mirrors/cosmopolitan
1
0
Fork 0
mirror of https://github.com/jart/cosmopolitan.git synced 2025-06-27 06:48:31 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

Make improvements to locking

Browse source 
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
Download patch file Download diff file Expand all files Collapse all files

6
test/libc/stdio/dtoa_test.c
View file

@ -30,7 +30,7 @@
#include "libc/testlib/testlib.h"
#include "libc/x/x.h"
#define THREADS 16
#define THREADS 32
#define DUB(i) (union Dub){i}.x
@ -61,10 +61,6 @@ int Worker(void *p) {
}
TEST(dtoa, test) {
if (IsNetbsd()) {
// TODO(jart): Why does this flake on NetBSD?!
return;
}
int i;
for (i = 0; i < THREADS; ++i) {
clone(Worker,

5
test/libc/stdio/fputc_test.c
View file

@ -17,6 +17,7 @@
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/calls/calls.h"
#include "libc/runtime/internal.h"
#include "libc/stdio/stdio.h"
#include "libc/testlib/ezbench.h"
#include "libc/testlib/testlib.h"
@ -63,11 +64,15 @@ TEST(fgetc, testUnbuffered) {
}
BENCH(fputc, bench) {
__enable_tls();
__enable_threads();
FILE *f;
ASSERT_NE(NULL, (f = fopen("/dev/null", "w")));
EZBENCH2("fputc", donothing, fputc('E', f));
flockfile(f);
flockfile(f);
EZBENCH2("fputc_unlocked", donothing, fputc_unlocked('E', f));
funlockfile(f);
funlockfile(f);
fclose(f);
}