Archipelago » qemu

#ifndef QEMU_OSDEP_H

#define QEMU_OSDEP_H

#include <stdarg.h>

#define qemu_printf printf

void *qemu_malloc(size_t size);

void *qemu_mallocz(size_t size);

void qemu_free(void *ptr);

char *qemu_strdup(const char *str);

void *qemu_vmalloc(size_t size);

void qemu_vfree(void *ptr);

void *get_mmap_addr(unsigned long size);

/* specific kludges for OS compatibility (should be moved elsewhere) */

#if defined(__i386__) && !defined(CONFIG_SOFTMMU) && !defined(CONFIG_USER_ONLY)

/* disabled pthread version of longjmp which prevent us from using an

   alternative signal stack */

extern void __longjmp(jmp_buf env, int val);

#define longjmp __longjmp

#include <signal.h>

struct siginfo;

/* NOTE: it works only because the glibc sigset_t is >= kernel sigset_t */

struct qemu_sigaction {

    union {

        void (*_sa_handler)(int);

        void (*_sa_sigaction)(int, struct siginfo *, void *);

    } _u;

    unsigned long sa_flags;

    void (*sa_restorer)(void);

    sigset_t sa_mask;                /* mask last for extensibility */

};

int qemu_sigaction(int signum, const struct qemu_sigaction *act, 

                   struct qemu_sigaction *oldact);

#undef sigaction

#undef sa_handler

#undef sa_sigaction

#define sigaction qemu_sigaction

#define sa_handler        _u._sa_handler

#define sa_sigaction        _u._sa_sigaction

#endif

#endif