diff options
Diffstat (limited to 'src/runtime/cgo/gcc_darwin_amd64.c')
-rw-r--r-- | src/runtime/cgo/gcc_darwin_amd64.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/src/runtime/cgo/gcc_darwin_amd64.c b/src/runtime/cgo/gcc_darwin_amd64.c new file mode 100644 index 0000000..955b81d --- /dev/null +++ b/src/runtime/cgo/gcc_darwin_amd64.c @@ -0,0 +1,63 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +#include <string.h> /* for strerror */ +#include <pthread.h> +#include <signal.h> +#include "libcgo.h" +#include "libcgo_unix.h" + +static void* threadentry(void*); +static void (*setg_gcc)(void*); + +void +x_cgo_init(G *g, void (*setg)(void*), void **tlsg, void **tlsbase) +{ + size_t size; + + setg_gcc = setg; + + size = pthread_get_stacksize_np(pthread_self()); + g->stacklo = (uintptr)&size - size + 4096; +} + + +void +_cgo_sys_thread_start(ThreadStart *ts) +{ + pthread_attr_t attr; + sigset_t ign, oset; + pthread_t p; + size_t size; + int err; + + sigfillset(&ign); + pthread_sigmask(SIG_SETMASK, &ign, &oset); + + size = pthread_get_stacksize_np(pthread_self()); + pthread_attr_init(&attr); + pthread_attr_setstacksize(&attr, size); + // Leave stacklo=0 and set stackhi=size; mstart will do the rest. + ts->g->stackhi = size; + err = _cgo_try_pthread_create(&p, &attr, threadentry, ts); + + pthread_sigmask(SIG_SETMASK, &oset, nil); + + if (err != 0) { + fprintf(stderr, "runtime/cgo: pthread_create failed: %s\n", strerror(err)); + abort(); + } +} + +static void* +threadentry(void *v) +{ + ThreadStart ts; + + ts = *(ThreadStart*)v; + free(v); + + crosscall_amd64(ts.fn, setg_gcc, (void*)ts.g); + return nil; +} |