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authorRich Felker <dalias@aerifal.cx>2011-08-02 21:11:36 -0400
committerRich Felker <dalias@aerifal.cx>2011-08-02 21:11:36 -0400
commitec381af90208a5675183202cf05078eac208edfb (patch)
tree26005bfd6a3b4f7b4788183d89ec1c2769bd2022 /README
parentc68de0be2fb649f91b31080224fb6e48084eaaee (diff)
downloadmusl-ec381af90208a5675183202cf05078eac208edfb.tar.gz
musl-ec381af90208a5675183202cf05078eac208edfb.tar.xz
musl-ec381af90208a5675183202cf05078eac208edfb.zip
unify and overhaul timed futex waits
new features:

- FUTEX_WAIT_BITSET op will be used for timed waits if available. this
  saves a call to clock_gettime.

- error checking for the timespec struct is now inside __timedwait so
  it doesn't need to be duplicated everywhere. cond_timedwait still
  needs to duplicate it to avoid unlocking the mutex, though.

- pushing and popping the cancellation handler is delegated to
  __timedwait, and cancellable/non-cancellable waits are unified.
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