Module flag 

Structs

CallFlags

Flags for IPC call operations (used with SYS_IPC_CALL).

MapFlags

Memory mapping flags for SYS_MMAP.

OpenFlags

File open flags for SYS_OPEN and SYS_OPENAT.

UnlinkFlags

Flags for SYS_UNLINKAT.

Constants

O_ACCMODE

Access mask for read/write mode

O_APPEND

Append to file (writes always go to end)

O_CREAT

Create file if it does not exist

O_DIRECTORY

Open directory only

O_DSYNC

Synchronized I/O data integrity

O_EXCL

Create file exclusively (with O_CREAT)

O_NOCTTY

Don’t assign controlling terminal

O_NOFOLLOW

Don’t follow symbolic links

O_NONBLOCK

Non-blocking mode

O_RDONLY

Open for reading only

O_RDWR

Open for reading and writing

O_RSYNC

Synchronized I/O read operations

O_SYNC

Synchronized I/O (data + metadata)

O_TRUNC

Truncate file to zero length if it exists

O_WRONLY

Open for writing only

Functions

posix_oflags_to_strat9

Translate POSIX O_* flags to Strat9 ABI OpenFlags.