Refs #10260 OpenBSD support #25327

runtime/vm/os_openbsd.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"
-#if defined(TARGET_OS_LINUX)
+#if defined(TARGET_OS_OPENBSD)
 
 #include "vm/os.h"
 
 #include <errno.h>  // NOLINT
 #include <limits.h>  // NOLINT
-#include <malloc.h>  // NOLINT
+#include <stdlib.h> // NOLINT
 #include <time.h>  // NOLINT
 #include <sys/resource.h>  // NOLINT
 #include <sys/time.h>  // NOLINT
 #include <sys/types.h>  // NOLINT
-#include <sys/syscall.h>  // NOLINT
 #include <sys/stat.h>  // NOLINT
 #include <fcntl.h>  // NOLINT
 #include <unistd.h>  // NOLINT
 
 #include "platform/utils.h"
 #include "vm/code_observers.h"
 #include "vm/dart.h"
 #include "vm/debuginfo.h"
 #include "vm/isolate.h"
 #include "vm/lockers.h"
@@ skipping 224 matching lines @@
 #elif defined(TARGET_ARCH_ARM64)
     return kElfMachARM64;
 #elif defined(TARGET_ARCH_MIPS)
     return kElfMachMIPS;
 #else
 #error Unknown architecture.
 #endif
   }
 
   pid_t gettid() {
-    // libc doesn't wrap the Linux-specific gettid system call.
     // Note that this thread id is not the same as the posix thread id.
-    return syscall(SYS_gettid);
+    return getthrid();
   }
 
   uint64_t GetKernelTimeNanos() {
     if (clock_id_ != kInvalidClockId) {
       struct timespec ts;
       int r = clock_gettime(clock_id_, &ts);
       ASSERT(r == 0);
       uint64_t nanos = static_cast<uint64_t>(ts.tv_sec) *
                        static_cast<uint64_t>(kNanosecondsPerSecond);
       nanos += static_cast<uint64_t>(ts.tv_nsec);
@@ skipping 55 matching lines @@
 
   void* out_file_;
   int clock_fd_;
   int clock_id_;
   uint64_t code_sequence_;
   DISALLOW_COPY_AND_ASSIGN(JitdumpCodeObserver);
 };
 
 
 const char* OS::Name() {
-  return "linux";
+  return "openbsd";
 }
 
 
 intptr_t OS::ProcessId() {
   return static_cast<intptr_t>(getpid());
 }
 
 
 static bool LocalTime(int64_t seconds_since_epoch, tm* tm_result) {
   time_t seconds = static_cast<time_t>(seconds_since_epoch);
@@ skipping 56 matching lines @@
   result *= kMicrosecondsPerSecond;
   result += (ts.tv_nsec / kNanosecondsPerMicrosecond);
   return result;
 }
 
 
 void* OS::AlignedAllocate(intptr_t size, intptr_t alignment) {
   const int kMinimumAlignment = 16;
   ASSERT(Utils::IsPowerOfTwo(alignment));
   ASSERT(alignment >= kMinimumAlignment);
-  void* p = memalign(alignment, size);
-  if (p == NULL) {
+  void* p = NULL;
+  if (posix_memalign(&p, alignment, size)) {
     UNREACHABLE();
   }
   return p;
 }
 
 
 void OS::AlignedFree(void* ptr) {
   free(ptr);
 }
 
@@ skipping 217 matching lines @@
   abort();
 }
 
 
 void OS::Exit(int code) {
   exit(code);
 }
 
 }  // namespace dart
 
-#endif  // defined(TARGET_OS_LINUX)
+#endif  // defined(TARGET_OS_OPENBSD)