diff options
Diffstat (limited to 'src/pkg/runtime/cgo/gcc_windows_amd64.c')
| -rw-r--r-- | src/pkg/runtime/cgo/gcc_windows_amd64.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/src/pkg/runtime/cgo/gcc_windows_amd64.c b/src/pkg/runtime/cgo/gcc_windows_amd64.c index f7695a1cc..d8dd69b4a 100644 --- a/src/pkg/runtime/cgo/gcc_windows_amd64.c +++ b/src/pkg/runtime/cgo/gcc_windows_amd64.c @@ -5,6 +5,8 @@ #define WIN64_LEAN_AND_MEAN #include <windows.h> #include <process.h> +#include <stdlib.h> +#include <stdio.h> #include "libcgo.h" static void threadentry(void*); @@ -25,14 +27,19 @@ x_cgo_init(G *g) void _cgo_sys_thread_start(ThreadStart *ts) { - _beginthread(threadentry, 0, ts); + uintptr_t thandle; + + thandle = _beginthread(threadentry, 0, ts); + if(thandle == -1) { + fprintf(stderr, "runtime: failed to create new OS thread (%d)\n", errno); + abort(); + } } static void threadentry(void *v) { ThreadStart ts; - void *tls0; ts = *(ThreadStart*)v; free(v); @@ -43,13 +50,12 @@ threadentry(void *v) /* * Set specific keys in thread local storage. */ - tls0 = (void*)LocalAlloc(LPTR, 64); asm volatile ( "movq %0, %%gs:0x28\n" // MOVL tls0, 0x28(GS) "movq %%gs:0x28, %%rax\n" // MOVQ 0x28(GS), tmp "movq %1, 0(%%rax)\n" // MOVQ g, 0(GS) "movq %2, 8(%%rax)\n" // MOVQ m, 8(GS) - :: "r"(tls0), "r"(ts.g), "r"(ts.m) : "%rax" + :: "r"(ts.tls), "r"(ts.g), "r"(ts.m) : "%rax" ); crosscall_amd64(ts.fn); |