Files
clang-p2996/compiler-rt/lib/profile/InstrProfilingUtil.h
Xinliang David Li 5cd1f94d4f [profile] in-process mergeing support (part-2)
(Part-1 merging API is in profile runtime)

This patch implements a portable file opening API
with exclusive access for the process. In-process
profile merge requires profile file update to be
atomic/fully sychronized.

llvm-svn: 271864
2016-06-06 03:17:58 +00:00

34 lines
1.1 KiB
C

/*===- InstrProfilingUtil.h - Support library for PGO instrumentation -----===*\
|*
|* The LLVM Compiler Infrastructure
|*
|* This file is distributed under the University of Illinois Open Source
|* License. See LICENSE.TXT for details.
|*
\*===----------------------------------------------------------------------===*/
#ifndef PROFILE_INSTRPROFILINGUTIL_H
#define PROFILE_INSTRPROFILINGUTIL_H
#include <stddef.h>
#include <stdio.h>
/*! \brief Create a directory tree. */
void __llvm_profile_recursive_mkdir(char *Pathname);
/*! Open file \c Filename for read+write with write
* lock for exclusive access. The caller will block
* if the lock is already held by another process. */
FILE *lprofOpenFileEx(const char *Filename);
/* PS4 doesn't have getenv. Define a shim. */
#if __ORBIS__
static inline char *getenv(const char *name) { return NULL; }
#endif /* #if __ORBIS__ */
int lprofGetHostName(char *Name, int Len);
unsigned lprofBoolCmpXchg(void **Ptr, void *OldV, void *NewV);
void *lprofPtrFetchAdd(void **Mem, long ByteIncr);
#endif /* PROFILE_INSTRPROFILINGUTIL_H */