Author: Hans Wennborg Date: 2020-02-26T13:34:20+01:00 New Revision: 57a064f8dc8301ce8b017c84782286816dc58911
URL: https://github.com/llvm/llvm-project/commit/57a064f8dc8301ce8b017c84782286816dc58911 DIFF: https://github.com/llvm/llvm-project/commit/57a064f8dc8301ce8b017c84782286816dc58911.diff LOG: Revert "[compiler-rt] Add a critical section when flushing gcov counters" See the discussion on PR44792. This reverts commit 02ce9d8ef5a84bc884de4105eae5f8736ef67634. Added: Modified: compiler-rt/lib/profile/GCDAProfiling.c Removed: ################################################################################ diff --git a/compiler-rt/lib/profile/GCDAProfiling.c b/compiler-rt/lib/profile/GCDAProfiling.c index 81f2cdd26450..498c05900bf2 100644 --- a/compiler-rt/lib/profile/GCDAProfiling.c +++ b/compiler-rt/lib/profile/GCDAProfiling.c @@ -62,27 +62,8 @@ typedef unsigned long long uint64_t; #include "InstrProfiling.h" #include "InstrProfilingUtil.h" -#ifndef _WIN32 -#include <pthread.h> -static pthread_mutex_t gcov_flush_mutex = PTHREAD_MUTEX_INITIALIZER; -static __inline void gcov_flush_lock() { - pthread_mutex_lock(&gcov_flush_mutex); -} -static __inline void gcov_flush_unlock() { - pthread_mutex_unlock(&gcov_flush_mutex); -} -#else -#include <windows.h> -static SRWLOCK gcov_flush_mutex = SRWLOCK_INIT; -static __inline void gcov_flush_lock() { - AcquireSRWLockExclusive(&gcov_flush_mutex); -} -static __inline void gcov_flush_unlock() { - ReleaseSRWLockExclusive(&gcov_flush_mutex); -} -#endif - /* #define DEBUG_GCDAPROFILING */ + /* * --- GCOV file format I/O primitives --- */ @@ -639,16 +620,12 @@ void llvm_register_flush_function(fn_ptr fn) { } void __gcov_flush() { - gcov_flush_lock(); - struct fn_node* curr = flush_fn_list.head; while (curr) { curr->fn(); curr = curr->next; } - - gcov_flush_unlock(); } COMPILER_RT_VISIBILITY _______________________________________________ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits
