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Make locks more reliable

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This change switches most of the core locks to be re-entrant, in order
to reduce the chance of deadlocking code that does, clever things with
asynchronous signal handlers. This change implements it it in pthreads
so we're one step closer to having a standardized threading primitives
This commit is contained in:
Justine Tunney 2022-06-11 01:59:26 -07:00
parent 5ea618f0af
commit c260345e06
35 changed files with 369 additions and 258 deletions
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4
test/libc/thread/create_test.c
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@ -37,7 +37,6 @@ TEST(cthread_create, testJoinDeadlock) {
}
TEST(cthread_create, testCreateReturnJoin) {
if (IsOpenbsd()) return; // TODO(jart): we've getting flakes
void *exitcode;
cthread_t thread;
ASSERT_EQ(0, cthread_create(&thread, 0, ReturnArg, ReturnArg));
@ -50,7 +49,6 @@ static void *ExitArg(void *arg) {
}
TEST(cthread_create, testCreateExitJoin) {
if (IsOpenbsd()) return; // TODO(jart): we've getting flakes
void *exitcode;
cthread_t thread;
ASSERT_EQ(0, cthread_create(&thread, 0, ExitArg, (void *)-31337));
@ -61,7 +59,6 @@ TEST(cthread_create, testCreateExitJoin) {
TEST(gcctls, size) {
if (IsXnu()) return; // TODO(jart): codemorph
if (IsWindows()) return; // TODO(jart): codemorph
if (IsOpenbsd()) return; // TODO(jart): we've getting flakes
// schlep in .zip section too
// make sure executable isn't too huge
size_t size;
@ -87,7 +84,6 @@ static void *TlsWorker(void *arg) {
TEST(gcctls, worksAndIsNonInheritable) {
if (IsXnu()) return; // TODO(jart): codemorph
if (IsWindows()) return; // TODO(jart): codemorph
if (IsOpenbsd()) return; // TODO(jart): we've getting flakes
void *exitcode;
cthread_t thread;
ASSERT_EQ(tdata, 31337);