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Do not treat it as an error when ignoring SIGPIPE if there is already a SIGPIPE handler installed

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This commit is contained in:
rakslice 2025-01-22 19:49:54 -08:00
parent 63e28afb8e
commit 01dc76b0f4
1 changed files with 8 additions and 5 deletions
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13
BasiliskII/src/Unix/ether_unix.cpp
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@ -326,11 +326,14 @@ bool ether_init(void)
// Don't raise SIGPIPE, let errno be set to EPIPE
struct sigaction sigpipe_sa;
if (sigaction(SIGPIPE, NULL, &sigpipe_sa) == 0) {
assert(sigpipe_sa.sa_handler == SIG_DFL || sigpipe_sa.sa_handler == SIG_IGN);
sigfillset(&sigpipe_sa.sa_mask);
sigpipe_sa.sa_flags = 0;
sigpipe_sa.sa_handler = SIG_IGN;
sigaction(SIGPIPE, &sigpipe_sa, NULL);
if (sigpipe_sa.sa_handler == SIG_DFL || sigpipe_sa.sa_handler == SIG_IGN) {
sigfillset(&sigpipe_sa.sa_mask);
sigpipe_sa.sa_flags = 0;
sigpipe_sa.sa_handler = SIG_IGN;
sigaction(SIGPIPE, &sigpipe_sa, NULL);
}
// If something else in the process has installed a SIGPIPE handler (SDL kmsdrm?),
// and wants to eat our unwanted signals instead, that's fine too.
}
#ifdef HAVE_SLIRP