diff options
Diffstat (limited to 'Modules/main.c')
| -rw-r--r-- | Modules/main.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/Modules/main.c b/Modules/main.c index da79a63..a062991 100644 --- a/Modules/main.c +++ b/Modules/main.c @@ -9,6 +9,13 @@ #include "pycore_pystate.h" #include <locale.h> +#ifdef HAVE_SIGNAL_H +#include <signal.h> +#endif +#include <stdio.h> +#if defined(HAVE_GETPID) && defined(HAVE_UNISTD_H) +#include <unistd.h> +#endif #if defined(MS_WINDOWS) || defined(__CYGWIN__) # include <windows.h> @@ -1830,6 +1837,29 @@ pymain_main(_PyMain *pymain) pymain_free(pymain); + if (_Py_UnhandledKeyboardInterrupt) { + /* https://bugs.python.org/issue1054041 - We need to exit via the + * SIG_DFL handler for SIGINT if KeyboardInterrupt went unhandled. + * If we don't, a calling process such as a shell may not know + * about the user's ^C. https://www.cons.org/cracauer/sigint.html */ +#if defined(HAVE_GETPID) && !defined(MS_WINDOWS) + if (PyOS_setsig(SIGINT, SIG_DFL) == SIG_ERR) { + perror("signal"); /* Impossible in normal environments. */ + } else { + kill(getpid(), SIGINT); + } + /* If setting SIG_DFL failed, or kill failed to terminate us, + * there isn't much else we can do aside from an error code. */ +#endif /* HAVE_GETPID && !MS_WINDOWS */ +#ifdef MS_WINDOWS + /* cmd.exe detects this, prints ^C, and offers to terminate. */ + /* https://msdn.microsoft.com/en-us/library/cc704588.aspx */ + pymain->status = STATUS_CONTROL_C_EXIT; +#else + pymain->status = SIGINT + 128; +#endif /* !MS_WINDOWS */ + } + return pymain->status; } |