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0d93ca7c JS |
1 | /* |
2 | * posix specific declarations | |
3 | * | |
4 | * Copyright (c) 2003-2008 Fabrice Bellard | |
5 | * Copyright (c) 2010 Jes Sorensen <Jes.Sorensen@redhat.com> | |
6 | * | |
7 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
8 | * of this software and associated documentation files (the "Software"), to deal | |
9 | * in the Software without restriction, including without limitation the rights | |
10 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
11 | * copies of the Software, and to permit persons to whom the Software is | |
12 | * furnished to do so, subject to the following conditions: | |
13 | * | |
14 | * The above copyright notice and this permission notice shall be included in | |
15 | * all copies or substantial portions of the Software. | |
16 | * | |
17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
18 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
19 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
20 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
21 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
22 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
23 | * THE SOFTWARE. | |
24 | */ | |
25 | ||
26 | #ifndef QEMU_OS_POSIX_H | |
27 | #define QEMU_OS_POSIX_H | |
28 | ||
02d0e095 | 29 | #include <sys/mman.h> |
a2d96af4 DB |
30 | #include <sys/socket.h> |
31 | #include <netinet/in.h> | |
32 | #include <netinet/tcp.h> | |
33 | #include <arpa/inet.h> | |
34 | #include <netdb.h> | |
35 | #include <sys/un.h> | |
506f40ff | 36 | |
4d04351f CC |
37 | #ifdef CONFIG_SYSMACROS |
38 | #include <sys/sysmacros.h> | |
39 | #endif | |
40 | ||
9156d763 | 41 | void os_set_line_buffering(void); |
ce798cf2 | 42 | void os_set_proc_name(const char *s); |
8d963e6a | 43 | void os_setup_signal_handling(void); |
eb505be1 JS |
44 | void os_daemonize(void); |
45 | void os_setup_post(void); | |
888a6bc6 | 46 | int os_mlock(void); |
8d963e6a | 47 | |
a2d96af4 DB |
48 | #define closesocket(s) close(s) |
49 | #define ioctlsocket(s, r, v) ioctl(s, r, v) | |
50 | ||
dc786bc9 JS |
51 | typedef struct timeval qemu_timeval; |
52 | #define qemu_gettimeofday(tp) gettimeofday(tp, NULL) | |
53 | ||
38671423 HS |
54 | #ifndef CONFIG_UTIMENSAT |
55 | #ifndef UTIME_NOW | |
56 | # define UTIME_NOW ((1l << 30) - 1l) | |
57 | #endif | |
58 | #ifndef UTIME_OMIT | |
59 | # define UTIME_OMIT ((1l << 30) - 2l) | |
60 | #endif | |
61 | #endif | |
62 | typedef struct timespec qemu_timespec; | |
ae0f940e | 63 | int qemu_utimens(const char *path, const qemu_timespec *times); |
38671423 | 64 | |
995ee2bf HM |
65 | bool is_daemonized(void); |
66 | ||
8737d9e0 PL |
67 | /** |
68 | * qemu_alloc_stack: | |
69 | * @sz: pointer to a size_t holding the requested usable stack size | |
70 | * | |
71 | * Allocate memory that can be used as a stack, for instance for | |
72 | * coroutines. If the memory cannot be allocated, this function | |
73 | * will abort (like g_malloc()). This function also inserts an | |
74 | * additional guard page to catch a potential stack overflow. | |
75 | * Note that the memory required for the guard page and alignment | |
76 | * and minimal stack size restrictions will increase the value of sz. | |
77 | * | |
78 | * The allocated stack must be freed with qemu_free_stack(). | |
79 | * | |
80 | * Returns: pointer to (the lowest address of) the stack memory. | |
81 | */ | |
82 | void *qemu_alloc_stack(size_t *sz); | |
83 | ||
84 | /** | |
85 | * qemu_free_stack: | |
86 | * @stack: stack to free | |
87 | * @sz: size of stack in bytes | |
88 | * | |
89 | * Free a stack allocated via qemu_alloc_stack(). Note that sz must | |
90 | * be exactly the adjusted stack size returned by qemu_alloc_stack. | |
91 | */ | |
92 | void qemu_free_stack(void *stack, size_t sz); | |
93 | ||
1ee73216 RH |
94 | /* POSIX and Mingw32 differ in the name of the stdio lock functions. */ |
95 | ||
96 | static inline void qemu_flockfile(FILE *f) | |
97 | { | |
98 | flockfile(f); | |
99 | } | |
100 | ||
101 | static inline void qemu_funlockfile(FILE *f) | |
102 | { | |
103 | funlockfile(f); | |
104 | } | |
105 | ||
0d93ca7c | 106 | #endif |