Linux POSIX support

core/os/os_linux.odin

@@ -26,6 +26,9 @@ Pid       :: distinct i32
 File_Time :: distinct u64
 Socket    :: distinct int
 
+ino_t :: u64
+ino_t32 :: u32
+
 INVALID_HANDLE :: ~Handle(0)
 
 _Platform_Error :: linux.Errno

core/sys/posix/dirent.odin

@@ -193,11 +193,41 @@ when ODIN_OS == .Darwin {
 } else when ODIN_OS == .NetBSD {
 
 	dirent :: struct {
-		d_ino:     ino_t,                    /* [PSX] file number of entry */
-		d_reclen:  c.uint16_t,               /* length of this record */
-		d_namelen: c.uint16_t,               /* length of string in d_name */
-		d_type:    D_Type,                   /* file type  */
-		d_name:    [512]c.char `fmt:"s,0"`,  /* [PSX] entry name */
+		d_ino:     ino_t,                   /* [PSX] file number of entry */
+		d_reclen:  c.uint16_t,              /* length of this record */
+		d_namelen: c.uint16_t,              /* length of string in d_name */
+		d_type:    D_Type,                  /* file type  */
+		d_name:    [512]c.char `fmt:"s,0"`, /* [PSX] entry name */
+	}
+
+} else when ODIN_OS == .Linux {
+
+	when ODIN_ARCH == .i386 || ODIN_ARCH == .wasm32 || ODIN_ARCH == .arm32 {
+
+		dirent :: struct {
+			d_ino: ino_t32,                  /* [PSX] file number of entry */
+			d_off: off_t32,                  /* directory offset of the next entry */
+			d_reclen: c.uint16_t,            /* length of this record */
+			d_type: D_Type,                  /* file type  */
+			d_name: [256]c.char `fmt:"s,0"`, /* [PSX] entry name */
+		}
+	} else when ODIN_ARCH == .amd64 || ODIN_ARCH == .wasm64p32 || ODIN_ARCH == .arm64 {
+
+		dirent :: struct {
+			d_ino: ino_t,                    /* [PSX] file number of entry */
+			d_off: off_t,                    /* directory offset of the next entry */
+			d_reclen: c.uint16_t,            /* length of this record */
+			d_type: D_Type,                  /* file type  */
+			d_name: [256]c.char `fmt:"s,0"`, /* [PSX] entry name */
+		}
+	}
+
+	dirent64 :: struct {
+		d_ino: ino_t,                    /* [PSX] file number of entry */
+		d_off: off_t,                    /* directory offset of the next entry */
+		d_reclen: c.uint16_t,            /* length of this record */
+		d_type: D_Type,                  /* file type  */
+		d_name: [256]c.char `fmt:"s,0"`, /* [PSX] entry name */
 	}
 
 } else {

core/sys/posix/errno.odin

@@ -141,7 +141,7 @@ when ODIN_OS == .Darwin {
 	EMLINK          :: 31
 	EPIPE           :: 32
 	EAGAIN          :: 35
-	EWOULDBLOCK     :: 35
+	EWOULDBLOCK     :: EAGAIN
 	EINPROGRESS     :: 36
 	EALREADY        :: 37
 	ENOTSOCK        :: 38
@@ -151,7 +151,7 @@ when ODIN_OS == .Darwin {
 	ENOPROTOOPT     :: 42
 	EPROTONOSUPPORT :: 43
 	ENOTSUP         :: 45
-	EOPNOTSUPP      :: 45
+	EOPNOTSUPP      :: ENOTSUP
 	EAFNOSUPPORT    :: 47
 	EADDRINUSE      :: 48
 	EADDRNOTAVAIL   :: 49
@@ -220,7 +220,7 @@ when ODIN_OS == .Darwin {
 	EMLINK          :: 31
 	EPIPE           :: 32
 	EAGAIN          :: 35
-	EWOULDBLOCK     :: 35
+	EWOULDBLOCK     :: EAGAIN
 	EINPROGRESS     :: 36
 	EALREADY        :: 37
 	ENOTSOCK        :: 38
@@ -230,7 +230,7 @@ when ODIN_OS == .Darwin {
 	ENOPROTOOPT     :: 42
 	EPROTONOSUPPORT :: 43
 	ENOTSUP         :: 45
-	EOPNOTSUPP      :: 45
+	EOPNOTSUPP      :: ENOTSUP
 	EAFNOSUPPORT    :: 47
 	EADDRINUSE      :: 48
 	EADDRNOTAVAIL   :: 49
@@ -301,7 +301,7 @@ when ODIN_OS == .Darwin {
 	EMLINK          :: 31
 	EPIPE           :: 32
 	EAGAIN          :: 35
-	EWOULDBLOCK     :: 35
+	EWOULDBLOCK     :: EAGAIN
 	EINPROGRESS     :: 36
 	EALREADY        :: 37
 	ENOTSOCK        :: 38
@@ -311,7 +311,7 @@ when ODIN_OS == .Darwin {
 	ENOPROTOOPT     :: 42
 	EPROTONOSUPPORT :: 43
 	ENOTSUP         :: 45
-	EOPNOTSUPP      :: 45
+	EOPNOTSUPP      :: ENOTSUP
 	EAFNOSUPPORT    :: 47
 	EADDRINUSE      :: 48
 	EADDRNOTAVAIL   :: 49
@@ -367,6 +367,95 @@ when ODIN_OS == .Darwin {
 		ETIME           :: -1
 	}
 
+} else when ODIN_OS == .Linux {
+	EPERM           :: 1
+	ENOENT          :: 2
+	ESRCH           :: 3
+	EINTR           :: 4
+	EIO             :: 5
+	ENXIO           :: 6
+	E2BIG           :: 7
+	ENOEXEC         :: 8
+	EBADF           :: 9
+	ECHILD          :: 10
+	EAGAIN          :: 11
+	EWOULDBLOCK     :: EAGAIN
+	ENOMEM          :: 12
+	EACCES          :: 13
+	EFAULT          :: 14
+	EBUSY           :: 16
+	EEXIST          :: 17
+	EXDEV           :: 18
+	ENODEV          :: 19
+	ENOTDIR         :: 20
+	EISDIR          :: 21
+	EINVAL          :: 22
+	ENFILE          :: 23
+	EMFILE          :: 24
+	ENOTTY          :: 25
+	ETXTBSY         :: 26
+	EFBIG           :: 27
+	ENOSPC          :: 28
+	ESPIPE          :: 29
+	EROFS           :: 30
+	EMLINK          :: 31
+	EPIPE           :: 32
+
+	EDEADLK         :: 35
+	ENAMETOOLONG    :: 36
+	ENOLCK          :: 37
+	ENOSYS          :: 38
+	ENOTEMPTY       :: 39
+	ELOOP           :: 40
+	ENOMSG          :: 42
+	EIDRM           :: 43
+
+	ENOSTR          :: 60
+	ENODATA         :: 61
+	ETIME           :: 62
+	ENOSR           :: 63
+
+	ENOLINK         :: 67
+
+	EPROTO          :: 71
+	EMULTIHOP       :: 72
+	EBADMSG         :: 74
+	EOVERFLOW       :: 75
+
+	ENOTSOCK        :: 88
+	EDESTADDRREQ    :: 89
+	EMSGSIZE        :: 90
+	EPROTOTYPE      :: 91
+	ENOPROTOOPT     :: 92
+	EPROTONOSUPPORT :: 93
+
+	EOPNOTSUPP      :: 95
+	ENOTSUP         :: EOPNOTSUPP
+	EAFNOSUPPORT    :: 97
+	EADDRINUSE      :: 98
+	EADDRNOTAVAIL   :: 99
+	ENETDOWN        :: 100
+	ENETUNREACH     :: 101
+	ENETRESET       :: 102
+	ECONNABORTED    :: 103
+	ECONNRESET      :: 104
+	ENOBUFS         :: 105
+	EISCONN         :: 106
+	ENOTCONN        :: 107
+
+	ETIMEDOUT       :: 110
+	ECONNREFUSED    :: 111
+
+	EHOSTUNREACH    :: 113
+	EALREADY        :: 114
+	EINPROGRESS     :: 115
+	ESTALE          :: 116
+
+	EDQUOT          :: 122
+	ECANCELED       :: 125
+
+	EOWNERDEAD      :: 130
+	ENOTRECOVERABLE :: 131
 } else {
 	#panic("posix is unimplemented for the current target")
 }

core/sys/posix/fcntl.odin

@@ -410,6 +410,9 @@ when ODIN_OS == .Darwin {
 		l_whence: c.short,   /* [PSX] flag (Whence) of starting offset */
 	}
 
+} else when ODIN_OS == .Linux {
+	off_t :: distinct c.uint64_t
+	off_t32 :: distinct c.uint32_t
 } else {
 	#panic("posix is unimplemented for the current target")
 }

core/sys/posix/sys_stat.odin

@@ -427,6 +427,9 @@ when ODIN_OS == .Darwin {
 	UTIME_NOW  :: -2
 	UTIME_OMIT :: -1
 
+} else when ODIN_OS == .Linux {
+	ino_t   :: distinct u64
+	ino_t32 :: distinct u32
 } else {
 	#panic("posix is unimplemented for the current target")
 }