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runtime/cgo: create C pthreads in detached state
Rather than explicitly calling pthread_detach. Fixes #68850 Change-Id: I7b4042283f9feb5383bffd40fae6db6d23217f97 Reviewed-on: https://go-review.googlesource.com/c/go/+/605257 Commit-Queue: Ian Lance Taylor <iant@google.com> Auto-Submit: Ian Lance Taylor <iant@google.com> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com> Reviewed-by: Ian Lance Taylor <iant@google.com> Reviewed-by: Cherry Mui <cherryyz@google.com>
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@ -34,6 +34,7 @@ _cgo_sys_thread_start(ThreadStart *ts)
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size = pthread_get_stacksize_np(pthread_self());
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pthread_attr_init(&attr);
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pthread_attr_setstacksize(&attr, size);
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pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
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// Leave stacklo=0 and set stackhi=size; mstart will do the rest.
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ts->g->stackhi = size;
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err = _cgo_try_pthread_create(&p, &attr, threadentry, ts);
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@ -39,6 +39,7 @@ _cgo_sys_thread_start(ThreadStart *ts)
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size = pthread_get_stacksize_np(pthread_self());
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pthread_attr_init(&attr);
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pthread_attr_setstacksize(&attr, size);
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pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
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// Leave stacklo=0 and set stackhi=size; mstart will do the rest.
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ts->g->stackhi = size;
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err = _cgo_try_pthread_create(&p, &attr, threadentry, ts);
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@ -33,6 +33,7 @@ _cgo_sys_thread_start(ThreadStart *ts)
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pthread_sigmask(SIG_SETMASK, &ign, &oset);
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pthread_attr_init(&attr);
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pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
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pthread_attr_getstacksize(&attr, &size);
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// Leave stacklo=0 and set stackhi=size; mstart will do the rest.
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@ -45,6 +45,7 @@ _cgo_sys_thread_start(ThreadStart *ts)
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pthread_sigmask(SIG_SETMASK, &ign, &oset);
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pthread_attr_init(&attr);
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pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
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pthread_attr_getstacksize(&attr, &size);
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// Leave stacklo=0 and set stackhi=size; mstart will do the rest.
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ts->g->stackhi = size;
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@ -43,6 +43,7 @@ _cgo_sys_thread_start(ThreadStart *ts)
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pthread_sigmask(SIG_SETMASK, &ign, &oset);
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pthread_attr_init(&attr);
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pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
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pthread_attr_getstacksize(&attr, &size);
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// Leave stacklo=0 and set stackhi=size; mstart will do the rest.
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ts->g->stackhi = size;
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@ -37,8 +37,12 @@ static void (*cgo_context_function)(struct context_arg*);
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void
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x_cgo_sys_thread_create(void* (*func)(void*), void* arg) {
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pthread_attr_t attr;
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pthread_t p;
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int err = _cgo_try_pthread_create(&p, NULL, func, arg);
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pthread_attr_init(&attr);
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pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
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int err = _cgo_try_pthread_create(&p, &attr, func, arg);
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if (err != 0) {
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fprintf(stderr, "pthread_create failed: %s", strerror(err));
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abort();
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@ -153,7 +157,6 @@ _cgo_try_pthread_create(pthread_t* thread, const pthread_attr_t* attr, void* (*p
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for (tries = 0; tries < 20; tries++) {
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err = pthread_create(thread, attr, pfn, arg);
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if (err == 0) {
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pthread_detach(*thread);
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return 0;
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}
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if (err != EAGAIN) {
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@ -40,6 +40,7 @@ _cgo_sys_thread_start(ThreadStart *ts)
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pthread_sigmask(SIG_SETMASK, &ign, &oset);
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pthread_attr_init(&attr);
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pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
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pthread_attr_getstacksize(&attr, &size);
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// Leave stacklo=0 and set stackhi=size; mstart will do the rest.
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ts->g->stackhi = size;
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@ -63,6 +63,7 @@ _cgo_sys_thread_start(ThreadStart *ts)
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pthread_sigmask(SIG_SETMASK, &ign, &oset);
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pthread_attr_init(&attr);
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pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
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pthread_attr_getstacksize(&attr, &size);
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// Leave stacklo=0 and set stackhi=size; mstart will do the rest.
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ts->g->stackhi = size;
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@ -28,6 +28,7 @@ _cgo_sys_thread_start(ThreadStart *ts)
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pthread_sigmask(SIG_SETMASK, &ign, &oset);
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pthread_attr_init(&attr);
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pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
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pthread_attr_getstacksize(&attr, &size);
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// Leave stacklo=0 and set stackhi=size; mstart will do the rest.
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ts->g->stackhi = size;
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@ -33,6 +33,7 @@ _cgo_sys_thread_start(ThreadStart *ts)
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pthread_sigmask(SIG_SETMASK, &ign, &oset);
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pthread_attr_init(&attr);
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pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
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pthread_attr_getstacksize(&attr, &size);
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// Leave stacklo=0 and set stackhi=size; mstart will do the rest.
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ts->g->stackhi = size;
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@ -35,6 +35,7 @@ _cgo_sys_thread_start(ThreadStart *ts)
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pthread_sigmask(SIG_SETMASK, &ign, &oset);
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pthread_attr_init(&attr);
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pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
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pthread_attr_getstacksize(&attr, &size);
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// Leave stacklo=0 and set stackhi=size; mstart will do the rest.
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ts->g->stackhi = size;
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@ -34,6 +34,7 @@ _cgo_sys_thread_start(ThreadStart *ts)
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pthread_sigmask(SIG_SETMASK, &ign, &oset);
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pthread_attr_init(&attr);
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pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
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pthread_attr_getstacksize(&attr, &size);
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// Leave stacklo=0 and set stackhi=size; mstart will do the rest.
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@ -35,6 +35,7 @@ _cgo_sys_thread_start(ThreadStart *ts)
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pthread_sigmask(SIG_SETMASK, &ign, &oset);
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pthread_attr_init(&attr);
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pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
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pthread_attr_getstacksize(&attr, &size);
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// Leave stacklo=0 and set stackhi=size; mstart will do the rest.
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ts->g->stackhi = size;
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