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Make detached threads work better

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This change adds a double linked list of threads, so that pthread_exit()
will know when it should call exit() from an orphaned child. This change
also improves ftrace and strace logging.
This commit is contained in:
Justine Tunney 2022-11-09 03:58:57 -08:00
parent b74d8c1acd
commit cee6871710
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GPG key ID: BE714B4575D6E328
37 changed files with 638 additions and 314 deletions
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10
test/libc/thread/pthread_detach_test.c
View file

@ -19,10 +19,13 @@
#include "libc/calls/calls.h"
#include "libc/calls/struct/sigaction.h"
#include "libc/errno.h"
#include "libc/intrin/strace.internal.h"
#include "libc/sysv/consts/sa.h"
#include "libc/sysv/consts/sig.h"
#include "libc/testlib/testlib.h"
#include "libc/thread/posixthread.internal.h"
#include "libc/thread/thread.h"
#include "third_party/nsync/dll.h"
void OnUsr1(int sig, struct siginfo *si, void *vctx) {
struct ucontext *ctx = vctx;
@ -40,7 +43,6 @@ void TriggerSignal(void) {
}
static void *Increment(void *arg) {
ASSERT_EQ(EDEADLK, pthread_join(pthread_self(), 0));
ASSERT_EQ(gettid(), pthread_getthreadid_np());
TriggerSignal();
return (void *)((uintptr_t)arg + 1);
@ -50,6 +52,9 @@ TEST(pthread_detach, testCreateReturn) {
pthread_t id;
ASSERT_EQ(0, pthread_create(&id, 0, Increment, 0));
ASSERT_EQ(0, pthread_detach(id));
while (!pthread_orphan_np()) {
pthread_decimate_np();
}
}
TEST(pthread_detach, testDetachUponCreation) {
@ -58,4 +63,7 @@ TEST(pthread_detach, testDetachUponCreation) {
ASSERT_EQ(0, pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED));
ASSERT_EQ(0, pthread_create(0, &attr, Increment, 0));
ASSERT_EQ(0, pthread_attr_destroy(&attr));
while (!pthread_orphan_np()) {
pthread_decimate_np();
}
}