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49b470eb96
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1279 c046a42c-6fe2-441c-8c8c-71466251a162
54 lines
1.4 KiB
C
54 lines
1.4 KiB
C
#ifndef QEMU_OSDEP_H
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#define QEMU_OSDEP_H
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#include <stdarg.h>
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int qemu_vsnprintf(char *buf, int buflen, const char *fmt, va_list args);
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void qemu_vprintf(const char *fmt, va_list ap);
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void qemu_printf(const char *fmt, ...);
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void *qemu_malloc(size_t size);
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void *qemu_mallocz(size_t size);
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void qemu_free(void *ptr);
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char *qemu_strdup(const char *str);
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void *qemu_vmalloc(size_t size);
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void qemu_vfree(void *ptr);
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void *get_mmap_addr(unsigned long size);
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/* specific kludges for OS compatibility (should be moved elsewhere) */
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#if defined(__i386__) && !defined(CONFIG_SOFTMMU) && !defined(CONFIG_USER_ONLY)
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/* disabled pthread version of longjmp which prevent us from using an
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alternative signal stack */
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extern void __longjmp(jmp_buf env, int val);
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#define longjmp __longjmp
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#include <signal.h>
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/* NOTE: it works only because the glibc sigset_t is >= kernel sigset_t */
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struct qemu_sigaction {
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union {
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void (*_sa_handler)(int);
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void (*_sa_sigaction)(int, struct siginfo *, void *);
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} _u;
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unsigned long sa_flags;
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void (*sa_restorer)(void);
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sigset_t sa_mask; /* mask last for extensibility */
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};
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int qemu_sigaction(int signum, const struct qemu_sigaction *act,
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struct qemu_sigaction *oldact);
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#undef sigaction
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#undef sa_handler
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#undef sa_sigaction
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#define sigaction qemu_sigaction
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#define sa_handler _u._sa_handler
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#define sa_sigaction _u._sa_sigaction
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#endif
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#endif
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