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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 #include "platform/globals.h" | 5 #include "platform/globals.h" |
6 #if defined(TARGET_OS_LINUX) | 6 #if defined(TARGET_OS_LINUX) |
7 | 7 |
8 #include <errno.h> // NOLINT | 8 #include <errno.h> // NOLINT |
9 #include <fcntl.h> // NOLINT | 9 #include <fcntl.h> // NOLINT |
10 | 10 |
11 #include "bin/fdutils.h" | 11 #include "bin/fdutils.h" |
12 #include "bin/crypto.h" | 12 #include "bin/crypto.h" |
13 #include "platform/signal_blocker.h" | 13 #include "platform/signal_blocker.h" |
14 | 14 |
15 | 15 |
16 namespace dart { | 16 namespace dart { |
17 namespace bin { | 17 namespace bin { |
18 | 18 |
19 bool Crypto::GetRandomBytes(intptr_t count, uint8_t* buffer) { | 19 bool Crypto::GetRandomBytes(intptr_t count, uint8_t* buffer) { |
20 intptr_t fd = TEMP_FAILURE_RETRY(open("/dev/urandom", O_RDONLY)); | 20 intptr_t fd = TEMP_FAILURE_RETRY(open("/dev/urandom", O_RDONLY)); |
21 if (fd < 0) return false; | 21 if (fd < 0) return false; |
22 intptr_t bytes_read = TEMP_FAILURE_RETRY(read(fd, buffer, count)); | 22 intptr_t bytes_read = FDUtils::ReadFromBlocking(fd, buffer, count); |
23 VOID_TEMP_FAILURE_RETRY(close(fd)); | 23 VOID_TEMP_FAILURE_RETRY(close(fd)); |
24 return bytes_read == count; | 24 return bytes_read == count; |
25 } | 25 } |
26 | 26 |
27 } // namespace bin | 27 } // namespace bin |
28 } // namespace dart | 28 } // namespace dart |
29 | 29 |
30 #endif // defined(TARGET_OS_LINUX) | 30 #endif // defined(TARGET_OS_LINUX) |
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