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 | |
29 | #include <sys/mman.h> |
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> |
36 | |
37 | #ifdef CONFIG_SYSMACROS |
38 | #include <sys/sysmacros.h> |
39 | #endif |
40 | |
41 | void os_set_line_buffering(void); |
42 | void os_set_proc_name(const char *s); |
43 | void os_setup_signal_handling(void); |
44 | void os_daemonize(void); |
45 | void os_setup_post(void); |
46 | int os_mlock(void); |
47 | |
48 | #define closesocket(s) close(s) |
49 | #define ioctlsocket(s, r, v) ioctl(s, r, v) |
50 | |
51 | typedef struct timeval qemu_timeval; |
52 | #define qemu_gettimeofday(tp) gettimeofday(tp, NULL) |
53 | |
54 | bool is_daemonized(void); |
55 | |
56 | /** |
57 | * qemu_alloc_stack: |
58 | * @sz: pointer to a size_t holding the requested usable stack size |
59 | * |
60 | * Allocate memory that can be used as a stack, for instance for |
61 | * coroutines. If the memory cannot be allocated, this function |
62 | * will abort (like g_malloc()). This function also inserts an |
63 | * additional guard page to catch a potential stack overflow. |
64 | * Note that the memory required for the guard page and alignment |
65 | * and minimal stack size restrictions will increase the value of sz. |
66 | * |
67 | * The allocated stack must be freed with qemu_free_stack(). |
68 | * |
69 | * Returns: pointer to (the lowest address of) the stack memory. |
70 | */ |
71 | void *qemu_alloc_stack(size_t *sz); |
72 | |
73 | /** |
74 | * qemu_free_stack: |
75 | * @stack: stack to free |
76 | * @sz: size of stack in bytes |
77 | * |
78 | * Free a stack allocated via qemu_alloc_stack(). Note that sz must |
79 | * be exactly the adjusted stack size returned by qemu_alloc_stack. |
80 | */ |
81 | void qemu_free_stack(void *stack, size_t sz); |
82 | |
83 | /* POSIX and Mingw32 differ in the name of the stdio lock functions. */ |
84 | |
85 | static inline void qemu_flockfile(FILE *f) |
86 | { |
87 | flockfile(f); |
88 | } |
89 | |
90 | static inline void qemu_funlockfile(FILE *f) |
91 | { |
92 | funlockfile(f); |
93 | } |
94 | |
95 | #endif |
96 | |