26 12:54:28 -0400 |
---|---|---|
committer | Rich Felker <dalias@aerifal.cx> | 2011-09-26 12:54:28 -0400 |
commit | 1fa05210100caefc8546746e08358d81739f4b41 (patch) | |
tree | f54a70f0e4c82aa215307a3b2f4eb026115b6311 /dist | |
parent | fd142e5ec44aaafffbb8bb4ea41c4288d3fa937a (diff) | |
download | musl-1fa05210100caefc8546746e08358d81739f4b41.tar.gz musl-1fa05210100caefc8546746e08358d81739f4b41.tar.xz musl-1fa05210100caefc8546746e08358d81739f4b41.zip |
fix lost signals in cond vars
due to moving waiters from the cond var to the mutex in bcast, these waiters upon wakeup would steal slots in the count from newer waiters that had not yet been signaled, preventing the signal function from taking any action. to solve the problem, we simply use two separate waiter counts, and so that the original "total" waiters count is undisturbed by broadcast and still available for signal.
Diffstat (limited to 'dist')
0 files changed, 0 insertions, 0 deletions