void ShellCommand::wait()
{
int retcode = tryWait();
if (retcode != EXIT_SUCCESS)
{
switch (retcode)
{
case int(ReturnCodes::CANNOT_DUP_STDIN):
throw Exception("Cannot dup2 stdin of child process", ErrorCodes::CANNOT_CREATE_CHILD_PROCESS);
case int(ReturnCodes::CANNOT_DUP_STDOUT):
throw Exception("Cannot dup2 stdout of child process", ErrorCodes::CANNOT_CREATE_CHILD_PROCESS);
case int(ReturnCodes::CANNOT_DUP_STDERR):
throw Exception("Cannot dup2 stderr of child process", ErrorCodes::CANNOT_CREATE_CHILD_PROCESS);
case int(ReturnCodes::CANNOT_EXEC):
throw Exception("Cannot execv in child process", ErrorCodes::CANNOT_CREATE_CHILD_PROCESS);
default:
throw Exception("Child process was exited with return code " + toString(retcode), ErrorCodes::CHILD_WAS_NOT_EXITED_NORMALLY);
}
}
}
void DeterministicSchedule::wait(sem_t* sem) {
while (!tryWait(sem)) {
// we're not busy waiting because this is a deterministic schedule
}
}
