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Restore a couple more signal handlers that python nukes

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Kovid Goyal 2022-06-04 14:28:56 +05:30
parent 0df5a6c6c8
commit 2c3a7b5f41
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1 changed files with 7 additions and 0 deletions
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kitty/child.c
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@ -98,10 +98,17 @@ spawn(PyObject *self UNUSED, PyObject *args) {
#if PY_VERSION_HEX >= 0x03070000
PyOS_AfterFork_Child();
#endif
// See _Py_RestoreSignals in signalmodule.c for a list of signals python nukes
sigset_t signals = {0};
struct sigaction act = {.sa_handler=SIG_DFL};
#define SA(which) { if (sigaction(which, &act, NULL) != 0) exit_on_err("sigaction() in child process failed"); }
SA(SIGINT); SA(SIGTERM); SA(SIGCHLD); SA(SIGPIPE);
#ifdef SIGXFSZ
SA(SIGXFSZ);
#endif
#ifdef SIGXFZ
SA(SIGXFZ);
#endif
#undef SA
if (sigprocmask(SIG_SETMASK, &signals, NULL) != 0) exit_on_err("sigprocmask() in child process failed");
// Use only signal-safe functions (man 7 signal-safety)