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Fix O_NOFOLLOW typo. Add Linux support for POSIX fcntl.

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Isaac Andrade
2024-09-14 17:01:15 -06:00
parent af94c4ab32
commit aa91479870
1 changed files with 109 additions and 43 deletions
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core/sys/posix/fcntl.odin
+109 -43
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@@ -107,11 +107,11 @@ O_Flag_Bits :: enum c.int {
// If terminal device, do not make it the controlling terminal for the process.
NOCTTY = log2(O_NOCTTY),
// Don't follow symbolic links, fail with errno ELOOP.
NOFOLLOW = log2(O_NOFOLOW),
NOFOLLOW = log2(O_NOFOLLOW),
// If exists and regular, truncate the length to 0.
TRUNC = log2(O_TRUNC),
// NOTE: use with `posix.O_TTY_INIT + { .OTHER_FLAG, .OTHER_FLAG }`, unfortunately can't be in
// NOTE: use with `posix.O_TTY_INIT + { .OTHER_FLAG, .OTHER_FLAG }`, unfortunately can't be in
// this bit set enum because it is 0 on some platforms and a value on others.
// TTY_INIT = O_TTY_INIT,
@@ -123,7 +123,7 @@ O_Flag_Bits :: enum c.int {
NONBLOCK = log2(O_NONBLOCK),
// Write I/O shall complete as defined by synchronized I/O file integrity completion.
SYNC = log2(O_SYNC),
// NOTE: use with `posix.O_RSYNC + { .OTHER_FLAG, .OTHER_FLAG }`, unfortunately can't be in
// NOTE: use with `posix.O_RSYNC + { .OTHER_FLAG, .OTHER_FLAG }`, unfortunately can't be in
// this bit set enum because it is 0 on some platforms and a value on others.
// RSYNC = O_RSYNC,
@@ -135,7 +135,6 @@ O_Flag_Bits :: enum c.int {
WRONLY = log2(O_WRONLY),
// Reading only.
// RDONLY = 0, // Default
}
O_Flags :: bit_set[O_Flag_Bits; c.int]
@@ -152,8 +151,8 @@ AT_Flags :: bit_set[AT_Flag_Bits; c.int]
when ODIN_OS == .Darwin {
off_t :: distinct c.int64_t
pid_t :: distinct c.int32_t
off_t :: distinct c.int64_t
pid_t :: distinct c.int32_t
F_DUPFD :: 0
F_DUPFD_CLOEXEC :: 67
@@ -178,7 +177,7 @@ when ODIN_OS == .Darwin {
O_DIRECTORY :: 0x00100000
O_EXCL :: 0x00000800
O_NOCTTY :: 0x00020000
O_NOFOLOW :: 0x00000100
O_NOFOLLOW :: 0x00000100
O_TRUNC :: 0x00000400
_O_TTY_INIT :: 0
@@ -189,18 +188,18 @@ when ODIN_OS == .Darwin {
O_NONBLOCK :: 0x00000004
O_SYNC :: 0x0080
_O_RSYNC :: 0
O_RSYNC :: O_Flags{}
_O_RSYNC :: 0
O_RSYNC :: O_Flags{}
O_EXEC :: 0x40000000
O_RDONLY :: 0
O_RDWR :: 0x0002
O_WRONLY :: 0x0001
O_EXEC :: 0x40000000
O_RDONLY :: 0
O_RDWR :: 0x0002
O_WRONLY :: 0x0001
_O_SEARCH :: O_EXEC | O_DIRECTORY
O_SEARCH :: O_Flags{ .EXEC, .DIRECTORY }
O_SEARCH :: O_Flags{.EXEC, .DIRECTORY}
AT_FDCWD: FD: -2
AT_FDCWD: FD : -2
AT_EACCESS :: 0x0010
AT_SYMLINK_NOFOLLOW :: 0x0020
@@ -217,8 +216,8 @@ when ODIN_OS == .Darwin {
} else when ODIN_OS == .FreeBSD {
off_t :: distinct c.int64_t
pid_t :: distinct c.int32_t
off_t :: distinct c.int64_t
pid_t :: distinct c.int32_t
F_DUPFD :: 0
F_DUPFD_CLOEXEC :: 17
@@ -243,7 +242,7 @@ when ODIN_OS == .Darwin {
O_DIRECTORY :: 0x00020000
O_EXCL :: 0x0800
O_NOCTTY :: 0x8000
O_NOFOLOW :: 0x0100
O_NOFOLLOW :: 0x0100
O_TRUNC :: 0x0400
_O_TTY_INIT :: 0x00080000
@@ -256,15 +255,15 @@ when ODIN_OS == .Darwin {
_O_RSYNC :: 0
O_RSYNC :: O_Flags{} // NOTE: not defined in headers
O_EXEC :: 0x00040000
O_RDONLY :: 0
O_RDWR :: 0x0002
O_WRONLY :: 0x0001
O_EXEC :: 0x00040000
O_RDONLY :: 0
O_RDWR :: 0x0002
O_WRONLY :: 0x0001
_O_SEARCH :: O_EXEC
O_SEARCH :: O_Flags{ .EXEC }
AT_FDCWD: FD: -100
AT_FDCWD: FD : -100
AT_EACCESS :: 0x0100
AT_SYMLINK_NOFOLLOW :: 0x0200
@@ -282,8 +281,8 @@ when ODIN_OS == .Darwin {
} else when ODIN_OS == .NetBSD {
off_t :: distinct c.int64_t
pid_t :: distinct c.int32_t
off_t :: distinct c.int64_t
pid_t :: distinct c.int32_t
F_DUPFD :: 0
F_DUPFD_CLOEXEC :: 12
@@ -308,7 +307,7 @@ when ODIN_OS == .Darwin {
O_DIRECTORY :: 0x0020000
O_EXCL :: 0x0800
O_NOCTTY :: 0x8000
O_NOFOLOW :: 0x0100
O_NOFOLLOW :: 0x0100
O_TRUNC :: 0x0400
_O_TTY_INIT :: 0
@@ -319,19 +318,19 @@ when ODIN_OS == .Darwin {
O_NONBLOCK :: 0x0004
O_SYNC :: 0x0080
_O_RSYNC :: 0x0002
O_RSYNC :: O_Flags{O_Flag_Bits(log2(_O_RSYNC))}
_O_RSYNC :: 0x0002
O_RSYNC :: O_Flags{O_Flag_Bits(log2(_O_RSYNC))}
O_EXEC :: 0x04000000
O_RDONLY :: 0
O_RDWR :: 0x0002
O_WRONLY :: 0x0001
O_EXEC :: 0x04000000
O_RDONLY :: 0
O_RDWR :: 0x0002
O_WRONLY :: 0x0001
_O_SEARCH :: 0x00800000
O_SEARCH :: O_Flags{O_Flag_Bits(log2(_O_SEARCH))}
AT_FDCWD: FD: -100
AT_FDCWD: FD : -100
AT_EACCESS :: 0x100
AT_SYMLINK_NOFOLLOW :: 0x200
@@ -347,8 +346,8 @@ when ODIN_OS == .Darwin {
}
} else when ODIN_OS == .OpenBSD {
off_t :: distinct c.int64_t
pid_t :: distinct c.int32_t
off_t :: distinct c.int64_t
pid_t :: distinct c.int32_t
F_DUPFD :: 0
F_DUPFD_CLOEXEC :: 10
@@ -373,7 +372,7 @@ when ODIN_OS == .Darwin {
O_DIRECTORY :: 0x20000
O_EXCL :: 0x0800
O_NOCTTY :: 0x8000
O_NOFOLOW :: 0x0100
O_NOFOLLOW :: 0x0100
O_TRUNC :: 0x0400
_O_TTY_INIT :: 0
@@ -384,18 +383,18 @@ when ODIN_OS == .Darwin {
O_NONBLOCK :: 0x0004
O_SYNC :: 0x0080
_O_RSYNC :: O_SYNC
O_RSYNC :: O_Flags{ .SYNC }
_O_RSYNC :: O_SYNC
O_RSYNC :: O_Flags{.SYNC}
O_EXEC :: 0x04000000 // NOTE: not defined in the headers
O_RDONLY :: 0
O_RDWR :: 0x0002
O_WRONLY :: 0x0001
O_EXEC :: 0x04000000 // NOTE: not defined in the headers
O_RDONLY :: 0
O_RDWR :: 0x0002
O_WRONLY :: 0x0001
_O_SEARCH :: 0
O_SEARCH :: O_Flags{} // NOTE: not defined in the headers
AT_FDCWD: FD: -100
AT_FDCWD: FD : -100
AT_EACCESS :: 0x01
AT_SYMLINK_NOFOLLOW :: 0x02
@@ -410,6 +409,73 @@ when ODIN_OS == .Darwin {
l_whence: c.short, /* [PSX] flag (Whence) of starting offset */
}
} else when ODIN_OS == .Linux {
off_t :: distinct c.int64_t
pid_t :: distinct c.int
F_DUPFD :: 0 // Duplicate file descriptor.
F_GETFD :: 1 /* Get file descriptor flags. */
F_SETFD :: 2 /* Set file descriptor flags. */
F_GETFL :: 3 /* Get file status flags. */
F_SETFL :: 4 /* Set file status flags. */
F_GETLK :: 5 /* Get record locking info. */
F_SETLK :: 6 /* Set record locking info (non-blocking). */
F_SETLKW :: 7 /* Set record locking info (blocking). */
F_SETOWN :: 8 /* Get owner (process receiving SIGIO). */
F_GETOWN :: 9 /* Set owner (process receiving SIGIO). */
F_RDLCK :: 0 /* Read lock. */
F_UNLCK :: 2 /* Remove lock. */
F_WRLCK :: 1 /* Write lock. */
F_DUPFD_CLOEXEC :: 1030 /* Duplicate file descriptor with close-on-exit set. */
FD_CLOEXEC :: 1
O_CREAT :: 0o0_000_100
O_EXCL :: 0o0_000_200
O_NOCTTY :: 0o0_000_400
O_TRUNC :: 0o0_001_000
O_DIRECTORY :: 0o0_200_000
O_NOFOLLOW :: 0o0_400_000
O_CLOEXEC :: 0o2_000_000
_O_TTY_INIT :: 0
O_TTY_INIT :: O_Flags{}
O_APPEND :: 0o0_002_000
O_NONBLOCK :: 0o0_004_000
O_DSYNC :: 0o0_010_000
O_SYNC :: 0o4_010_000
_O_RSYNC :: 0
O_RSYNC :: O_Flags{}
// NOTE: Not implemented in Linux
O_EXEC :: 0
O_RDONLY :: 0
O_WRONLY :: 0o1
O_RDWR :: 0o2
_O_SEARCH :: 0
O_SEARCH :: O_Flags{}
AT_FDCWD: FD : -100 // Special value used to indicate the *at functions should use the current working directory.
AT_EACCESS :: 0x200 // Test access permitted for effective IDs, not real IDs.
AT_SYMLINK_NOFOLLOW :: 0x100 // Do not follow symbolic links.
AT_SYMLINK_FOLLOW :: 0x400 // Follow symbolic links.
AT_REMOVEDIR :: 0x200 // Remove directory instead of unlinking file.
flock :: struct {
l_start: off_t, // [PSX] relative offset in bytes.
l_len: off_t, // [PSX] size; if 0 then until EOF.
l_pid: pid_t, // [PSX] process ID of the process holding the lock.
l_type: Lock_Type, // [PSX] type of lock.
l_whence: c.short, // [PSX] flag (Whence) of starting offset.
}
} else {
#panic("posix is unimplemented for the current target")
}