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Side by Side Diff: native_client_sdk/src/libraries/nacl_mounts/kernel_intercept.cc

Issue 12194030: Rename mount (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Fix whitespace Created 7 years, 10 months ago
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1 /* Copyright (c) 2012 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 <errno.h>
6 #include "nacl_mounts/kernel_intercept.h"
7 #include "nacl_mounts/kernel_proxy.h"
8 #include "nacl_mounts/kernel_wrap.h"
9 #include "nacl_mounts/pepper_interface.h"
10 #include "nacl_mounts/pepper_interface.h"
11 #include "nacl_mounts/real_pepper_interface.h"
12
13
14 static KernelProxy* s_kp;
15
16 void ki_init(void* kp) {
17 ki_init_ppapi(kp, 0, NULL);
18 }
19
20 void ki_init_ppapi(void* kp,
21 PP_Instance instance,
22 PPB_GetInterface get_browser_interface) {
23 kernel_wrap_init();
24
25 if (kp == NULL) kp = new KernelProxy();
26 s_kp = static_cast<KernelProxy*>(kp);
27
28 PepperInterface* ppapi = NULL;
29 if (instance && get_browser_interface)
30 ppapi = new RealPepperInterface(instance, get_browser_interface);
31
32 s_kp->Init(ppapi);
33 }
34
35 int ki_is_initialized() {
36 return s_kp != NULL;
37 }
38
39 void ki_uninit() {
40 s_kp = NULL;
41 }
42
43 int ki_chdir(const char* path) {
44 return s_kp->chdir(path);
45 }
46
47 char* ki_getcwd(char* buf, size_t size) {
48 // gtest uses getcwd in a static initializer. If we haven't initialized the
49 // kernel-intercept yet, just return ".".
50 if (!ki_is_initialized()) {
51 if (size < 2) {
52 errno = ERANGE;
53 return NULL;
54 }
55 buf[0] = '.';
56 buf[1] = 0;
57 return buf;
58 }
59 return s_kp->getcwd(buf, size);
60 }
61
62 char* ki_getwd(char* buf) {
63 return s_kp->getwd(buf);
64 }
65
66 int ki_dup(int oldfd) {
67 return s_kp->dup(oldfd);
68 }
69
70 int ki_dup2(int oldfd, int newfd) {
71 return s_kp->dup2(oldfd, newfd);
72 }
73
74 int ki_chmod(const char *path, mode_t mode) {
75 return s_kp->chmod(path, mode);
76 }
77
78 int ki_stat(const char *path, struct stat *buf) {
79 return s_kp->stat(path, buf);
80 }
81
82 int ki_mkdir(const char *path, mode_t mode) {
83 return s_kp->mkdir(path, mode);
84 }
85
86 int ki_rmdir(const char *path) {
87 return s_kp->rmdir(path);
88 }
89
90 int ki_mount(const char *source, const char *target, const char *filesystemtype,
91 unsigned long mountflags, const void *data) {
92 return s_kp->mount(source, target, filesystemtype, mountflags, data);
93 }
94
95 int ki_umount(const char *path) {
96 return s_kp->umount(path);
97 }
98
99 int ki_open(const char *path, int oflag) {
100 return s_kp->open(path, oflag);
101 }
102
103 ssize_t ki_read(int fd, void *buf, size_t nbyte) {
104 return s_kp->read(fd, buf, nbyte);
105 }
106
107 ssize_t ki_write(int fd, const void *buf, size_t nbyte) {
108 return s_kp->write(fd, buf, nbyte);
109 }
110
111 int ki_fstat(int fd, struct stat *buf){
112 return s_kp->fstat(fd, buf);
113 }
114
115 int ki_getdents(int fd, void *buf, unsigned int count) {
116 return s_kp->getdents(fd, buf, count);
117 }
118
119 int ki_fsync(int fd) {
120 return s_kp->fsync(fd);
121 }
122
123 int ki_isatty(int fd) {
124 if (!ki_is_initialized())
125 return 0;
126 return s_kp->isatty(fd);
127 }
128
129 int ki_close(int fd) {
130 if (!ki_is_initialized())
131 return 0;
132 return s_kp->close(fd);
133 }
134
135 off_t ki_lseek(int fd, off_t offset, int whence) {
136 return s_kp->lseek(fd, offset, whence);
137 }
138
139 int ki_remove(const char* path) {
140 return s_kp->remove(path);
141 }
142
143 int ki_unlink(const char* path) {
144 return s_kp->unlink(path);
145 }
146
147 int ki_access(const char* path, int amode) {
148 return s_kp->access(path, amode);
149 }
150
151 int ki_link(const char* oldpath, const char* newpath) {
152 return s_kp->link(oldpath, newpath);
153 }
154
155 int ki_symlink(const char* oldpath, const char* newpath) {
156 return s_kp->symlink(oldpath, newpath);
157 }
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