diff options
| -rw-r--r-- | llvm/lib/Support/Unix/Program.inc | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/llvm/lib/Support/Unix/Program.inc b/llvm/lib/Support/Unix/Program.inc index dce592f5923..c4123a64046 100644 --- a/llvm/lib/Support/Unix/Program.inc +++ b/llvm/lib/Support/Unix/Program.inc @@ -245,12 +245,16 @@ static bool Execute(ProcessInfo &PI, StringRef Program, Envp = const_cast<const char **>(*_NSGetEnviron()); #endif - // Explicitly initialized to prevent what appears to be a valgrind false - // positive. - pid_t PID = 0; - int Err = posix_spawn(&PID, Program.str().c_str(), FileActions, - /*attrp*/ nullptr, const_cast<char **>(Argv), - const_cast<char **>(Envp)); + constexpr int maxRetries = 8; + int retries = 0; + pid_t PID; + int Err; + do { + PID = 0; // Make Valgrind happy. + Err = posix_spawn(&PID, Program.str().c_str(), FileActions, + /*attrp*/ nullptr, const_cast<char **>(Argv), + const_cast<char **>(Envp)); + } while (Err == EINTR && ++retries < maxRetries); if (FileActions) posix_spawn_file_actions_destroy(FileActions); |
