shithub: mc

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Add 'ioctl' syscall to Linux.

    It's going to be needed by BPF. Note, I am not sure about how the
    ABI will work for varargs, and the code may need revisiting and/or
    compatibility shims.

    I'm with the plan 9 folks: Fuck ioctl.

--- a/libstd/sys-linux.myr

+++ b/libstd/sys-linux.myr

@@ -475,6 +475,7 @@

 	const stat	: (path:byte[:], sb:statbuf# -> int64)

 	const fstat	: (fd:fd, sb:statbuf# -> int64)

 	const mkdir	: (path : byte[:], mode : int64	-> int64)

+	const ioctl	: (fd:fd, req : int64, args:... -> int64)

 	/* networking */

 	const socket	: (dom : sockfam, stype : socktype, proto : sockproto	-> fd)

@@ -564,6 +565,7 @@

 const stat	= {path, sb;		-> syscall(Sysstat, cstring(path), sb)}

 const fstat	= {fd, sb;		-> syscall(Sysfstat, fd, sb)}

 const mkdir	= {path, mode;		-> syscall(Sysmkdir, cstring(path), mode) castto(int64)}

+const ioctl	= {fd, req, args	-> syscall(Sysioctl, fd, req, &args) castto(int64)}

 /* networking */

 const socket	= {dom, stype, proto;	-> syscall(Syssocket, dom castto(int64), stype, proto) castto(fd)}