KittyPatch/kitty
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This commit is contained in:
Kovid Goyal 2022-06-03 21:38:49 +05:30
parent 0828096e9e
commit cb01b5ee44
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1 changed files with 1 additions and 4 deletions
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kitty/child.c
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@ -101,7 +101,7 @@ spawn(PyObject *self UNUSED, PyObject *args) {
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(SIGINT); SA(SIGTERM); SA(SIGCHLD); SA(SIGPIPE);
#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)
@ -139,9 +139,6 @@ spawn(PyObject *self UNUSED, PyObject *args) {
for (int c = 3; c < 201; c++) safe_close(c, __FILE__, __LINE__);
environ = env;
// for some reason SIGPIPE is set to SIG_IGN, so reset it, needed by bash,
// which does not reset signal handlers on its own
signal(SIGPIPE, SIG_DFL);
execvp(exe, argv);
// Report the failure and exec a shell instead, so that we are not left
// with a forked but not exec'ed process