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Code Issues 1 Releases Wiki Activity

Add thread/self.

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This commit is contained in:
Calvin Rose 2019-12-07 17:54:08 -06:00
parent 131733549d
commit c9c4424261
1 changed files with 35 additions and 14 deletions
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49
src/core/thread.c
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@ -45,6 +45,7 @@ struct JanetMailbox {
}; };
static JANET_THREAD_LOCAL JanetMailbox *janet_vm_mailbox = NULL; static JANET_THREAD_LOCAL JanetMailbox *janet_vm_mailbox = NULL;
static JANET_THREAD_LOCAL JanetThread *janet_vm_thread_self = NULL;
static JanetMailbox *janet_mailbox_create(JanetMailbox *parent, int refCount) { static JanetMailbox *janet_mailbox_create(JanetMailbox *parent, int refCount) {
JanetMailbox *mailbox = malloc(sizeof(JanetMailbox)); JanetMailbox *mailbox = malloc(sizeof(JanetMailbox));
@ -82,20 +83,6 @@ static void janet_mailbox_ref(JanetMailbox *mailbox, int delta) {
janet_mailbox_ref_with_lock(mailbox, delta); janet_mailbox_ref_with_lock(mailbox, delta);
} }
void janet_threads_init(void) {
if (NULL != janet_vm_mailbox) {
return;
}
janet_vm_mailbox = janet_mailbox_create(NULL, 1);
}
void janet_threads_deinit(void) {
pthread_mutex_lock(&janet_vm_mailbox->lock);
janet_vm_mailbox->closed = 1;
janet_mailbox_ref_with_lock(janet_vm_mailbox, -1);
janet_vm_mailbox = NULL;
}
static void janet_close_thread(JanetThread *thread) { static void janet_close_thread(JanetThread *thread) {
if (thread->mailbox) { if (thread->mailbox) {
janet_mailbox_ref(thread->mailbox, -1); janet_mailbox_ref(thread->mailbox, -1);
@ -348,10 +335,39 @@ static int janet_thread_start_child(JanetThread *thread) {
} }
} }
/*
* Setup/Teardown
*/
void janet_threads_init(void) {
if (NULL == janet_vm_mailbox) {
janet_vm_mailbox = janet_mailbox_create(NULL, 1);
}
}
void janet_threads_deinit(void) {
pthread_mutex_lock(&janet_vm_mailbox->lock);
janet_vm_mailbox->closed = 1;
janet_mailbox_ref_with_lock(janet_vm_mailbox, -1);
janet_vm_mailbox = NULL;
janet_vm_thread_self = NULL;
}
/* /*
* Cfuns * Cfuns
*/ */
static Janet cfun_thread_self(int32_t argc, Janet *argv) {
(void) argv;
janet_fixarity(argc, 0);
if (NULL == janet_vm_thread_self) {
janet_vm_thread_self = janet_make_thread(janet_vm_mailbox, janet_get_core_table("make-image-dict"));
janet_mailbox_ref(janet_vm_mailbox, 1);
janet_gcroot(janet_wrap_abstract(janet_vm_thread_self));
}
return janet_wrap_abstract(janet_vm_thread_self);
}
static Janet cfun_thread_new(int32_t argc, Janet *argv) { static Janet cfun_thread_new(int32_t argc, Janet *argv) {
janet_fixarity(argc, 0); janet_fixarity(argc, 0);
(void) argv; (void) argv;
@ -419,6 +435,11 @@ static Janet janet_thread_getter(void *p, Janet key) {
} }
static const JanetReg threadlib_cfuns[] = { static const JanetReg threadlib_cfuns[] = {
{
"thread/self", cfun_thread_self,
JDOC("(thread/self)\n\n"
"Get the current running thread.")
},
{ {
"thread/new", cfun_thread_new, "thread/new", cfun_thread_new,
JDOC("(thread/new)\n\n" JDOC("(thread/new)\n\n"