diff options
| -rw-r--r-- | compiler-rt/lib/profile/GCDAProfiling.c | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/compiler-rt/lib/profile/GCDAProfiling.c b/compiler-rt/lib/profile/GCDAProfiling.c index 498c05900bf..81f2cdd2645 100644 --- a/compiler-rt/lib/profile/GCDAProfiling.c +++ b/compiler-rt/lib/profile/GCDAProfiling.c @@ -62,8 +62,27 @@ typedef unsigned long long uint64_t; #include "InstrProfiling.h" #include "InstrProfilingUtil.h" -/* #define DEBUG_GCDAPROFILING */ +#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 --- */ @@ -620,12 +639,16 @@ 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 |
