From 37de05fec0f2e9bf51e62923318cae1616c0b484 Mon Sep 17 00:00:00 2001 From: Packit Service Date: Dec 08 2020 11:31:32 +0000 Subject: glibc-2.28 base --- diff --git a/benchtests/scripts/import_bench.py b/benchtests/scripts/import_bench.py old mode 100755 new mode 100644 diff --git a/nptl/TODO b/nptl/TODO new file mode 100644 index 0000000..70b8fe4 --- /dev/null +++ b/nptl/TODO @@ -0,0 +1,31 @@ +- we should probably extend pthread_mutexattr_t with a field to create a + single linked list of all instances. This requires changing the + pthread_mutexattr_* functions. + + +- a new attribute for mutexes: number of times we spin before calling +sys_futex + +- for adaptive mutexes: when releasing, determine whether somebody spins. +If yes, for a short time release lock. If someone else locks no wakeup +syscall needed. + + + +- test with threaded process terminating and semadj (?) being applied + only after all threads are gone + + + +- semaphore changes: + + - sem_post should only wake one thread and only when the state of + the semaphore changed from 0 to 1 + + this also requires that sem_wait and sem_timedwait don't drop the + post if they get canceled. + + - possibly add counter field. This requires reviving the + differences between old and new semaphose funtions. The old ones + stay as they are now. The new once can use an additional field + wich is the counter for the number of waiters