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 37 matching lines @@
 int64_t OS::GetCurrentTimeMicros() {
   // gettimeofday has microsecond resolution.
   struct timeval tv;
   if (gettimeofday(&tv, NULL) < 0) {
     UNREACHABLE();
     return 0;
   }
   return (static_cast<int64_t>(tv.tv_sec) * 1000000) + tv.tv_usec;
 }
 
-
 int64_t OS::GetCurrentMonotonicMicros() {
   struct timespec ts;
   if (clock_gettime(CLOCK_MONOTONIC, &ts) != 0) {
     UNREACHABLE();
     return 0;
   }
   // Convert to microseconds.
   int64_t result = ts.tv_sec;
   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 115 matching lines @@
 
 
 int OS::VSNPrint(char* str, size_t size, const char* format, va_list args) {
   int retval = vsnprintf(str, size, format, args);
   if (retval < 0) {
     FATAL1("Fatal error in OS::VSNPrint with format '%s'", format);
   }
   return retval;
 }
 
-

[Ivan Posva, 2016/01/11 23:58:40]

White space changes.

[mulander, 2016/01/12 00:22:46]

Acknowledged.

 char* OS::SCreate(Zone* zone, const char* format, ...) {
   va_list args;
   va_start(args, format);
   char* buffer = VSCreate(zone, format, args);
   va_end(args);
   return buffer;
 }
 
-
 char* OS::VSCreate(Zone* zone, const char* format, va_list args) {
   // Measure.
   va_list measure_args;
   va_copy(measure_args, args);
   intptr_t len = VSNPrint(NULL, 0, format, measure_args);
   va_end(measure_args);
 
   char* buffer;
   if (zone) {
     buffer = zone->Alloc<char>(len + 1);
   } else {
     buffer = reinterpret_cast<char*>(malloc(len + 1));
   }
   ASSERT(buffer != NULL);
 
   // Print.
   va_list print_args;
   va_copy(print_args, args);
   VSNPrint(buffer, len + 1, format, print_args);
   va_end(print_args);
   return buffer;
 }
 
-
 bool OS::StringToInt64(const char* str, int64_t* value) {
   ASSERT(str != NULL && strlen(str) > 0 && value != NULL);
   int32_t base = 10;
   char* endptr;
   int i = 0;
   if (str[0] == '-') {
     i = 1;
   }
   if ((str[i] == '0') &&
       (str[i + 1] == 'x' || str[i + 1] == 'X') &&
@@ skipping 48 matching lines @@
   abort();
 }
 
 
 void OS::Exit(int code) {
   exit(code);
 }
 
 }  // namespace dart
 
-#endif  // defined(TARGET_OS_LINUX)
+#endif  // defined(TARGET_OS_OPENBSD)