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Make improvements to locking

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This change makes pthread_mutex_lock() as fast as _spinlock() by
default. Thread instability issues on NetBSD have been resolved.
Improvements made to gdtoa thread code. Crash reporting will now
synchronize between threads in a slightly better way.
This commit is contained in:
Justine Tunney 2022-06-19 01:13:03 -07:00
parent 25041b8026
commit d5312b60f7
60 changed files with 890 additions and 629 deletions
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8
third_party/gdtoa/sum.c vendored
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@ -33,7 +33,7 @@
/* clang-format off */
Bigint *
__gdtoa_sum(Bigint *a, Bigint *b)
__gdtoa_sum(Bigint *a, Bigint *b, ThInfo **PTI)
{
Bigint *c;
ULong carry, *xc, *xa, *xb, *xe, y;
@ -41,7 +41,7 @@ __gdtoa_sum(Bigint *a, Bigint *b)
if (a->wds < b->wds) {
c = b; b = a; a = c;
}
c = __gdtoa_Balloc(a->k);
c = __gdtoa_Balloc(a->k, PTI);
c->wds = a->wds;
carry = 0;
xa = a->x;
@ -66,9 +66,9 @@ __gdtoa_sum(Bigint *a, Bigint *b)
}
if (carry) {
if (c->wds == c->maxwds) {
b = __gdtoa_Balloc(c->k + 1);
b = __gdtoa_Balloc(c->k + 1, PTI);
Bcopy(b, c);
__gdtoa_Bfree(c);
__gdtoa_Bfree(c, PTI);
c = b;
}
c->x[c->wds++] = 1;