lib: Add mlibc

Signed-off-by: Ian Moffett <ian@osmora.org>

1 files changed, 79 insertions, 0 deletions

diff --git a/lib/mlibc/abis/ironclad/fcntl.h b/lib/mlibc/abis/ironclad/fcntl.h
new file mode 100644
index 0000000..10188de
--- /dev/null
+++ b/lib/mlibc/abis/ironclad/fcntl.h
@@ -0,0 +1,79 @@
+#ifndef _ABIBITS_FCNTL_H
+#define _ABIBITS_FCNTL_H
+
+// Flags supported by the kernel.
+#define O_ACCMODE   0b000011
+#define O_RDONLY    00000001
+#define O_WRONLY    0b000010
+#define O_RDWR      0b000011
+#define O_APPEND    0b000100
+#define O_CLOEXEC   0b001000
+#define O_NOFOLLOW  0b010000
+#define O_NONBLOCK  0b100000
+
+// Flags emulated by userland, we just have to make sure they dont overlap with
+// kernel flags.
+#define O_CREAT 0b0010000000
+#define O_EXCL  0b0100000000
+#define O_TRUNC 0b1000000000
+
+// Stubbed flags, the value really doesnt matter as long as they dont overlap
+// with usable ones.
+// Implemented here as some software needs them to compile.
+#define O_SEARCH    0b000000000010000000000
+#define O_EXEC      0b000000000100000000000
+#define O_NOCTTY    0b000000001000000000000
+#define O_DSYNC     0b000000010000000000000
+#define O_RSYNC     0b000000100000000000000
+#define O_SYNC      0b000001000000000000000
+#define O_PATH      0b000010000000000000000
+#define O_DIRECTORY 0b000100000000000000000
+#define O_LARGEFILE 0b001000000000000000000
+#define O_NOATIME   0b010000000000000000000
+#define O_TMPFILE   0b100000000000000000000
+
+// Fcntl flags.
+#define FD_CLOEXEC   1
+#define F_DUPFD 1
+#define F_DUPFD_CLOEXEC 2
+#define F_GETFD      3
+#define F_SETFD      4
+#define F_GETFL      5
+#define F_SETFL      6
+#define F_GETPIPE_SZ 7
+#define F_SETPIPE_SZ 8
+#define F_GETLK      9
+#define F_SETLK      10
+#define F_SETLKW     11
+
+#define F_RDLCK 1
+#define F_UNLCK 2
+#define F_WRLCK 3
+
+// Stubbed fcntl flags.
+#define F_GETOWN 10
+#define F_SETOWN 11
+
+#define F_SEAL_SHRINK 0x0002
+#define F_SEAL_GROW   0x0004
+#define F_SEAL_WRITE  0x0008
+#define F_SEAL_SEAL   0x0010
+#define F_ADD_SEALS   1033
+#define F_GET_SEALS   1034
+
+// At flags.
+#define AT_REMOVEDIR        500
+#define AT_EACCESS          512
+#define AT_FDCWD            0x7FFFFFFF
+#define AT_EMPTY_PATH       1
+#define AT_SYMLINK_FOLLOW   0
+#define AT_SYMLINK_NOFOLLOW 2
+
+#define POSIX_FADV_NORMAL 1
+#define POSIX_FADV_SEQUENTIAL 2
+#define POSIX_FADV_NOREUSE 3
+#define POSIX_FADV_DONTNEED 4
+#define POSIX_FADV_WILLNEED 5
+#define POSIX_FADV_RANDOM 6
+
+#endif // _ABIBITS_FCNTL_H