code review 35990043: runtime: add support for GOOS=solaris

src/pkg/runtime/cgocall.c

 // 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 "runtime.h"
 #include "arch_GOARCH.h"
 #include "stack.h"
 #include "cgocall.h"
 #include "race.h"
 #include "../../cmd/ld/textflag.h"
@@ skipping 86 matching lines @@
 void
 runtime·cgocall(void (*fn)(void*), void *arg)
 {
         Defer d;
 
         if(m->racecall) {
                 runtime·asmcgocall(fn, arg);
                 return;
         }
 
-        if(!runtime·iscgo && !Windows)
+        if(!runtime·iscgo && !Windows && !Solaris)
                 runtime·throw("cgocall unavailable");
 
         if(fn == 0)
                 runtime·throw("cgocall nil");
 
         if(raceenabled)
                 runtime·racereleasemerge(&cgosync);
 
         // Create an extra M for callbacks on threads not created by Go on first cgo call.
         if(runtime·needextram && runtime·cas(&runtime·needextram, 1, 0))
@@ skipping 216 matching lines @@
 runtime·cgounimpl(void) // called from (incomplete) assembly
 {
         runtime·throw("runtime: cgo not implemented");
 }
 
 // For cgo-using programs with external linking,
 // export "main" (defined in assembly) so that libc can handle basic
 // C runtime startup and call the Go program as if it were
 // the C main function.
 #pragma cgo_export_static main