mirror of https://github.com/golang/go.git
72 lines
1.2 KiB
C
72 lines
1.2 KiB
C
// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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#include <pthread.h>
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#include "libcgo.h"
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static void* threadentry(void*);
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void
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initcgo(void)
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{
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}
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void
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libcgo_sys_thread_start(ThreadStart *ts)
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{
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pthread_attr_t attr;
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pthread_t p;
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size_t size;
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pthread_attr_init(&attr);
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pthread_attr_getstacksize(&attr, &size);
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ts->g->stackguard = size;
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pthread_create(&p, &attr, threadentry, ts);
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}
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static void*
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threadentry(void *v)
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{
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ThreadStart ts;
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ts = *(ThreadStart*)v;
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free(v);
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ts.g->stackbase = (uintptr)&ts;
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/*
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* libcgo_sys_thread_start set stackguard to stack size;
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* change to actual guard pointer.
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*/
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ts.g->stackguard = (uintptr)&ts - ts.g->stackguard + 4096;
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crosscall_amd64(ts.m, ts.g, ts.fn);
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return nil;
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}
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static __thread void *libcgo_m;
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static __thread void *libcgo_g;
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void
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libcgo_set_scheduler(void *m, void *g)
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{
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libcgo_m = m;
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libcgo_g = g;
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}
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struct get_scheduler_args {
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void *m;
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void *g;
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};
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void libcgo_get_scheduler(struct get_scheduler_args *)
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__attribute__ ((visibility("hidden")));
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void
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libcgo_get_scheduler(struct get_scheduler_args *p)
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{
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p->m = libcgo_m;
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p->g = libcgo_g;
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}
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