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sys/linux: Add binding to ioctl syscall + fd consts

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Add binding to ioctl syscall, due to the vast nature of this syscall
adding more device specific request values is possible. Also added the
stdin, stdout and stderr, to constants.odin
This commit is contained in:
marcs-feh
2024-01-22 16:09:44 -03:00
parent 98b539ac5c
commit 7b1f58a06a
2 changed files with 26 additions and 1 deletions
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15
core/sys/linux/constants.odin
View File

@@ -1,6 +1,21 @@
package linux
/*
Standard input file descriptor
*/
STDIN_FILENO :: Fd(0)
/*
Standard output file descriptor
*/
STDOUT_FILENO :: Fd(1)
/*
Standard output file descriptor
*/
STDERR_FILENO :: Fd(2)
/*
Special file descriptor to pass to `*at` functions to specify
that relative paths are relative to current directory.

12
core/sys/linux/sys.odin
View File

@@ -216,7 +216,17 @@ rt_sigprocmask :: proc "contextless" (mask_kind: Sig_Mask_Kind, new_set: ^Sig_Se
return Errno(-ret)
}
// TODO(flysand): ioctl
/*
Control devices. The ioctl syscall is a bit special because
its argument is usually a pointer to some driver-specific structure.
The request value is device-specific. Consult your LibC implementation's
ioctls.h file to learn more.
Available since Linux 1.0.
*/
ioctl :: proc "contextless" (fd: Fd, request: u64, arg: u64) -> (Errno) {
ret := syscall(SYS_ioctl, fd, request, arg)
return Errno(-ret)
}
/*
Read the file at a specified offset.