1// REQUIRES: continuous-mode
2
3// RUN: rm -rf %t.dir && mkdir -p %t.dir
4//
5// Note: %%p is needed here, not %p, because of lit's path substitution.
6// RUN: %clang_profgen=%t.dir/-%%p -fprofile-continuous -o %t.exe %s
7// RUN: %run %t.exe
8// RUN: %clang_pgogen -fprofile-continuous -o %t.exe %s
9// RUN: env LLVM_PROFILE_FILE="%t.dir/%c-%%p" %run %t.exe
10
11#include <stdlib.h>
12#include <string.h>
13
14extern int __llvm_profile_is_continuous_mode_enabled(void);
15extern const char *__llvm_profile_get_filename(void);
16extern int getpid(void);
17
18int main() {
19 // Check that continuous mode is enabled.
20 if (!__llvm_profile_is_continuous_mode_enabled())
21 return 1;
22
23 // Check that the PID is actually in the filename.
24 const char *Filename = __llvm_profile_get_filename();
25
26 int Len = strlen(s: Filename);
27 --Len;
28 while (Filename[Len] != '-')
29 --Len;
30
31 const char *PidStr = Filename + Len + 1;
32 int Pid = atoi(nptr: PidStr);
33
34 if (Pid != getpid())
35 return 1;
36
37 return 0;
38}
39

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source code of compiler-rt/test/profile/ContinuousSyncMode/pid-substitution.c