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1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "mojo/edk/test/test_utils.h" | |
6 | |
7 #include <fcntl.h> | |
8 #include <unistd.h> | |
9 | |
10 #include "base/base_paths.h" | |
11 #include "base/path_service.h" | |
12 #include "base/posix/eintr_wrapper.h" | |
13 | |
14 namespace mojo { | |
15 namespace test { | |
16 | |
17 bool BlockingWrite(const embedder::PlatformHandle& handle, | |
18 const void* buffer, | |
19 size_t bytes_to_write, | |
20 size_t* bytes_written) { | |
21 int original_flags = fcntl(handle.fd, F_GETFL); | |
22 if (original_flags == -1 || | |
23 fcntl(handle.fd, F_SETFL, original_flags & (~O_NONBLOCK)) != 0) { | |
24 return false; | |
25 } | |
26 | |
27 ssize_t result = HANDLE_EINTR(write(handle.fd, buffer, bytes_to_write)); | |
28 | |
29 fcntl(handle.fd, F_SETFL, original_flags); | |
30 | |
31 if (result < 0) | |
32 return false; | |
33 | |
34 *bytes_written = result; | |
35 return true; | |
36 } | |
37 | |
38 bool BlockingRead(const embedder::PlatformHandle& handle, | |
39 void* buffer, | |
40 size_t buffer_size, | |
41 size_t* bytes_read) { | |
42 int original_flags = fcntl(handle.fd, F_GETFL); | |
43 if (original_flags == -1 || | |
44 fcntl(handle.fd, F_SETFL, original_flags & (~O_NONBLOCK)) != 0) { | |
45 return false; | |
46 } | |
47 | |
48 ssize_t result = HANDLE_EINTR(read(handle.fd, buffer, buffer_size)); | |
49 | |
50 fcntl(handle.fd, F_SETFL, original_flags); | |
51 | |
52 if (result < 0) | |
53 return false; | |
54 | |
55 *bytes_read = result; | |
56 return true; | |
57 } | |
58 | |
59 bool NonBlockingRead(const embedder::PlatformHandle& handle, | |
60 void* buffer, | |
61 size_t buffer_size, | |
62 size_t* bytes_read) { | |
63 ssize_t result = HANDLE_EINTR(read(handle.fd, buffer, buffer_size)); | |
64 | |
65 if (result < 0) { | |
66 if (errno != EAGAIN && errno != EWOULDBLOCK) | |
67 return false; | |
68 | |
69 *bytes_read = 0; | |
70 } else { | |
71 *bytes_read = result; | |
72 } | |
73 | |
74 return true; | |
75 } | |
76 | |
77 embedder::ScopedPlatformHandle PlatformHandleFromFILE(base::ScopedFILE fp) { | |
78 CHECK(fp); | |
79 int rv = dup(fileno(fp.get())); | |
80 PCHECK(rv != -1) << "dup"; | |
81 return embedder::ScopedPlatformHandle(embedder::PlatformHandle(rv)); | |
82 } | |
83 | |
84 base::ScopedFILE FILEFromPlatformHandle(embedder::ScopedPlatformHandle h, | |
85 const char* mode) { | |
86 CHECK(h.is_valid()); | |
87 base::ScopedFILE rv(fdopen(h.release().fd, mode)); | |
88 PCHECK(rv) << "fdopen"; | |
89 return rv.Pass(); | |
90 } | |
91 | |
92 base::FilePath GetFilePathForJSResource(const std::string& path) { | |
93 std::string binding_path = "gen/" + path + ".js"; | |
94 base::FilePath exe_dir; | |
95 PathService::Get(base::DIR_EXE, &exe_dir); | |
96 return exe_dir.AppendASCII(binding_path); | |
97 } | |
98 | |
99 } // namespace test | |
100 } // namespace mojo | |
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