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Fix #8680

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This commit is contained in:
Kovid Goyal
2025-05-27 17:02:30 +05:30
parent 95f840fd56
commit 94f90479a3
1 changed files with 11 additions and 1 deletions
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12
kitty/launcher/main.c
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@@ -396,6 +396,11 @@ handle_fast_commandline(CLISpec *cli_spec, const char *instance_group_prefix) {
printf("session: %s\n", opts.session ? opts.session : "");
exit(0);
} else {
int fds[2] = {0};
if (pipe(fds) == -1) {
perror("failed to create a pipe"); exit(1);
}
#define reopen_or_fail(path, mode, which) { errno = 0; if (freopen(path, mode, which) == NULL) { int s = errno; fprintf(stderr, "Failed to redirect %s to %s with error: ", #which, path); errno = s; perror(NULL); exit(1); } }
if (!(opts.session && ((opts.session[0] == '-' && opts.session[1] == 0) || strcmp(opts.session, "/dev/stdin") == 0)))
reopen_or_fail("/dev/null", "rb", stdin);
@@ -403,8 +408,13 @@ handle_fast_commandline(CLISpec *cli_spec, const char *instance_group_prefix) {
reopen_or_fail(detached_log, "ab", stdout);
reopen_or_fail(detached_log, "ab", stderr);
#undef reopen_or_fail
if (fork() != 0) exit(0);
if (fork() != 0) {
errno = 0; while(read(fds[0], NULL, 0) == -1 && errno == EINTR);
exit(0);
}
while (close(fds[0]) != 0);
setsid();
while (close(fds[1]) != 0);
}
}
unsetenv("KITTY_SI_DATA");