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/*===- InstrProfilingUtil.c - 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.
|*
\*===----------------------------------------------------------------------===*/
#include "InstrProfilingUtil.h"
#include "InstrProfiling.h"
#ifdef _WIN32
#include <direct.h>
#else
#include <sys/stat.h>
#include <sys/types.h>
#endif
#ifdef COMPILER_RT_HAS_UNAME
#include <sys/utsname.h>
#endif
#include <string.h>
COMPILER_RT_VISIBILITY
void __llvm_profile_recursive_mkdir(char *path) {
int i;
for (i = 1; path[i] != '\0'; ++i) {
if (path[i] != '/') continue;
path[i] = '\0';
#ifdef _WIN32
_mkdir(path);
#else
mkdir(path, 0755); /* Some of these will fail, ignore it. */
#endif
path[i] = '/';
}
}
#if COMPILER_RT_HAS_ATOMICS != 1
COMPILER_RT_VISIBILITY
uint32_t lprofBoolCmpXchg(void **Ptr, void *OldV, void *NewV) {
void *R = *Ptr;
if (R == OldV) {
*Ptr = NewV;
return 1;
}
return 0;
}
#endif
#ifdef COMPILER_RT_HAS_UNAME
int lprofGetHostName(char *Name, int Len) {
struct utsname N;
int R;
if (!(R = uname(&N)))
strncpy(Name, N.nodename, Len);
return R;
}
#endif
|
