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#ifndef ___SYSCALL_H__
#define ___SYSCALL_H__
#include <errno.h>
#ifndef ENOSYS
#include "errno/ENOSYS.c"
#endif
#include <nonstd/internal.h>
#define SYSCALL(_name, _type, _err, _a1, _a2, _a3, _a4, _a5, _a6) \
static int _scno = -2; \
if (_scno == -2) { \
_scno = __syscall_lookup(_name); \
} \
long _ret = __syscall(_scno, _a1, _a2, _a3, _a4, _a5, _a6); \
if (_ret < 0) { \
errno = -_ret; \
return _err; \
} \
return (_type)_ret
#define SYSCALL_NUMBER(_var, _name, _notfound) \
static long _var = -2; \
do { \
if (_var == -2) { \
(_var) = __syscall_lookup(_name); \
} \
if (_var == -1) { \
errno = ENOSYS; \
return (_notfound); } \
} while (0)
long __syscall(long __number, ...);
long __syscall_lookup(const char *name);
#endif
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