1 /*===- InstrProfilingUtil.c - Support library for PGO instrumentation -----===*\
2 |*
3 |*                     The LLVM Compiler Infrastructure
4 |*
5 |* This file is distributed under the University of Illinois Open Source
6 |* License. See LICENSE.TXT for details.
7 |*
8 \*===----------------------------------------------------------------------===*/
9 
10 #include "InstrProfilingUtil.h"
11 #include "InstrProfiling.h"
12 
13 #ifdef _WIN32
14 #include <direct.h>
15 #else
16 #include <sys/stat.h>
17 #include <sys/types.h>
18 #endif
19 
20 #ifdef COMPILER_RT_HAS_UNAME
21 #include <sys/utsname.h>
22 #endif
23 
24 #include <string.h>
25 
26 COMPILER_RT_VISIBILITY
27 void __llvm_profile_recursive_mkdir(char *path) {
28   int i;
29 
30   for (i = 1; path[i] != '\0'; ++i) {
31     if (path[i] != '/') continue;
32     path[i] = '\0';
33 #ifdef _WIN32
34     _mkdir(path);
35 #else
36     mkdir(path, 0755);  /* Some of these will fail, ignore it. */
37 #endif
38     path[i] = '/';
39   }
40 }
41 
42 #if COMPILER_RT_HAS_ATOMICS != 1
43 COMPILER_RT_VISIBILITY
44 uint32_t lprofBoolCmpXchg(void **Ptr, void *OldV, void *NewV) {
45   void *R = *Ptr;
46   if (R == OldV) {
47     *Ptr = NewV;
48     return 1;
49   }
50   return 0;
51 }
52 #endif
53 
54 #ifdef COMPILER_RT_HAS_UNAME
55 int lprofGetHostName(char *Name, int Len) {
56   struct utsname N;
57   int R;
58   if (!(R = uname(&N)))
59     strncpy(Name, N.nodename, Len);
60   return R;
61 }
62 #endif
63 
64 
65