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Improve threading support further

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This commit is contained in:
Justine Tunney 2022-05-17 04:14:28 -07:00
parent 8bfb70ca3f
commit ce71677156
61 changed files with 882 additions and 747 deletions
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4
libc/calls/sigaction.c
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@ -223,7 +223,6 @@ static int __sigaction(int sig, const struct sigaction *act,
rc = 0;
}
if (rc != -1 && !__vforked) {
_spinlock(&__sig_lock);
if (oldact) {
oldrva = __sighandrvas[sig];
oldact->sa_sigaction = (sigaction_f)(
@ -233,7 +232,6 @@ static int __sigaction(int sig, const struct sigaction *act,
__sighandrvas[sig] = rva;
__sighandflags[sig] = act->sa_flags;
}
_spunlock(&__sig_lock);
}
return rc;
}
@ -447,7 +445,9 @@ int sigaction(int sig, const struct sigaction *act, struct sigaction *oldact) {
if (sig == SIGKILL || sig == SIGSTOP) {
rc = einval();
} else {
_spinlock(&__sig_lock);
rc = __sigaction(sig, act, oldact);
_spunlock(&__sig_lock);
}
STRACE("sigaction(%G, %s, [%s]) → %d% m", sig,
DescribeSigaction(buf[0], sizeof(buf[0]), 0, act),