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/* SPDX-License-Identifier: MIT */
#ifndef __INTERNAL__LIBURING_SYSCALL_H
#error "This file should be included from src/syscall.h (liburing)"
#endif
#ifndef LIBURING_ARCH_GENERIC_SYSCALL_H
#define LIBURING_ARCH_GENERIC_SYSCALL_H
static inline int ____sys_io_uring_register(int fd, unsigned opcode,
const void *arg, unsigned nr_args)
{
int ret;
ret = syscall(__NR_io_uring_register, fd, opcode, arg, nr_args);
return (ret < 0) ? -errno : ret;
}
static inline int ____sys_io_uring_setup(unsigned entries,
struct io_uring_params *p)
{
int ret;
ret = syscall(__NR_io_uring_setup, entries, p);
return (ret < 0) ? -errno : ret;
}
static inline int ____sys_io_uring_enter2(int fd, unsigned to_submit,
unsigned min_complete, unsigned flags,
sigset_t *sig, int sz)
{
int ret;
ret = syscall(__NR_io_uring_enter, fd, to_submit, min_complete, flags,
sig, sz);
return (ret < 0) ? -errno : ret;
}
static inline int ____sys_io_uring_enter(int fd, unsigned to_submit,
unsigned min_complete, unsigned flags,
sigset_t *sig)
{
return ____sys_io_uring_enter2(fd, to_submit, min_complete, flags, sig,
_NSIG / 8);
}
static inline void *uring_mmap(void *addr, size_t length, int prot, int flags,
int fd, off_t offset)
{
void *ret;
ret = mmap(addr, length, prot, flags, fd, offset);
return (ret == MAP_FAILED) ? ERR_PTR(-errno) : ret;
}
static inline int uring_munmap(void *addr, size_t length)
{
int ret;
ret = munmap(addr, length);
return (ret < 0) ? -errno : ret;
}
static inline int uring_madvise(void *addr, size_t length, int advice)
{
int ret;
ret = madvise(addr, length, advice);
return (ret < 0) ? -errno : ret;
}
static inline int uring_getrlimit(int resource, struct rlimit *rlim)
{
int ret;
ret = getrlimit(resource, rlim);
return (ret < 0) ? -errno : ret;
}
static inline int uring_setrlimit(int resource, const struct rlimit *rlim)
{
int ret;
ret = setrlimit(resource, rlim);
return (ret < 0) ? -errno : ret;
}
static inline int uring_close(int fd)
{
int ret;
ret = close(fd);
return (ret < 0) ? -errno : ret;
}
#endif /* #ifndef LIBURING_ARCH_GENERIC_SYSCALL_H */
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