| From d64a282b57352dde5f5b007947c005e504dc9a6b Mon Sep 17 00:00:00 2001 |
| From: Khem Raj <raj.khem@gmail.com> |
| Date: Sat, 17 Dec 2022 10:46:31 -0800 |
| Subject: [PATCH] configure: Check for pthread_rwlockattr_setkind_np before use |
| |
| musl does not implement this therefore detect this non-posix API before |
| using it |
| |
| Upstream-Status: Submitted [https://github.com/stressapptest/stressapptest/pull/100] |
| Signed-off-by: Khem Raj <raj.khem@gmail.com> |
| --- |
| configure.ac | 1 + |
| src/worker.cc | 2 ++ |
| 2 files changed, 3 insertions(+) |
| |
| diff --git a/configure.ac b/configure.ac |
| index 403728c..47968cb 100644 |
| --- a/configure.ac |
| +++ b/configure.ac |
| @@ -157,6 +157,7 @@ AC_FUNC_STRERROR_R |
| AC_FUNC_VPRINTF |
| AC_CHECK_FUNCS([ftruncate gettimeofday memset munmap select socket strtol strtoull]) |
| AC_CHECK_FUNCS([mmap64 posix_memalign rand_r sched_getaffinity]) |
| +AC_CHECK_FUNCS([pthread_rwlockattr_setkind_np]) |
| |
| AC_CONFIG_FILES([Makefile src/Makefile]) |
| AC_OUTPUT |
| diff --git a/src/worker.cc b/src/worker.cc |
| index 41e93a0..c4abc87 100644 |
| --- a/src/worker.cc |
| +++ b/src/worker.cc |
| @@ -133,9 +133,11 @@ void WorkerStatus::Initialize() { |
| |
| pthread_rwlockattr_t attrs; |
| sat_assert(0 == pthread_rwlockattr_init(&attrs)); |
| +#ifdef HAVE_PTHREAD_RWLOCKATTR_SETKIND_NP |
| // Avoid writer lock starvation. |
| sat_assert(0 == pthread_rwlockattr_setkind_np( |
| &attrs, PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP)); |
| +#endif |
| sat_assert(0 == pthread_rwlock_init(&status_rwlock_, &attrs)); |
| |
| #ifdef HAVE_PTHREAD_BARRIERS |