f450a85899
The lack of ffs(3) in the MinGW headers is a hint that we shouldn't rely on it. MinGW 4.9.2 does not make it available for linking when QEMU's ./configure --enable-debug is used (release builds are fine though). Now that all QEMU code has been switched to ctz32() there is no need for ffs(3). Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 1427124571-28598-9-git-send-email-stefanha@redhat.com Signed-off-by: Kevin Wolf <kwolf@redhat.com>
113 lines
3.4 KiB
C
113 lines
3.4 KiB
C
/*
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* win32 specific declarations
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*
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* Copyright (c) 2003-2008 Fabrice Bellard
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* Copyright (c) 2010 Jes Sorensen <Jes.Sorensen@redhat.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef QEMU_OS_WIN32_H
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#define QEMU_OS_WIN32_H
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#include <windows.h>
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#include <winsock2.h>
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/* Workaround for older versions of MinGW. */
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#ifndef ECONNREFUSED
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# define ECONNREFUSED WSAECONNREFUSED
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#endif
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#ifndef EINPROGRESS
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# define EINPROGRESS WSAEINPROGRESS
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#endif
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#ifndef EHOSTUNREACH
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# define EHOSTUNREACH WSAEHOSTUNREACH
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#endif
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#ifndef EINTR
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# define EINTR WSAEINTR
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#endif
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#ifndef EINPROGRESS
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# define EINPROGRESS WSAEINPROGRESS
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#endif
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#ifndef ENETUNREACH
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# define ENETUNREACH WSAENETUNREACH
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#endif
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#ifndef ENOTCONN
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# define ENOTCONN WSAENOTCONN
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#endif
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#ifndef EWOULDBLOCK
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# define EWOULDBLOCK WSAEWOULDBLOCK
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#endif
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#if defined(_WIN64)
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/* On w64, setjmp is implemented by _setjmp which needs a second parameter.
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* If this parameter is NULL, longjump does no stack unwinding.
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* That is what we need for QEMU. Passing the value of register rsp (default)
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* lets longjmp try a stack unwinding which will crash with generated code. */
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# undef setjmp
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# define setjmp(env) _setjmp(env, NULL)
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#endif
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/* QEMU uses sigsetjmp()/siglongjmp() as the portable way to specify
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* "longjmp and don't touch the signal masks". Since we know that the
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* savemask parameter will always be zero we can safely define these
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* in terms of setjmp/longjmp on Win32.
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*/
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#define sigjmp_buf jmp_buf
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#define sigsetjmp(env, savemask) setjmp(env)
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#define siglongjmp(env, val) longjmp(env, val)
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/* Missing POSIX functions. Don't use MinGW-w64 macros. */
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#undef gmtime_r
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struct tm *gmtime_r(const time_t *timep, struct tm *result);
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#undef localtime_r
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struct tm *localtime_r(const time_t *timep, struct tm *result);
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static inline void os_setup_signal_handling(void) {}
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static inline void os_daemonize(void) {}
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static inline void os_setup_post(void) {}
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void os_set_line_buffering(void);
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static inline void os_set_proc_name(const char *dummy) {}
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size_t getpagesize(void);
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#if !defined(EPROTONOSUPPORT)
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# define EPROTONOSUPPORT EINVAL
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#endif
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int setenv(const char *name, const char *value, int overwrite);
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typedef struct {
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long tv_sec;
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long tv_usec;
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} qemu_timeval;
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int qemu_gettimeofday(qemu_timeval *tp);
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static inline bool is_daemonized(void)
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{
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return false;
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}
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static inline int os_mlock(void)
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{
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return -ENOSYS;
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}
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#endif
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