diff options
Diffstat (limited to 'src/subprocess-win32.cc')
| -rw-r--r-- | src/subprocess-win32.cc | 29 |
1 files changed, 19 insertions, 10 deletions
diff --git a/src/subprocess-win32.cc b/src/subprocess-win32.cc index c9607e1..fad66e8 100644 --- a/src/subprocess-win32.cc +++ b/src/subprocess-win32.cc @@ -21,7 +21,9 @@ #include "util.h" -Subprocess::Subprocess() : child_(NULL) , overlapped_(), is_reading_(false) { +Subprocess::Subprocess(bool use_console) : child_(NULL) , overlapped_(), + is_reading_(false), + use_console_(use_console) { } Subprocess::~Subprocess() { @@ -87,18 +89,25 @@ bool Subprocess::Start(SubprocessSet* set, const string& command) { STARTUPINFOA startup_info; memset(&startup_info, 0, sizeof(startup_info)); startup_info.cb = sizeof(STARTUPINFO); - startup_info.dwFlags = STARTF_USESTDHANDLES; - startup_info.hStdInput = nul; - startup_info.hStdOutput = child_pipe; - startup_info.hStdError = child_pipe; + if (!use_console_) { + startup_info.dwFlags = STARTF_USESTDHANDLES; + startup_info.hStdInput = nul; + startup_info.hStdOutput = child_pipe; + startup_info.hStdError = child_pipe; + } + // In the console case, child_pipe is still inherited by the child and closed + // when the subprocess finishes, which then notifies ninja. PROCESS_INFORMATION process_info; memset(&process_info, 0, sizeof(process_info)); + // Ninja handles ctrl-c, except for subprocesses in console pools. + DWORD process_flags = use_console_ ? 0 : CREATE_NEW_PROCESS_GROUP; + // Do not prepend 'cmd /c' on Windows, this breaks command // lines greater than 8,191 chars. if (!CreateProcessA(NULL, (char*)command.c_str(), NULL, NULL, - /* inherit handles */ TRUE, CREATE_NEW_PROCESS_GROUP, + /* inherit handles */ TRUE, process_flags, NULL, NULL, &startup_info, &process_info)) { DWORD error = GetLastError(); @@ -215,9 +224,7 @@ BOOL WINAPI SubprocessSet::NotifyInterrupted(DWORD dwCtrlType) { } Subprocess *SubprocessSet::Add(const string& command, bool use_console) { - assert(!use_console); // We don't support this yet on Windows. - - Subprocess *subprocess = new Subprocess; + Subprocess *subprocess = new Subprocess(use_console); if (!subprocess->Start(this, command)) { delete subprocess; return 0; @@ -269,7 +276,9 @@ Subprocess* SubprocessSet::NextFinished() { void SubprocessSet::Clear() { for (vector<Subprocess*>::iterator i = running_.begin(); i != running_.end(); ++i) { - if ((*i)->child_) { + // Since the foreground process is in our process group, it will receive a + // CTRL_C_EVENT or CTRL_BREAK_EVENT at the same time as us. + if ((*i)->child_ && !(*i)->use_console_) { if (!GenerateConsoleCtrlEvent(CTRL_BREAK_EVENT, GetProcessId((*i)->child_))) { Win32Fatal("GenerateConsoleCtrlEvent"); |