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45a7435788
* Exponential back-off * Removed "native" specifier * Abstract away Futex for cthread * Complete setup for TLS (including main thread)
63 lines
2 KiB
C
63 lines
2 KiB
C
#if 0
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/*─────────────────────────────────────────────────────────────────╗
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│ To the extent possible under law, Justine Tunney has waived │
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│ all copyright and related or neighboring rights to this file, │
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│ as it is written in the following disclaimers: │
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│ • http://unlicense.org/ │
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│ • http://creativecommons.org/publicdomain/zero/1.0/ │
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╚─────────────────────────────────────────────────────────────────*/
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#endif
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#include "libc/calls/calls.h"
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#include "libc/runtime/runtime.h"
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#include "libc/stdio/stdio.h"
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#include "libc/thread/create.h"
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#include "libc/thread/self.h"
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#include "libc/thread/detach.h"
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#include "libc/thread/join.h"
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#include "libc/thread/sem.h"
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#include "libc/time/time.h"
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cthread_sem_t semaphore;
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__thread int test_tls = 0x12345678;
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int worker(void* arg) {
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void* p;
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arch_prctl(ARCH_GET_FS, &p);
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cthread_sem_signal(&semaphore);
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cthread_t self = cthread_self();
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int tid = self->tid;
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sleep(1);
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//sleep(10000);
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printf("[%p] %d -> 0x%x\n", self, tid, test_tls);
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(void)arg;
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return 4;
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}
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int main() {
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cthread_t self = cthread_self();
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int tid = self->tid;
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printf("[%p] %d -> 0x%x\n", self, tid, test_tls);
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cthread_sem_init(&semaphore, 0);
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cthread_t thread;
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int rc = cthread_create(&thread, NULL, &worker, NULL);
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if (rc == 0) {
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cthread_sem_wait(&semaphore, 0, NULL);
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//printf("thread created: %p\n", thread);
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sleep(1);
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#if 1
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cthread_join(thread, &rc);
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#else
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rc = cthread_detach(thread);
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sleep(2);
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#endif
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cthread_sem_signal(&semaphore);
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cthread_sem_wait(&semaphore, 0, NULL);
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//printf("thread joined: %p -> %d\n", thread, rc);
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} else {
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printf("ERROR: thread could not be started: %d\n", rc);
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}
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return 0;
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}
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