1 | #ifndef QEMU_OSDEP_H |
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2 | #define QEMU_OSDEP_H |
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3 | |
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4 | #include <stdarg.h> |
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5 | |
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6 | int qemu_vsnprintf(char *buf, int buflen, const char *fmt, va_list args); |
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7 | void qemu_vprintf(const char *fmt, va_list ap); |
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8 | void qemu_printf(const char *fmt, ...); |
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9 | |
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10 | void *qemu_malloc(size_t size); |
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11 | void *qemu_mallocz(size_t size); |
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12 | void qemu_free(void *ptr); |
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13 | char *qemu_strdup(const char *str); |
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14 | |
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15 | void *qemu_vmalloc(size_t size); |
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16 | void qemu_vfree(void *ptr); |
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17 | |
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18 | void *get_mmap_addr(unsigned long size); |
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19 | |
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20 | /* specific kludges for OS compatibility (should be moved elsewhere) */ |
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21 | #if defined(__i386__) && !defined(CONFIG_SOFTMMU) && !defined(CONFIG_USER_ONLY) |
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22 | |
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23 | /* disabled pthread version of longjmp which prevent us from using an |
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24 | alternative signal stack */ |
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25 | extern void __longjmp(jmp_buf env, int val); |
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26 | #define longjmp __longjmp |
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27 | |
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28 | #include <signal.h> |
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29 | |
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30 | struct siginfo; |
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31 | |
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32 | /* NOTE: it works only because the glibc sigset_t is >= kernel sigset_t */ |
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33 | struct qemu_sigaction { |
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34 | union { |
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35 | void (*_sa_handler)(int); |
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36 | void (*_sa_sigaction)(int, struct siginfo *, void *); |
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37 | } _u; |
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38 | unsigned long sa_flags; |
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39 | void (*sa_restorer)(void); |
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40 | sigset_t sa_mask; /* mask last for extensibility */ |
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41 | }; |
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42 | |
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43 | int qemu_sigaction(int signum, const struct qemu_sigaction *act, |
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44 | struct qemu_sigaction *oldact); |
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45 | |
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46 | #undef sigaction |
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47 | #undef sa_handler |
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48 | #undef sa_sigaction |
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49 | #define sigaction qemu_sigaction |
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50 | #define sa_handler _u._sa_handler |
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51 | #define sa_sigaction _u._sa_sigaction |
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52 | |
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53 | #endif |
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54 | |
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55 | #endif |
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