From 47ab3d4a42e9ab51c465c4322d2ec233f6324e6b Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 15:16:40 +0200 Subject: Adding upstream version 1.18.10. Signed-off-by: Daniel Baumann --- src/runtime/cgo/gcc_solaris_amd64.c | 77 +++++++++++++++++++++++++++++++++++++ 1 file changed, 77 insertions(+) create mode 100644 src/runtime/cgo/gcc_solaris_amd64.c (limited to 'src/runtime/cgo/gcc_solaris_amd64.c') diff --git a/src/runtime/cgo/gcc_solaris_amd64.c b/src/runtime/cgo/gcc_solaris_amd64.c new file mode 100644 index 0000000..e89e844 --- /dev/null +++ b/src/runtime/cgo/gcc_solaris_amd64.c @@ -0,0 +1,77 @@ +// Copyright 2015 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 +#include +#include +#include +#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*)) +{ + ucontext_t ctx; + + setg_gcc = setg; + if (getcontext(&ctx) != 0) + perror("runtime/cgo: getcontext failed"); + g->stacklo = (uintptr_t)ctx.uc_stack.ss_sp; + + // Solaris processes report a tiny stack when run with "ulimit -s unlimited". + // Correct that as best we can: assume it's at least 1 MB. + // See golang.org/issue/12210. + if(ctx.uc_stack.ss_size < 1024*1024) + g->stacklo -= 1024*1024 - ctx.uc_stack.ss_size; +} + +void +_cgo_sys_thread_start(ThreadStart *ts) +{ + pthread_attr_t attr; + sigset_t ign, oset; + pthread_t p; + void *base; + size_t size; + int err; + + sigfillset(&ign); + pthread_sigmask(SIG_SETMASK, &ign, &oset); + + pthread_attr_init(&attr); + + if (pthread_attr_getstack(&attr, &base, &size) != 0) + perror("runtime/cgo: pthread_attr_getstack failed"); + if (size == 0) { + ts->g->stackhi = 2 << 20; + if (pthread_attr_setstack(&attr, NULL, ts->g->stackhi) != 0) + perror("runtime/cgo: pthread_attr_setstack failed"); + } else { + ts->g->stackhi = size; + } + pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); + 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; +} -- cgit v1.2.3