Jes Sorensen | c1b0b93 | 2010-10-26 10:39:19 +0200 | [diff] [blame] | 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" |
Paolo Bonzini | d3385eb | 2012-03-20 10:49:19 +0100 | [diff] [blame] | 31 | #include "main-loop.h" |
Jes Sorensen | c1b0b93 | 2010-10-26 10:39:19 +0200 | [diff] [blame] | 32 | #include "trace.h" |
Jes Sorensen | 9549e76 | 2010-10-26 10:39:20 +0200 | [diff] [blame] | 33 | #include "qemu_socket.h" |
Jes Sorensen | c1b0b93 | 2010-10-26 10:39:19 +0200 | [diff] [blame] | 34 | |
Jes Sorensen | b152aa8 | 2010-10-26 10:39:26 +0200 | [diff] [blame] | 35 | void *qemu_oom_check(void *ptr) |
Jes Sorensen | c1b0b93 | 2010-10-26 10:39:19 +0200 | [diff] [blame] | 36 | { |
| 37 | if (ptr == NULL) { |
| 38 | fprintf(stderr, "Failed to allocate memory: %lu\n", GetLastError()); |
| 39 | abort(); |
| 40 | } |
| 41 | return ptr; |
| 42 | } |
| 43 | |
| 44 | void *qemu_memalign(size_t alignment, size_t size) |
| 45 | { |
| 46 | void *ptr; |
| 47 | |
| 48 | if (!size) { |
| 49 | abort(); |
| 50 | } |
Jes Sorensen | b152aa8 | 2010-10-26 10:39:26 +0200 | [diff] [blame] | 51 | ptr = qemu_oom_check(VirtualAlloc(NULL, size, MEM_COMMIT, PAGE_READWRITE)); |
Jes Sorensen | c1b0b93 | 2010-10-26 10:39:19 +0200 | [diff] [blame] | 52 | trace_qemu_memalign(alignment, size, ptr); |
| 53 | return ptr; |
| 54 | } |
| 55 | |
| 56 | void *qemu_vmalloc(size_t size) |
| 57 | { |
| 58 | void *ptr; |
| 59 | |
| 60 | /* FIXME: this is not exactly optimal solution since VirtualAlloc |
| 61 | has 64Kb granularity, but at least it guarantees us that the |
| 62 | memory is page aligned. */ |
| 63 | if (!size) { |
| 64 | abort(); |
| 65 | } |
Jes Sorensen | b152aa8 | 2010-10-26 10:39:26 +0200 | [diff] [blame] | 66 | ptr = qemu_oom_check(VirtualAlloc(NULL, size, MEM_COMMIT, PAGE_READWRITE)); |
Jes Sorensen | c1b0b93 | 2010-10-26 10:39:19 +0200 | [diff] [blame] | 67 | trace_qemu_vmalloc(size, ptr); |
| 68 | return ptr; |
| 69 | } |
| 70 | |
| 71 | void qemu_vfree(void *ptr) |
| 72 | { |
| 73 | trace_qemu_vfree(ptr); |
| 74 | VirtualFree(ptr, 0, MEM_RELEASE); |
| 75 | } |
Jes Sorensen | 9549e76 | 2010-10-26 10:39:20 +0200 | [diff] [blame] | 76 | |
Paolo Bonzini | 154b9a0 | 2011-10-05 09:17:32 +0200 | [diff] [blame] | 77 | void socket_set_block(int fd) |
| 78 | { |
| 79 | unsigned long opt = 0; |
Paolo Bonzini | d3385eb | 2012-03-20 10:49:19 +0100 | [diff] [blame] | 80 | WSAEventSelect(fd, NULL, 0); |
Paolo Bonzini | 154b9a0 | 2011-10-05 09:17:32 +0200 | [diff] [blame] | 81 | ioctlsocket(fd, FIONBIO, &opt); |
| 82 | } |
| 83 | |
Jes Sorensen | 9549e76 | 2010-10-26 10:39:20 +0200 | [diff] [blame] | 84 | void socket_set_nonblock(int fd) |
| 85 | { |
| 86 | unsigned long opt = 1; |
| 87 | ioctlsocket(fd, FIONBIO, &opt); |
Paolo Bonzini | d3385eb | 2012-03-20 10:49:19 +0100 | [diff] [blame] | 88 | qemu_fd_register(fd); |
Jes Sorensen | 9549e76 | 2010-10-26 10:39:20 +0200 | [diff] [blame] | 89 | } |
| 90 | |
| 91 | int inet_aton(const char *cp, struct in_addr *ia) |
| 92 | { |
| 93 | uint32_t addr = inet_addr(cp); |
| 94 | if (addr == 0xffffffff) { |
| 95 | return 0; |
| 96 | } |
| 97 | ia->s_addr = addr; |
| 98 | return 1; |
| 99 | } |
| 100 | |
| 101 | void qemu_set_cloexec(int fd) |
| 102 | { |
| 103 | } |
Jes Sorensen | dc786bc | 2010-10-26 10:39:23 +0200 | [diff] [blame] | 104 | |
Jes Sorensen | dc786bc | 2010-10-26 10:39:23 +0200 | [diff] [blame] | 105 | /* Offset between 1/1/1601 and 1/1/1970 in 100 nanosec units */ |
| 106 | #define _W32_FT_OFFSET (116444736000000000ULL) |
| 107 | |
| 108 | int qemu_gettimeofday(qemu_timeval *tp) |
| 109 | { |
| 110 | union { |
| 111 | unsigned long long ns100; /*time since 1 Jan 1601 in 100ns units */ |
| 112 | FILETIME ft; |
| 113 | } _now; |
| 114 | |
| 115 | if(tp) { |
| 116 | GetSystemTimeAsFileTime (&_now.ft); |
| 117 | tp->tv_usec=(long)((_now.ns100 / 10ULL) % 1000000ULL ); |
| 118 | tp->tv_sec= (long)((_now.ns100 - _W32_FT_OFFSET) / 10000000ULL); |
| 119 | } |
| 120 | /* Always return 0 as per Open Group Base Specifications Issue 6. |
| 121 | Do not set errno on error. */ |
| 122 | return 0; |
| 123 | } |
Paolo Bonzini | cbcfa04 | 2011-09-12 16:20:11 +0200 | [diff] [blame] | 124 | |
| 125 | int qemu_get_thread_id(void) |
| 126 | { |
| 127 | return GetCurrentThreadId(); |
| 128 | } |