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1 | 19113504 | Jes Sorensen | /*
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2 | 19113504 | Jes Sorensen | * os-win32.c
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3 | 19113504 | Jes Sorensen | *
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4 | 19113504 | Jes Sorensen | * Copyright (c) 2003-2008 Fabrice Bellard
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5 | 19113504 | Jes Sorensen | * Copyright (c) 2010 Red Hat, Inc.
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6 | 19113504 | Jes Sorensen | *
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7 | 19113504 | Jes Sorensen | * Permission is hereby granted, free of charge, to any person obtaining a copy
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8 | 19113504 | Jes Sorensen | * of this software and associated documentation files (the "Software"), to deal
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9 | 19113504 | Jes Sorensen | * in the Software without restriction, including without limitation the rights
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10 | 19113504 | Jes Sorensen | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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11 | 19113504 | Jes Sorensen | * copies of the Software, and to permit persons to whom the Software is
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12 | 19113504 | Jes Sorensen | * furnished to do so, subject to the following conditions:
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13 | 19113504 | Jes Sorensen | *
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14 | 19113504 | Jes Sorensen | * The above copyright notice and this permission notice shall be included in
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15 | 19113504 | Jes Sorensen | * all copies or substantial portions of the Software.
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16 | 19113504 | Jes Sorensen | *
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17 | 19113504 | Jes Sorensen | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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18 | 19113504 | Jes Sorensen | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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19 | 19113504 | Jes Sorensen | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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20 | 19113504 | Jes Sorensen | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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21 | 19113504 | Jes Sorensen | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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22 | 19113504 | Jes Sorensen | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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23 | 19113504 | Jes Sorensen | * THE SOFTWARE.
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24 | 19113504 | Jes Sorensen | */
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25 | 19113504 | Jes Sorensen | #include <windows.h> |
26 | 0727b867 | Paolo Bonzini | #include <mmsystem.h> |
27 | 19113504 | Jes Sorensen | #include <unistd.h> |
28 | 19113504 | Jes Sorensen | #include <fcntl.h> |
29 | 19113504 | Jes Sorensen | #include <signal.h> |
30 | 19113504 | Jes Sorensen | #include <time.h> |
31 | 19113504 | Jes Sorensen | #include <errno.h> |
32 | 19113504 | Jes Sorensen | #include <sys/time.h> |
33 | 19113504 | Jes Sorensen | #include "config-host.h" |
34 | 9c17d615 | Paolo Bonzini | #include "sysemu/sysemu.h" |
35 | 59a5264b | Jes Sorensen | #include "qemu-options.h" |
36 | 19113504 | Jes Sorensen | |
37 | 19113504 | Jes Sorensen | /***********************************************************/
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38 | 0a1574bb | Stefan Weil | /* Functions missing in mingw */
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39 | 0a1574bb | Stefan Weil | |
40 | 0a1574bb | Stefan Weil | int setenv(const char *name, const char *value, int overwrite) |
41 | 0a1574bb | Stefan Weil | { |
42 | 0a1574bb | Stefan Weil | int result = 0; |
43 | 0a1574bb | Stefan Weil | if (overwrite || !getenv(name)) {
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44 | 0a1574bb | Stefan Weil | size_t length = strlen(name) + strlen(value) + 2;
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45 | 7267c094 | Anthony Liguori | char *string = g_malloc(length);
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46 | 0a1574bb | Stefan Weil | snprintf(string, length, "%s=%s", name, value);
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47 | 0a1574bb | Stefan Weil | result = putenv(string); |
48 | 91a9ecef | Zhi Hui Li | |
49 | 91a9ecef | Zhi Hui Li | /* Windows takes a copy and does not continue to use our string.
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50 | 91a9ecef | Zhi Hui Li | * Therefore it can be safely freed on this platform. POSIX code
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51 | 91a9ecef | Zhi Hui Li | * typically has to leak the string because according to the spec it
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52 | 91a9ecef | Zhi Hui Li | * becomes part of the environment.
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53 | 91a9ecef | Zhi Hui Li | */
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54 | 91a9ecef | Zhi Hui Li | g_free(string); |
55 | 0a1574bb | Stefan Weil | } |
56 | 0a1574bb | Stefan Weil | return result;
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57 | 0a1574bb | Stefan Weil | } |
58 | 0a1574bb | Stefan Weil | |
59 | 69bd73b1 | Jes Sorensen | static BOOL WINAPI qemu_ctrl_handler(DWORD type)
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60 | 69bd73b1 | Jes Sorensen | { |
61 | b75a0282 | Pavel Dovgaluk | qemu_system_shutdown_request(); |
62 | b75a0282 | Pavel Dovgaluk | /* Windows 7 kills application when the function returns.
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63 | b75a0282 | Pavel Dovgaluk | Sleep here to give QEMU a try for closing.
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64 | b75a0282 | Pavel Dovgaluk | Sleep period is 10000ms because Windows kills the program
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65 | b75a0282 | Pavel Dovgaluk | after 10 seconds anyway. */
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66 | b75a0282 | Pavel Dovgaluk | Sleep(10000);
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67 | b75a0282 | Pavel Dovgaluk | |
68 | 69bd73b1 | Jes Sorensen | return TRUE;
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69 | 69bd73b1 | Jes Sorensen | } |
70 | 69bd73b1 | Jes Sorensen | |
71 | 0727b867 | Paolo Bonzini | static TIMECAPS mm_tc;
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72 | 0727b867 | Paolo Bonzini | |
73 | 0727b867 | Paolo Bonzini | static void os_undo_timer_resolution(void) |
74 | 0727b867 | Paolo Bonzini | { |
75 | 0727b867 | Paolo Bonzini | timeEndPeriod(mm_tc.wPeriodMin); |
76 | 0727b867 | Paolo Bonzini | } |
77 | 0727b867 | Paolo Bonzini | |
78 | fe98ac14 | Jes Sorensen | void os_setup_early_signal_handling(void) |
79 | 69bd73b1 | Jes Sorensen | { |
80 | 69bd73b1 | Jes Sorensen | SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE); |
81 | 0727b867 | Paolo Bonzini | timeGetDevCaps(&mm_tc, sizeof(mm_tc));
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82 | 0727b867 | Paolo Bonzini | timeBeginPeriod(mm_tc.wPeriodMin); |
83 | 0727b867 | Paolo Bonzini | atexit(os_undo_timer_resolution); |
84 | 69bd73b1 | Jes Sorensen | } |
85 | 6170540b | Jes Sorensen | |
86 | 6170540b | Jes Sorensen | /* Look for support files in the same directory as the executable. */
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87 | 6170540b | Jes Sorensen | char *os_find_datadir(const char *argv0) |
88 | 6170540b | Jes Sorensen | { |
89 | 6170540b | Jes Sorensen | char *p;
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90 | 6170540b | Jes Sorensen | char buf[MAX_PATH];
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91 | 6170540b | Jes Sorensen | DWORD len; |
92 | 6170540b | Jes Sorensen | |
93 | 6170540b | Jes Sorensen | len = GetModuleFileName(NULL, buf, sizeof(buf) - 1); |
94 | 6170540b | Jes Sorensen | if (len == 0) { |
95 | 6170540b | Jes Sorensen | return NULL; |
96 | 6170540b | Jes Sorensen | } |
97 | 6170540b | Jes Sorensen | |
98 | 6170540b | Jes Sorensen | buf[len] = 0;
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99 | 6170540b | Jes Sorensen | p = buf + len - 1;
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100 | 6170540b | Jes Sorensen | while (p != buf && *p != '\\') |
101 | 6170540b | Jes Sorensen | p--; |
102 | 6170540b | Jes Sorensen | *p = 0;
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103 | 6170540b | Jes Sorensen | if (access(buf, R_OK) == 0) { |
104 | 7267c094 | Anthony Liguori | return g_strdup(buf);
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105 | 6170540b | Jes Sorensen | } |
106 | 6170540b | Jes Sorensen | return NULL; |
107 | 6170540b | Jes Sorensen | } |
108 | 59a5264b | Jes Sorensen | |
109 | 6650b710 | Stefan Weil | void os_set_line_buffering(void) |
110 | 6650b710 | Stefan Weil | { |
111 | 6650b710 | Stefan Weil | setbuf(stdout, NULL);
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112 | 6650b710 | Stefan Weil | setbuf(stderr, NULL);
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113 | 6650b710 | Stefan Weil | } |
114 | 6650b710 | Stefan Weil | |
115 | 59a5264b | Jes Sorensen | /*
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116 | 59a5264b | Jes Sorensen | * Parse OS specific command line options.
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117 | 59a5264b | Jes Sorensen | * return 0 if option handled, -1 otherwise
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118 | 59a5264b | Jes Sorensen | */
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119 | 59a5264b | Jes Sorensen | void os_parse_cmd_args(int index, const char *optarg) |
120 | 59a5264b | Jes Sorensen | { |
121 | 59a5264b | Jes Sorensen | return;
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122 | 59a5264b | Jes Sorensen | } |
123 | eb505be1 | Jes Sorensen | |
124 | eb505be1 | Jes Sorensen | void os_pidfile_error(void) |
125 | eb505be1 | Jes Sorensen | { |
126 | eb505be1 | Jes Sorensen | fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
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127 | eb505be1 | Jes Sorensen | } |
128 | bc4a957c | Jes Sorensen | |
129 | bc4a957c | Jes Sorensen | int qemu_create_pidfile(const char *filename) |
130 | bc4a957c | Jes Sorensen | { |
131 | bc4a957c | Jes Sorensen | char buffer[128]; |
132 | bc4a957c | Jes Sorensen | int len;
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133 | bc4a957c | Jes Sorensen | HANDLE file; |
134 | bc4a957c | Jes Sorensen | OVERLAPPED overlap; |
135 | bc4a957c | Jes Sorensen | BOOL ret; |
136 | bc4a957c | Jes Sorensen | memset(&overlap, 0, sizeof(overlap)); |
137 | bc4a957c | Jes Sorensen | |
138 | bc4a957c | Jes Sorensen | file = CreateFile(filename, GENERIC_WRITE, FILE_SHARE_READ, NULL,
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139 | bfc763fc | Fabien Chouteau | OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
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140 | bc4a957c | Jes Sorensen | |
141 | bc4a957c | Jes Sorensen | if (file == INVALID_HANDLE_VALUE) {
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142 | bc4a957c | Jes Sorensen | return -1; |
143 | bc4a957c | Jes Sorensen | } |
144 | 59ad3403 | Stefan Weil | len = snprintf(buffer, sizeof(buffer), "%d\n", getpid()); |
145 | bfc763fc | Fabien Chouteau | ret = WriteFile(file, (LPCVOID)buffer, (DWORD)len, |
146 | bfc763fc | Fabien Chouteau | NULL, &overlap);
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147 | bfc763fc | Fabien Chouteau | CloseHandle(file); |
148 | bc4a957c | Jes Sorensen | if (ret == 0) { |
149 | bc4a957c | Jes Sorensen | return -1; |
150 | bc4a957c | Jes Sorensen | } |
151 | bc4a957c | Jes Sorensen | return 0; |
152 | bc4a957c | Jes Sorensen | } |