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/* SPDX-License-Identifier: MIT */
#ifndef LIBURING_ARCH_SYSCALL_DEFS_H
#define LIBURING_ARCH_SYSCALL_DEFS_H
#include <fcntl.h>
static inline int __sys_open(const char *pathname, int flags, mode_t mode)
{
/*
* Some architectures don't have __NR_open, but __NR_openat.
*/
#ifdef __NR_open
return (int) __do_syscall3(__NR_open, pathname, flags, mode);
#else
return (int) __do_syscall4(__NR_openat, AT_FDCWD, pathname, flags, mode);
#endif
}
static inline ssize_t __sys_read(int fd, void *buffer, size_t size)
{
return (ssize_t) __do_syscall3(__NR_read, fd, buffer, size);
}
static inline void *__sys_mmap(void *addr, size_t length, int prot, int flags,
int fd, off_t offset)
{
int nr;
#if defined(__NR_mmap2)
nr = __NR_mmap2;
offset >>= 12;
#else
nr = __NR_mmap;
#endif
return (void *) __do_syscall6(nr, addr, length, prot, flags, fd, offset);
}
static inline int __sys_munmap(void *addr, size_t length)
{
return (int) __do_syscall2(__NR_munmap, addr, length);
}
static inline int __sys_madvise(void *addr, size_t length, int advice)
{
return (int) __do_syscall3(__NR_madvise, addr, length, advice);
}
static inline int __sys_getrlimit(int resource, struct rlimit *rlim)
{
return (int) __do_syscall2(__NR_getrlimit, resource, rlim);
}
static inline int __sys_setrlimit(int resource, const struct rlimit *rlim)
{
return (int) __do_syscall2(__NR_setrlimit, resource, rlim);
}
static inline int __sys_close(int fd)
{
return (int) __do_syscall1(__NR_close, fd);
}
static inline int __sys_io_uring_register(unsigned int fd, unsigned int opcode,
const void *arg, unsigned int nr_args)
{
return (int) __do_syscall4(__NR_io_uring_register, fd, opcode, arg,
nr_args);
}
static inline int __sys_io_uring_setup(unsigned int entries,
struct io_uring_params *p)
{
return (int) __do_syscall2(__NR_io_uring_setup, entries, p);
}
static inline int __sys_io_uring_enter2(unsigned int fd, unsigned int to_submit,
unsigned int min_complete,
unsigned int flags, sigset_t *sig,
size_t sz)
{
return (int) __do_syscall6(__NR_io_uring_enter, fd, to_submit,
min_complete, flags, sig, sz);
}
static inline int __sys_io_uring_enter(unsigned int fd, unsigned int to_submit,
unsigned int min_complete,
unsigned int flags, sigset_t *sig)
{
return __sys_io_uring_enter2(fd, to_submit, min_complete, flags, sig,
_NSIG / 8);
}
#endif
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