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c1b0b93b JS |
1 | /* |
2 | * os-win32.c | |
3 | * | |
4 | * Copyright (c) 2003-2008 Fabrice Bellard | |
5 | * Copyright (c) 2010 Red Hat, Inc. | |
6 | * | |
7 | * QEMU library functions for win32 which are shared between QEMU and | |
8 | * the QEMU tools. | |
9 | * | |
10 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
11 | * of this software and associated documentation files (the "Software"), to deal | |
12 | * in the Software without restriction, including without limitation the rights | |
13 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
14 | * copies of the Software, and to permit persons to whom the Software is | |
15 | * furnished to do so, subject to the following conditions: | |
16 | * | |
17 | * The above copyright notice and this permission notice shall be included in | |
18 | * all copies or substantial portions of the Software. | |
19 | * | |
20 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
21 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
22 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
23 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
24 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
25 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
26 | * THE SOFTWARE. | |
27 | */ | |
28 | #include <windows.h> | |
29 | #include "config-host.h" | |
30 | #include "sysemu.h" | |
d3385eb4 | 31 | #include "main-loop.h" |
c1b0b93b | 32 | #include "trace.h" |
9549e764 | 33 | #include "qemu_socket.h" |
c1b0b93b | 34 | |
1f001dc7 PB |
35 | static void default_qemu_fd_register(int fd) |
36 | { | |
37 | } | |
38 | QEMU_WEAK_ALIAS(qemu_fd_register, default_qemu_fd_register); | |
39 | #define qemu_fd_register \ | |
40 | QEMU_WEAK_REF(qemu_fd_register, default_qemu_fd_register) | |
41 | ||
b152aa84 | 42 | void *qemu_oom_check(void *ptr) |
c1b0b93b JS |
43 | { |
44 | if (ptr == NULL) { | |
45 | fprintf(stderr, "Failed to allocate memory: %lu\n", GetLastError()); | |
46 | abort(); | |
47 | } | |
48 | return ptr; | |
49 | } | |
50 | ||
51 | void *qemu_memalign(size_t alignment, size_t size) | |
52 | { | |
53 | void *ptr; | |
54 | ||
55 | if (!size) { | |
56 | abort(); | |
57 | } | |
b152aa84 | 58 | ptr = qemu_oom_check(VirtualAlloc(NULL, size, MEM_COMMIT, PAGE_READWRITE)); |
c1b0b93b JS |
59 | trace_qemu_memalign(alignment, size, ptr); |
60 | return ptr; | |
61 | } | |
62 | ||
63 | void *qemu_vmalloc(size_t size) | |
64 | { | |
65 | void *ptr; | |
66 | ||
67 | /* FIXME: this is not exactly optimal solution since VirtualAlloc | |
68 | has 64Kb granularity, but at least it guarantees us that the | |
69 | memory is page aligned. */ | |
70 | if (!size) { | |
71 | abort(); | |
72 | } | |
b152aa84 | 73 | ptr = qemu_oom_check(VirtualAlloc(NULL, size, MEM_COMMIT, PAGE_READWRITE)); |
c1b0b93b JS |
74 | trace_qemu_vmalloc(size, ptr); |
75 | return ptr; | |
76 | } | |
77 | ||
78 | void qemu_vfree(void *ptr) | |
79 | { | |
80 | trace_qemu_vfree(ptr); | |
81 | VirtualFree(ptr, 0, MEM_RELEASE); | |
82 | } | |
9549e764 | 83 | |
d3e8f957 SW |
84 | /* FIXME: add proper locking */ |
85 | struct tm *gmtime_r(const time_t *timep, struct tm *result) | |
86 | { | |
87 | struct tm *p = gmtime(timep); | |
88 | memset(result, 0, sizeof(*result)); | |
89 | if (p) { | |
90 | *result = *p; | |
91 | p = result; | |
92 | } | |
93 | return p; | |
94 | } | |
95 | ||
96 | /* FIXME: add proper locking */ | |
97 | struct tm *localtime_r(const time_t *timep, struct tm *result) | |
98 | { | |
99 | struct tm *p = localtime(timep); | |
100 | memset(result, 0, sizeof(*result)); | |
101 | if (p) { | |
102 | *result = *p; | |
103 | p = result; | |
104 | } | |
105 | return p; | |
106 | } | |
107 | ||
154b9a0c PB |
108 | void socket_set_block(int fd) |
109 | { | |
110 | unsigned long opt = 0; | |
d3385eb4 | 111 | WSAEventSelect(fd, NULL, 0); |
154b9a0c PB |
112 | ioctlsocket(fd, FIONBIO, &opt); |
113 | } | |
114 | ||
9549e764 JS |
115 | void socket_set_nonblock(int fd) |
116 | { | |
117 | unsigned long opt = 1; | |
118 | ioctlsocket(fd, FIONBIO, &opt); | |
d3385eb4 | 119 | qemu_fd_register(fd); |
9549e764 JS |
120 | } |
121 | ||
122 | int inet_aton(const char *cp, struct in_addr *ia) | |
123 | { | |
124 | uint32_t addr = inet_addr(cp); | |
125 | if (addr == 0xffffffff) { | |
126 | return 0; | |
127 | } | |
128 | ia->s_addr = addr; | |
129 | return 1; | |
130 | } | |
131 | ||
132 | void qemu_set_cloexec(int fd) | |
133 | { | |
134 | } | |
dc786bc9 | 135 | |
dc786bc9 JS |
136 | /* Offset between 1/1/1601 and 1/1/1970 in 100 nanosec units */ |
137 | #define _W32_FT_OFFSET (116444736000000000ULL) | |
138 | ||
139 | int qemu_gettimeofday(qemu_timeval *tp) | |
140 | { | |
141 | union { | |
142 | unsigned long long ns100; /*time since 1 Jan 1601 in 100ns units */ | |
143 | FILETIME ft; | |
144 | } _now; | |
145 | ||
146 | if(tp) { | |
147 | GetSystemTimeAsFileTime (&_now.ft); | |
148 | tp->tv_usec=(long)((_now.ns100 / 10ULL) % 1000000ULL ); | |
149 | tp->tv_sec= (long)((_now.ns100 - _W32_FT_OFFSET) / 10000000ULL); | |
150 | } | |
151 | /* Always return 0 as per Open Group Base Specifications Issue 6. | |
152 | Do not set errno on error. */ | |
153 | return 0; | |
154 | } | |
cbcfa041 PB |
155 | |
156 | int qemu_get_thread_id(void) | |
157 | { | |
158 | return GetCurrentThreadId(); | |
159 | } |