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convert all to use sys/linux over sys/unix; new implementations for pipe, process and env

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This commit is contained in:
jason
2024-06-27 17:14:48 -04:00
parent f22754fc90
commit f24f72c280
12 changed files with 1269 additions and 543 deletions
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core/os/os2/stat_linux.odin
+20 -96
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@@ -3,108 +3,32 @@ package os2
import "core:time"
import "base:runtime"
import "core:sys/unix"
import "core:sys/linux"
import "core:path/filepath"
// File type
S_IFMT :: 0o170000 // Type of file mask
S_IFIFO :: 0o010000 // Named pipe (fifo)
S_IFCHR :: 0o020000 // Character special
S_IFDIR :: 0o040000 // Directory
S_IFBLK :: 0o060000 // Block special
S_IFREG :: 0o100000 // Regular
S_IFLNK :: 0o120000 // Symbolic link
S_IFSOCK :: 0o140000 // Socket
// File mode
// Read, write, execute/search by owner
S_IRWXU :: 0o0700 // RWX mask for owner
S_IRUSR :: 0o0400 // R for owner
S_IWUSR :: 0o0200 // W for owner
S_IXUSR :: 0o0100 // X for owner
// Read, write, execute/search by group
S_IRWXG :: 0o0070 // RWX mask for group
S_IRGRP :: 0o0040 // R for group
S_IWGRP :: 0o0020 // W for group
S_IXGRP :: 0o0010 // X for group
// Read, write, execute/search by others
S_IRWXO :: 0o0007 // RWX mask for other
S_IROTH :: 0o0004 // R for other
S_IWOTH :: 0o0002 // W for other
S_IXOTH :: 0o0001 // X for other
S_ISUID :: 0o4000 // Set user id on execution
S_ISGID :: 0o2000 // Set group id on execution
S_ISVTX :: 0o1000 // Directory restrcted delete
S_ISLNK :: #force_inline proc(m: u32) -> bool { return (m & S_IFMT) == S_IFLNK }
S_ISREG :: #force_inline proc(m: u32) -> bool { return (m & S_IFMT) == S_IFREG }
S_ISDIR :: #force_inline proc(m: u32) -> bool { return (m & S_IFMT) == S_IFDIR }
S_ISCHR :: #force_inline proc(m: u32) -> bool { return (m & S_IFMT) == S_IFCHR }
S_ISBLK :: #force_inline proc(m: u32) -> bool { return (m & S_IFMT) == S_IFBLK }
S_ISFIFO :: #force_inline proc(m: u32) -> bool { return (m & S_IFMT) == S_IFIFO }
S_ISSOCK :: #force_inline proc(m: u32) -> bool { return (m & S_IFMT) == S_IFSOCK }
F_OK :: 0 // Test for file existance
X_OK :: 1 // Test for execute permission
W_OK :: 2 // Test for write permission
R_OK :: 4 // Test for read permission
@private
Unix_File_Time :: struct {
seconds: i64,
nanoseconds: i64,
}
@private
_Stat :: struct {
device_id: u64, // ID of device containing file
serial: u64, // File serial number
nlink: u64, // Number of hard links
mode: u32, // Mode of the file
uid: u32, // User ID of the file's owner
gid: u32, // Group ID of the file's group
_padding: i32, // 32 bits of padding
rdev: u64, // Device ID, if device
size: i64, // Size of the file, in bytes
block_size: i64, // Optimal bllocksize for I/O
blocks: i64, // Number of 512-byte blocks allocated
last_access: Unix_File_Time, // Time of last access
modified: Unix_File_Time, // Time of last modification
status_change: Unix_File_Time, // Time of last status change
_reserve1,
_reserve2,
_reserve3: i64,
}
_fstat :: proc(f: ^File, allocator: runtime.Allocator) -> (File_Info, Error) {
return _fstat_internal(f.impl.fd, allocator)
}
_fstat_internal :: proc(fd: int, allocator: runtime.Allocator) -> (File_Info, Error) {
s: _Stat
result := unix.sys_fstat(fd, &s)
if result < 0 {
return {}, _get_platform_error(result)
_fstat_internal :: proc(fd: linux.Fd, allocator: runtime.Allocator) -> (File_Info, Error) {
s: linux.Stat
errno := linux.fstat(fd, &s)
if errno != .NONE {
return {}, _get_platform_error(errno)
}
// TODO: As of Linux 4.11, the new statx syscall can retrieve creation_time
fi := File_Info {
fullpath = _get_full_path(fd, allocator),
name = "",
size = s.size,
size = i64(s.size),
mode = 0,
is_directory = S_ISDIR(s.mode),
modification_time = time.Time {s.modified.seconds},
access_time = time.Time {s.last_access.seconds},
creation_time = time.Time{0}, // regular stat does not provide this
is_directory = linux.S_ISDIR(s.mode),
modification_time = time.Time {i64(s.mtime.time_sec) * i64(time.Second) + i64(s.mtime.time_nsec)},
access_time = time.Time {i64(s.atime.time_sec) * i64(time.Second) + i64(s.atime.time_nsec)},
creation_time = time.Time{i64(s.ctime.time_sec) * i64(time.Second) + i64(s.ctime.time_nsec)}, // regular stat does not provide this
}
fi.creation_time = fi.modification_time
fi.name = filepath.base(fi.fullpath)
return fi, nil
@@ -115,11 +39,11 @@ _stat :: proc(name: string, allocator: runtime.Allocator) -> (fi: File_Info, err
TEMP_ALLOCATOR_GUARD()
name_cstr := temp_cstring(name) or_return
fd := unix.sys_open(name_cstr, _O_RDONLY)
if fd < 0 {
return {}, _get_platform_error(fd)
fd, errno := linux.open(name_cstr, {})
if errno != .NONE {
return {}, _get_platform_error(errno)
}
defer unix.sys_close(fd)
defer linux.close(fd)
return _fstat_internal(fd, allocator)
}
@@ -127,11 +51,11 @@ _lstat :: proc(name: string, allocator: runtime.Allocator) -> (fi: File_Info, er
TEMP_ALLOCATOR_GUARD()
name_cstr := temp_cstring(name) or_return
fd := unix.sys_open(name_cstr, _O_RDONLY | _O_PATH | _O_NOFOLLOW)
if fd < 0 {
return {}, _get_platform_error(fd)
fd, errno := linux.open(name_cstr, {.PATH, .NOFOLLOW})
if errno != .NONE {
return {}, _get_platform_error(errno)
}
defer unix.sys_close(fd)
defer linux.close(fd)
return _fstat_internal(fd, allocator)
}