From d1a205e2cfb44df31801201fc8818e02527b45dc Mon Sep 17 00:00:00 2001 From: PucklaJ Date: Sun, 28 Apr 2024 11:56:19 +0200 Subject: [PATCH] [sys/linux]: Remove clone syscall and call it directly in fork on arm64 --- core/sys/linux/sys.odin | 22 ++-------------------- 1 file changed, 2 insertions(+), 20 deletions(-) diff --git a/core/sys/linux/sys.odin b/core/sys/linux/sys.odin index a9ec3c24e..57827d45c 100644 --- a/core/sys/linux/sys.odin +++ b/core/sys/linux/sys.odin @@ -729,32 +729,14 @@ getsockopt :: proc { getsockopt_base, } -/* - Creates a new ("child") process, in a manner similar to fork. - Available since Linux 1.0? (<2.4) - - Note(flysand): this syscall is not documented, but the bottom 8 bits of flags - are for exit signal -*/ -clone :: proc "contextless" (flags: u64, stack: rawptr, parent_tid, child_tid: ^i32, tls: u64) -> (i64, Errno) { - when ODIN_ARCH == .amd64 { - ret := syscall(SYS_clone, flags, stack, parent_tid, child_tid, tls) - return errno_unwrap(ret, i64) - } else { - ret := syscall(SYS_clone, flags, stack, parent_tid, tls, child_tid) - return errno_unwrap(ret, i64) - } -} - /* Creates a copy of the running process. Available since Linux 1.0. */ fork :: proc "contextless" () -> (Pid, Errno) { when ODIN_ARCH == .arm64 { - ret, err := clone(u64(Signal.SIGCHLD), nil, nil, nil, 0) - if err != .NONE do return Pid(ret), err - return Pid(ret), err + ret := syscall(SYS_clone, u64(Signal.SIGCHLD), cast(rawptr) nil, cast(rawptr) nil, cast(rawptr) nil, u64(0)) + return errno_unwrap(ret, Pid) } else { ret := syscall(SYS_fork) return errno_unwrap(ret, Pid)