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-rw-r--r--src/syscall.h81
1 files changed, 81 insertions, 0 deletions
diff --git a/src/syscall.h b/src/syscall.h
index 2368f83..f7f63aa 100644
--- a/src/syscall.h
+++ b/src/syscall.h
@@ -2,7 +2,49 @@
#ifndef LIBURING_SYSCALL_H
#define LIBURING_SYSCALL_H
+#include <errno.h>
#include <signal.h>
+#include <unistd.h>
+#include <sys/mman.h>
+#include <sys/syscall.h>
+#include <sys/resource.h>
+
+#ifdef __alpha__
+/*
+ * alpha and mips are exception, other architectures have
+ * common numbers for new system calls.
+ */
+# ifndef __NR_io_uring_setup
+# define __NR_io_uring_setup 535
+# endif
+# ifndef __NR_io_uring_enter
+# define __NR_io_uring_enter 536
+# endif
+# ifndef __NR_io_uring_register
+# define __NR_io_uring_register 537
+# endif
+#elif defined __mips__
+# ifndef __NR_io_uring_setup
+# define __NR_io_uring_setup (__NR_Linux + 425)
+# endif
+# ifndef __NR_io_uring_enter
+# define __NR_io_uring_enter (__NR_Linux + 426)
+# endif
+# ifndef __NR_io_uring_register
+# define __NR_io_uring_register (__NR_Linux + 427)
+# endif
+#else /* !__alpha__ and !__mips__ */
+# ifndef __NR_io_uring_setup
+# define __NR_io_uring_setup 425
+# endif
+# ifndef __NR_io_uring_enter
+# define __NR_io_uring_enter 426
+# endif
+# ifndef __NR_io_uring_register
+# define __NR_io_uring_register 427
+# endif
+#endif
+
struct io_uring_params;
@@ -17,4 +59,43 @@ int __sys_io_uring_enter2(int fd, unsigned to_submit, unsigned min_complete,
int __sys_io_uring_register(int fd, unsigned int opcode, const void *arg,
unsigned int nr_args);
+
+
+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);
+}
+
#endif