cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
Log | Files | Refs | Submodules | LICENSE | sfeed.txt

os-posix.h (3078B)

      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#ifdef __cplusplus
     42extern "C" {
     43#endif
     44
     45void os_set_line_buffering(void);
     46void os_set_proc_name(const char *s);
     47void os_setup_signal_handling(void);
     48void os_daemonize(void);
     49void os_setup_post(void);
     50int os_mlock(void);
     51
     52#define closesocket(s) close(s)
     53#define ioctlsocket(s, r, v) ioctl(s, r, v)
     54
     55typedef struct timeval qemu_timeval;
     56#define qemu_gettimeofday(tp) gettimeofday(tp, NULL)
     57
     58bool is_daemonized(void);
     59
     60/**
     61 * qemu_alloc_stack:
     62 * @sz: pointer to a size_t holding the requested usable stack size
     63 *
     64 * Allocate memory that can be used as a stack, for instance for
     65 * coroutines. If the memory cannot be allocated, this function
     66 * will abort (like g_malloc()). This function also inserts an
     67 * additional guard page to catch a potential stack overflow.
     68 * Note that the memory required for the guard page and alignment
     69 * and minimal stack size restrictions will increase the value of sz.
     70 *
     71 * The allocated stack must be freed with qemu_free_stack().
     72 *
     73 * Returns: pointer to (the lowest address of) the stack memory.
     74 */
     75void *qemu_alloc_stack(size_t *sz);
     76
     77/**
     78 * qemu_free_stack:
     79 * @stack: stack to free
     80 * @sz: size of stack in bytes
     81 *
     82 * Free a stack allocated via qemu_alloc_stack(). Note that sz must
     83 * be exactly the adjusted stack size returned by qemu_alloc_stack.
     84 */
     85void qemu_free_stack(void *stack, size_t sz);
     86
     87/* POSIX and Mingw32 differ in the name of the stdio lock functions.  */
     88
     89static inline void qemu_flockfile(FILE *f)
     90{
     91    flockfile(f);
     92}
     93
     94static inline void qemu_funlockfile(FILE *f)
     95{
     96    funlockfile(f);
     97}
     98
     99#ifdef __cplusplus
    100}
    101#endif
    102
    103#endif