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Use union #shared_nil for os.Error

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This commit is contained in:
gingerBill
2024-08-04 11:05:30 +01:00
parent e60951a902
commit 9f9abb8fb3
18 changed files with 93 additions and 87 deletions
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core/os/os_wasi.odin
+9 -11
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@@ -4,9 +4,7 @@ import "core:sys/wasm/wasi"
import "base:runtime"
Handle :: distinct i32
_Platform_Error :: enum i32 {
NONE = 0,
}
_Platform_Error :: wasi.errno_t
INVALID_HANDLE :: -1
@@ -150,22 +148,22 @@ wasi_match_preopen :: proc(path: string) -> (wasi.fd_t, string, bool) {
write :: proc(fd: Handle, data: []byte) -> (int, Errno) {
iovs := wasi.ciovec_t(data)
n, err := wasi.fd_write(wasi.fd_t(fd), {iovs})
return int(n), Errno(err)
return int(n), Platform_Error(err)
}
read :: proc(fd: Handle, data: []byte) -> (int, Errno) {
iovs := wasi.iovec_t(data)
n, err := wasi.fd_read(wasi.fd_t(fd), {iovs})
return int(n), Errno(err)
return int(n), Platform_Error(err)
}
write_at :: proc(fd: Handle, data: []byte, offset: i64) -> (int, Errno) {
iovs := wasi.ciovec_t(data)
n, err := wasi.fd_pwrite(wasi.fd_t(fd), {iovs}, wasi.filesize_t(offset))
return int(n), Errno(err)
return int(n), Platform_Error(err)
}
read_at :: proc(fd: Handle, data: []byte, offset: i64) -> (int, Errno) {
iovs := wasi.iovec_t(data)
n, err := wasi.fd_pread(wasi.fd_t(fd), {iovs}, wasi.filesize_t(offset))
return int(n), Errno(err)
return int(n), Platform_Error(err)
}
open :: proc(path: string, mode: int = O_RDONLY, perm: int = 0) -> (Handle, Errno) {
oflags: wasi.oflags_t
@@ -203,15 +201,15 @@ open :: proc(path: string, mode: int = O_RDONLY, perm: int = 0) -> (Handle, Errn
}
fd, err := wasi.path_open(dir_fd, {.SYMLINK_FOLLOW}, relative, oflags, rights, {}, fdflags)
return Handle(fd), Errno(err)
return Handle(fd), Platform_Error(err)
}
close :: proc(fd: Handle) -> Errno {
err := wasi.fd_close(wasi.fd_t(fd))
return Errno(err)
return Platform_Error(err)
}
seek :: proc(fd: Handle, offset: i64, whence: int) -> (i64, Errno) {
n, err := wasi.fd_seek(wasi.fd_t(fd), wasi.filedelta_t(offset), wasi.whence_t(whence))
return i64(n), Errno(err)
return i64(n), Platform_Error(err)
}
current_thread_id :: proc "contextless" () -> int {
return 0
@@ -224,7 +222,7 @@ _processor_core_count :: proc() -> int {
file_size :: proc(fd: Handle) -> (i64, Errno) {
stat, err := wasi.fd_filestat_get(wasi.fd_t(fd))
if err != nil {
return 0, Errno(err)
return 0, Platform_Error(err)
}
return i64(stat.size), 0
}