lib: Add mlibc

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

21 files changed, 818 insertions, 0 deletions

diff --git a/lib/mlibc/options/linux/include/sys/epoll.h b/lib/mlibc/options/linux/include/sys/epoll.h
new file mode 100644
index 0000000..f84da7a
--- /dev/null
+++ b/lib/mlibc/options/linux/include/sys/epoll.h
@@ -0,0 +1,66 @@
+#ifndef	_SYS_EPOLL_H
+#define	_SYS_EPOLL_H
+
+#include <stdint.h>
+#include <abi-bits/signal.h>
+#include <abi-bits/epoll.h>
+#include <abi-bits/fcntl.h>
+
+#define EPOLL_NONBLOCK O_NONBLOCK
+
+// These constants match the Linux definitions.
+#define EPOLLIN 0x001
+#define EPOLLPRI 0x002
+#define EPOLLOUT 0x004
+#define EPOLLRDNORM 0x040
+#define EPOLLRDBAND 0x080
+#define EPOLLWRNORM 0x100
+#define EPOLLWRBAND 0x200
+#define EPOLLMSG 0x400
+#define EPOLLERR 0x008
+#define EPOLLHUP 0x010
+#define EPOLLRDHUP 0x2000
+#define EPOLLEXCLUSIVE (1U << 28)
+#define EPOLLWAKEUP (1U << 29)
+#define EPOLLONESHOT (1U << 30)
+#define EPOLLET (1U << 31)
+
+#define EPOLL_CTL_ADD 1
+#define EPOLL_CTL_DEL 2
+#define EPOLL_CTL_MOD 3
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef union epoll_data {
+	void *ptr;
+	int fd;
+	uint32_t u32;
+	uint64_t u64;
+} epoll_data_t;
+
+struct epoll_event {
+	uint32_t events;
+	epoll_data_t data;
+}
+#ifdef __x86_64__
+__attribute__((__packed__))
+#endif
+;
+
+#ifndef __MLIBC_ABI_ONLY
+
+int epoll_create(int);
+int epoll_create1(int);
+int epoll_ctl(int, int, int, struct epoll_event *);
+int epoll_wait(int, struct epoll_event *, int, int);
+int epoll_pwait(int, struct epoll_event *, int, int, const sigset_t *);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _SYS_EPOLL_H
diff --git a/lib/mlibc/options/linux/include/sys/eventfd.h b/lib/mlibc/options/linux/include/sys/eventfd.h
new file mode 100644
index 0000000..454a8c1
--- /dev/null
+++ b/lib/mlibc/options/linux/include/sys/eventfd.h
@@ -0,0 +1,29 @@
+#ifndef _SYS_EVENTFD_H
+#define _SYS_EVENTFD_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+#include <fcntl.h>
+
+typedef uint64_t eventfd_t;
+
+#define EFD_SEMAPHORE 1
+#define EFD_CLOEXEC O_CLOEXEC
+#define EFD_NONBLOCK O_NONBLOCK
+
+#ifndef __MLIBC_ABI_ONLY
+
+int eventfd(unsigned int, int);
+int eventfd_read(int, eventfd_t *);
+int eventfd_write(int, eventfd_t);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _SYS_EVENTFD_H
diff --git a/lib/mlibc/options/linux/include/sys/fsuid.h b/lib/mlibc/options/linux/include/sys/fsuid.h
new file mode 100644
index 0000000..9df9efc
--- /dev/null
+++ b/lib/mlibc/options/linux/include/sys/fsuid.h
@@ -0,0 +1,22 @@
+#ifndef _SYS_FSUID_H
+#define _SYS_FSUID_H
+
+#include <abi-bits/uid_t.h>
+#include <abi-bits/gid_t.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef __MLIBC_ABI_ONLY
+
+int setfsuid(uid_t uid);
+int setfsgid(gid_t gid);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _SYS_FSUID_H
diff --git a/lib/mlibc/options/linux/include/sys/inotify.h b/lib/mlibc/options/linux/include/sys/inotify.h
new file mode 100644
index 0000000..3c48403
--- /dev/null
+++ b/lib/mlibc/options/linux/include/sys/inotify.h
@@ -0,0 +1,63 @@
+#ifndef _SYS_INOTIFY_H
+#define _SYS_INOTIFY_H
+
+#include <stdint.h>
+#include <abi-bits/fcntl.h>
+#include <abi-bits/inotify.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define IN_ACCESS 0x1
+#define IN_ATTRIB 0x4
+#define IN_CLOSE_WRITE 0x8
+#define IN_CLOSE_NOWRITE 0x10
+#define IN_CREATE 0x100
+#define IN_DELETE 0x200
+#define IN_DELETE_SELF 0x400
+#define IN_MODIFY 0x2
+#define IN_MOVE_SELF 0x800
+#define IN_MOVED_FROM 0x40
+#define IN_MOVED_TO 0x80
+#define IN_OPEN 0x20
+#define IN_MOVE (IN_MOVED_FROM | IN_MOVED_TO)
+#define IN_CLOSE (IN_CLOSE_WRITE | IN_CLOSE_NOWRITE)
+#define IN_DONT_FOLLOW 0x2000000
+#define IN_EXCL_UNLINK 0x4000000
+#define IN_MASK_ADD 0x20000000
+#define IN_ONESHOT 0x80000000
+#define IN_ONLYDIR 0x1000000
+#define IN_IGNORED 0x8000
+#define IN_ISDIR 0x40000000
+#define IN_Q_OVERFLOW 0x4000
+#define IN_UNMOUNT 0x2000
+
+#define IN_ALL_EVENTS (IN_ACCESS | IN_MODIFY | IN_ATTRIB | IN_CLOSE_WRITE | \
+			 IN_CLOSE_NOWRITE | IN_OPEN | IN_MOVED_FROM | \
+			 IN_MOVED_TO | IN_DELETE | IN_CREATE | IN_DELETE_SELF | \
+			 IN_MOVE_SELF)
+
+struct inotify_event {
+	int wd;
+	unsigned int mask;
+	unsigned int cookie;
+	unsigned int len;
+	char name[];
+};
+
+#ifndef __MLIBC_ABI_ONLY
+
+int inotify_init(void);
+int inotify_init1(int);
+int inotify_add_watch(int, const char *, uint32_t);
+int inotify_rm_watch(int, int);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif //_SYS_INOTIFY_H
+
diff --git a/lib/mlibc/options/linux/include/sys/klog.h b/lib/mlibc/options/linux/include/sys/klog.h
new file mode 100644
index 0000000..520bdd1
--- /dev/null
+++ b/lib/mlibc/options/linux/include/sys/klog.h
@@ -0,0 +1,18 @@
+#ifndef _SYS_KLOG_H
+#define _SYS_KLOG_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef __MLIBC_ABI_ONLY
+
+int klogctl(int type, char *bufp, int len);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SYS_KLOG_H */
diff --git a/lib/mlibc/options/linux/include/sys/mount.h b/lib/mlibc/options/linux/include/sys/mount.h
new file mode 100644
index 0000000..2486128
--- /dev/null
+++ b/lib/mlibc/options/linux/include/sys/mount.h
@@ -0,0 +1,90 @@
+#ifndef _SYS_MOUNT_H
+#define _SYS_MOUNT_H
+
+#include <asm/ioctl.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define MS_RDONLY 1
+#define MS_NOSUID 2
+#define MS_NODEV 4
+#define MS_NOEXEC 8
+#define MS_SYNCHRONOUS 16
+#define MS_REMOUNT 32
+#define MS_MANDLOCK 64
+#define MS_DIRSYNC 128
+#define MS_NOSYMFOLLOW 256
+#define MS_NOATIME 1024
+#define MS_NODIRATIME 2048
+#define MS_BIND 4096
+#define MS_MOVE 8192
+#define MS_REC 16384
+#define MS_SILENT 32768
+#define MS_POSIXACL (1 << 16)
+#define MS_UNBINDABLE (1 << 17)
+#define MS_PRIVATE (1 << 18)
+#define MS_SLAVE (1 << 19)
+#define MS_SHARED (1 << 20)
+#define MS_RELATIME (1 << 21)
+#define MS_KERNMOUNT (1 << 22)
+#define MS_I_VERSION (1 << 23)
+#define MS_STRICTATIME (1 << 24)
+#define MS_LAZYTIME (1 << 25)
+#define MS_NOREMOTELOCK (1 << 27)
+#define MS_NOSEC (1 << 28)
+#define MS_BORN (1 << 29)
+#define MS_ACTIVE (1 << 30)
+#define MS_NOUSER (1 << 31)
+
+#define MNT_FORCE 1
+#define MNT_DETACH 2
+#define MNT_EXPIRE 4
+#define UMOUNT_NOFOLLOW 8
+
+#undef BLKROSET
+#define BLKROSET _IO(0x12, 93)
+#undef BLKROGET
+#define BLKROGET _IO(0x12, 94)
+#undef BLKRRPART
+#define BLKRRPART _IO(0x12, 95)
+#undef BLKGETSIZE
+#define BLKGETSIZE _IO(0x12, 96)
+#undef BLKFLSBUF
+#define BLKFLSBUF _IO(0x12, 97)
+#undef BLKRASET
+#define BLKRASET _IO(0x12, 98)
+#undef BLKRAGET
+#define BLKRAGET _IO(0x12, 99)
+#undef BLKFRASET
+#define BLKFRASET _IO(0x12, 100)
+#undef BLKFRAGET
+#define BLKFRAGET _IO(0x12, 101)
+#undef BLKSECTSET
+#define BLKSECTSET _IO(0x12, 102)
+#undef BLKSECTGET
+#define BLKSECTGET _IO(0x12, 103)
+#undef BLKSSZGET
+#define BLKSSZGET _IO(0x12, 104)
+#undef BLKBSZGET
+#define BLKBSZGET _IOR(0x12, 112, size_t)
+#undef BLKBSZSET
+#define BLKBSZSET _IOW(0x12, 113, size_t)
+#undef BLKGETSIZE64
+#define BLKGETSIZE64 _IOR(0x12, 114, size_t)
+
+#ifndef __MLIBC_ABI_ONLY
+
+int mount(const char *source, const char *target,
+		const char *fstype, unsigned long flags, const void *data);
+int umount(const char *target);
+int umount2(const char *target, int flags);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _SYS_MOUNT_H
diff --git a/lib/mlibc/options/linux/include/sys/prctl.h b/lib/mlibc/options/linux/include/sys/prctl.h
new file mode 100644
index 0000000..de987c1
--- /dev/null
+++ b/lib/mlibc/options/linux/include/sys/prctl.h
@@ -0,0 +1,128 @@
+
+#ifndef _SYS_PRCTL_H
+#define _SYS_PRCTL_H
+
+#include <stdint.h>
+
+#define PR_SET_PDEATHSIG 1
+#define PR_GET_PDEATHSIG 2
+#define PR_GET_DUMPABLE 3
+#define PR_SET_DUMPABLE 4
+#define PR_GET_UNALIGN 5
+#define PR_SET_UNALIGN 6
+#define PR_UNALIGN_NOPRINT 1
+#define PR_UNALIGN_SIGBUS 2
+#define PR_GET_KEEPCAPS 7
+#define PR_SET_KEEPCAPS 8
+#define PR_GET_FPEMU 9
+#define PR_SET_FPEMU 10
+#define PR_FPEMU_NOPRINT 1
+#define PR_FPEMU_SIGFPE 2
+#define PR_GET_FPEXC 11
+#define PR_SET_FPEXC 12
+#define PR_FP_EXC_SW_ENABLE 0x80
+#define PR_FP_EXC_DIV 0x010000
+#define PR_FP_EXC_OVF 0x020000
+#define PR_FP_EXC_UND 0x040000
+#define PR_FP_EXC_RES 0x080000
+#define PR_FP_EXC_INV 0x100000
+#define PR_FP_EXC_DISABLED 0
+#define PR_FP_EXC_NONRECOV 1
+#define PR_FP_EXC_ASYNC 2
+#define PR_FP_EXC_PRECISE 3
+#define PR_GET_TIMING 13
+#define PR_SET_TIMING 14
+#define PR_TIMING_STATISTICAL 0
+#define PR_TIMING_TIMESTAMP 1
+#define PR_SET_NAME 15
+#define PR_GET_NAME 16
+#define PR_GET_ENDIAN 19
+#define PR_SET_ENDIAN 20
+#define PR_ENDIAN_BIG 0
+#define PR_ENDIAN_LITTLE 1
+#define PR_ENDIAN_PPC_LITTLE 2
+#define PR_GET_SECCOMP 21
+#define PR_SET_SECCOMP 22
+#define PR_CAPBSET_READ 23
+#define PR_CAPBSET_DROP 24
+#define PR_GET_TSC 25
+#define PR_SET_TSC 26
+#define PR_TSC_ENABLE 1
+#define PR_TSC_SIGSEGV 2
+#define PR_GET_SECUREBITS 27
+#define PR_SET_SECUREBITS 28
+#define PR_SET_TIMERSLACK 29
+#define PR_GET_TIMERSLACK 30
+
+#define PR_TASK_PERF_EVENTS_DISABLE 31
+#define PR_TASK_PERF_EVENTS_ENABLE 32
+
+#define PR_MCE_KILL 33
+#define PR_MCE_KILL_CLEAR 0
+#define PR_MCE_KILL_SET 1
+#define PR_MCE_KILL_LATE 0
+#define PR_MCE_KILL_EARLY 1
+#define PR_MCE_KILL_DEFAULT 2
+#define PR_MCE_KILL_GET 34
+
+#define PR_SET_MM 35
+#define PR_SET_MM_START_CODE 1
+#define PR_SET_MM_END_CODE 2
+#define PR_SET_MM_START_DATA 3
+#define PR_SET_MM_END_DATA 4
+#define PR_SET_MM_START_STACK 5
+#define PR_SET_MM_START_BRK 6
+#define PR_SET_MM_BRK 7
+#define PR_SET_MM_ARG_START 8
+#define PR_SET_MM_ARG_END 9
+#define PR_SET_MM_ENV_START 10
+#define PR_SET_MM_ENV_END 11
+#define PR_SET_MM_AUXV 12
+#define PR_SET_MM_EXE_FILE 13
+#define PR_SET_MM_MAP 14
+#define PR_SET_MM_MAP_SIZE 15
+
+#define PR_SET_PTRACER 0x59616d61
+#define PR_SET_PTRACER_ANY (-1UL)
+
+#define PR_SET_CHILD_SUBREAPER 36
+#define PR_GET_CHILD_SUBREAPER 37
+
+#define PR_SET_NO_NEW_PRIVS 38
+#define PR_GET_NO_NEW_PRIVS 39
+
+#define PR_GET_TID_ADDRESS 40
+
+#define PR_SET_THP_DISABLE 41
+#define PR_GET_THP_DISABLE 42
+
+#define PR_MPX_ENABLE_MANAGEMENT 43
+#define PR_MPX_DISABLE_MANAGEMENT 44
+
+#define PR_SET_FP_MODE 45
+#define PR_GET_FP_MODE 46
+#define PR_FP_MODE_FR (1 << 0)
+#define PR_FP_MODE_FRE (1 << 1)
+
+#define PR_CAP_AMBIENT 47
+#define PR_CAP_AMBIENT_IS_SET 1
+#define PR_CAP_AMBIENT_RAISE 2
+#define PR_CAP_AMBIENT_LOWER 3
+#define PR_CAP_AMBIENT_CLEAR_ALL 4
+
+#ifndef __MLIBC_ABI_ONLY
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int prctl (int, ...);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#endif // _SYS_PRCTL_H
+
diff --git a/lib/mlibc/options/linux/include/sys/ptrace.h b/lib/mlibc/options/linux/include/sys/ptrace.h
new file mode 100644
index 0000000..e98d38a
--- /dev/null
+++ b/lib/mlibc/options/linux/include/sys/ptrace.h
@@ -0,0 +1,55 @@
+
+#ifndef _SYS_PTRACE_H
+#define _SYS_PTRACE_H
+
+#include <abi-bits/ptrace.h>
+#include <stdint.h>
+
+#define PTRACE_TRACEME 0
+#define PT_TRACE_ME PTRACE_TRACEME
+
+#define PT_READ_I PTRACE_PEEKTEXT
+#define PT_READ_D PTRACE_PEEKDATA
+#define PT_READ_U PTRACE_PEEKUSER
+#define PT_WRITE_I PTRACE_POKETEXT
+#define PT_WRITE_D PTRACE_POKEDATA
+#define PT_WRITE_U PTRACE_POKEUSER
+#define PT_CONTINUE PTRACE_CONT
+#define PT_KILL PTRACE_KILL
+#define PT_STEP PTRACE_SINGLESTEP
+#define PT_GETREGS PTRACE_GETREGS
+#define PT_SETREGS PTRACE_SETREGS
+#define PT_GETFPREGS PTRACE_GETFPREGS
+#define PT_SETFPREGS PTRACE_SETFPREGS
+#define PT_ATTACH PTRACE_ATTACH
+#define PT_DETACH PTRACE_DETACH
+#define PT_GETFPXREGS PTRACE_GETFPXREGS
+#define PT_SETFPXREGS PTRACE_SETFPXREGS
+#define PT_SYSCALL PTRACE_SYSCALL
+#define PT_SETOPTIONS PTRACE_SETOPTIONS
+#define PT_GETEVENTMSG PTRACE_GETEVENTMSG
+#define PT_GETSIGINFO PTRACE_GETSIGINFO
+#define PT_SETSIGINFO PTRACE_SETSIGINFO
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct ptrace_peeksiginfo_args {
+	uint64_t offset;
+	uint32_t flags;
+	int32_t nr;
+};
+
+#ifndef __MLIBC_ABI_ONLY
+
+long ptrace(int, ...);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _SYS_PTRACE_H
+
diff --git a/lib/mlibc/options/linux/include/sys/quota.h b/lib/mlibc/options/linux/include/sys/quota.h
new file mode 100644
index 0000000..f668d9b
--- /dev/null
+++ b/lib/mlibc/options/linux/include/sys/quota.h
@@ -0,0 +1,24 @@
+#ifndef	_SYS_QUOTA_H
+#define	_SYS_QUOTA_H
+
+#include <sys/types.h>
+
+#define SUBCMDMASK 0x00ff
+#define SUBCMDSHIFT 8
+#define QCMD(cmd, type) (((cmd) << SUBCMDSHIFT) | ((type) & SUBCMDMASK))
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef __MLIBC_ABI_ONLY
+
+int quotactl(int cmd, const char *special, int id, caddr_t addr);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _SYS_QUOTA_H
diff --git a/lib/mlibc/options/linux/include/sys/random.h b/lib/mlibc/options/linux/include/sys/random.h
new file mode 100644
index 0000000..0b24b74
--- /dev/null
+++ b/lib/mlibc/options/linux/include/sys/random.h
@@ -0,0 +1,26 @@
+
+#ifndef _SYS_RANDOM_H
+#define _SYS_RANDOM_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define GRND_RANDOM 1
+#define GRND_NONBLOCK 2
+
+#include <bits/ssize_t.h>
+#include <bits/size_t.h>
+
+#ifndef __MLIBC_ABI_ONLY
+
+ssize_t getrandom(void *, size_t, unsigned int);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif //_SYS_RANDOM_H
+
diff --git a/lib/mlibc/options/linux/include/sys/reboot.h b/lib/mlibc/options/linux/include/sys/reboot.h
new file mode 100644
index 0000000..6c4e495
--- /dev/null
+++ b/lib/mlibc/options/linux/include/sys/reboot.h
@@ -0,0 +1,20 @@
+#ifndef MLIBC_SYS_REBOOT_H
+#define MLIBC_SYS_REBOOT_H
+
+#include <abi-bits/reboot.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef __MLIBC_ABI_ONLY
+
+int reboot(int arg);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // MLIBC_SYS_REBOOT_H
diff --git a/lib/mlibc/options/linux/include/sys/sendfile.h b/lib/mlibc/options/linux/include/sys/sendfile.h
new file mode 100644
index 0000000..32b17ce
--- /dev/null
+++ b/lib/mlibc/options/linux/include/sys/sendfile.h
@@ -0,0 +1,22 @@
+
+#ifndef _SYS_SENDFILE_H_
+#define _SYS_SENDFILE_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <unistd.h>
+
+#ifndef __MLIBC_ABI_ONLY
+
+ssize_t sendfile(int, int, off_t *, size_t);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _SYS_SENDFILE_H_
+
diff --git a/lib/mlibc/options/linux/include/sys/signalfd.h b/lib/mlibc/options/linux/include/sys/signalfd.h
new file mode 100644
index 0000000..adf7c1b
--- /dev/null
+++ b/lib/mlibc/options/linux/include/sys/signalfd.h
@@ -0,0 +1,48 @@
+#ifndef _SYS_SIGNALFD_H
+#define _SYS_SIGNALFD_H
+
+// TODO: Define sigset separately and remove this include.
+#include <signal.h>
+// musl includes those. Restructure this so we do not need them?
+#include <stdint.h>
+#include <fcntl.h>
+
+#define SFD_CLOEXEC O_CLOEXEC
+#define SFD_NONBLOCK O_NONBLOCK
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct signalfd_siginfo {
+	uint32_t  ssi_signo;
+	int32_t   ssi_errno;
+	int32_t   ssi_code;
+	uint32_t  ssi_pid;
+	uint32_t  ssi_uid;
+	int32_t   ssi_fd;
+	uint32_t  ssi_tid;
+	uint32_t  ssi_band;
+	uint32_t  ssi_overrun;
+	uint32_t  ssi_trapno;
+	int32_t   ssi_status;
+	int32_t   ssi_int;
+	uint64_t  ssi_ptr;
+	uint64_t  ssi_utime;
+	uint64_t  ssi_stime;
+	uint64_t  ssi_addr;
+	uint16_t  ssi_addr_lsb;
+	uint8_t   pad[128-12*4-4*8-2];
+};
+
+#ifndef __MLIBC_ABI_ONLY
+
+int signalfd(int, const sigset_t *, int);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _SYS_SIGNALFD_H
diff --git a/lib/mlibc/options/linux/include/sys/statfs.h b/lib/mlibc/options/linux/include/sys/statfs.h
new file mode 100644
index 0000000..07ae693
--- /dev/null
+++ b/lib/mlibc/options/linux/include/sys/statfs.h
@@ -0,0 +1,22 @@
+#ifndef _SYS_STATFS_H
+#define _SYS_STATFS_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <abi-bits/statfs.h>
+
+#ifndef __MLIBC_ABI_ONLY
+
+int statfs(const char *, struct statfs *);
+int fstatfs(int, struct statfs *);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _SYS_STATFS_H
+
diff --git a/lib/mlibc/options/linux/include/sys/swap.h b/lib/mlibc/options/linux/include/sys/swap.h
new file mode 100644
index 0000000..79e89c6
--- /dev/null
+++ b/lib/mlibc/options/linux/include/sys/swap.h
@@ -0,0 +1,24 @@
+#ifndef _SYS_SWAP_H
+#define _SYS_SWAP_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define SWAP_FLAG_PREFER 0x8000
+#define SWAP_FLAG_PRIO_MASK 0x7fff
+#define SWAP_FLAG_PRIO_SHIFT 0
+#define SWAP_FLAG_DISCARD 0x10000
+
+#ifndef __MLIBC_ABI_ONLY
+
+int swapon(const char *, int);
+int swapoff(const char *);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SYS_SWAP_H */
diff --git a/lib/mlibc/options/linux/include/sys/sysinfo.h b/lib/mlibc/options/linux/include/sys/sysinfo.h
new file mode 100644
index 0000000..917f861
--- /dev/null
+++ b/lib/mlibc/options/linux/include/sys/sysinfo.h
@@ -0,0 +1,34 @@
+#ifndef _SYS_SYSINFO_H
+#define _SYS_SYSINFO_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct sysinfo {
+	long uptime;
+	unsigned long loads[3];
+	unsigned long totalram;
+	unsigned long freeram;
+	unsigned long sharedram;
+	unsigned long bufferram;
+	unsigned long totalswap;
+	unsigned long freeswap;
+	unsigned short procs;
+	unsigned long totalhigh;
+	unsigned long freehigh;
+	unsigned int mem_unit;
+	char _f[20 - 2 * sizeof(long) - sizeof(int)]; // Padding to 64 bytes according to my man page
+};
+
+#ifndef __MLIBC_ABI_ONLY
+
+int sysinfo(struct sysinfo *);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _SYS_SYSINFO_H
diff --git a/lib/mlibc/options/linux/include/sys/sysmacros.h b/lib/mlibc/options/linux/include/sys/sysmacros.h
new file mode 100644
index 0000000..230858b
--- /dev/null
+++ b/lib/mlibc/options/linux/include/sys/sysmacros.h
@@ -0,0 +1,35 @@
+#ifndef _SYS_SYSMACROS_H
+#define _SYS_SYSMACROS_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <bits/inline-definition.h>
+
+__MLIBC_INLINE_DEFINITION unsigned int __mlibc_dev_major(
+		unsigned long long int __dev) {
+  return ((__dev >> 8) & 0xfff) | ((unsigned int)(__dev >> 32) & ~0xfff);
+}
+
+__MLIBC_INLINE_DEFINITION unsigned int __mlibc_dev_minor(
+		unsigned long long int __dev) {
+  return (__dev & 0xff) | ((unsigned int)(__dev >> 12) & ~0xff);
+}
+
+__MLIBC_INLINE_DEFINITION unsigned long long int __mlibc_dev_makedev(
+		unsigned int __major, unsigned int __minor) {
+  return ((__minor & 0xff) | ((__major & 0xfff) << 8)
+	  | (((unsigned long long int)(__minor & ~0xff)) << 12)
+	  | (((unsigned long long int)(__major & ~0xfff)) << 32));
+}
+
+#define major(dev) __mlibc_dev_major(dev)
+#define minor(dev) __mlibc_dev_minor(dev)
+#define makedev(major, minor) __mlibc_dev_makedev(major, minor)
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _SYS_SYSMACROS_H
diff --git a/lib/mlibc/options/linux/include/sys/timerfd.h b/lib/mlibc/options/linux/include/sys/timerfd.h
new file mode 100644
index 0000000..b8a2932
--- /dev/null
+++ b/lib/mlibc/options/linux/include/sys/timerfd.h
@@ -0,0 +1,32 @@
+#ifndef _SYS_TIMERFD_H
+#define _SYS_TIMERFD_H
+
+// musl includes those. Refactor and remove them?
+#include <time.h>
+#include <fcntl.h>
+
+#define TFD_NONBLOCK O_NONBLOCK
+#define TFD_CLOEXEC O_CLOEXEC
+
+#define TFD_TIMER_ABSTIME 1
+#define TFD_TIMER_CANCEL_ON_SET (1 << 1)
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct itimerspec;
+
+#ifndef __MLIBC_ABI_ONLY
+
+int timerfd_create(int, int);
+int timerfd_settime(int, int, const struct itimerspec *, struct itimerspec *);
+int timerfd_gettime(int, struct itimerspec *);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _SYS_TIMERFD_H
diff --git a/lib/mlibc/options/linux/include/sys/vfs.h b/lib/mlibc/options/linux/include/sys/vfs.h
new file mode 100644
index 0000000..61a6aa3
--- /dev/null
+++ b/lib/mlibc/options/linux/include/sys/vfs.h
@@ -0,0 +1,16 @@
+
+#ifndef _SYS_VFS_H
+#define _SYS_VFS_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <sys/statfs.h>
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _SYS_VFS_H
+
diff --git a/lib/mlibc/options/linux/include/sys/vt.h b/lib/mlibc/options/linux/include/sys/vt.h
new file mode 100644
index 0000000..d9dfbd9
--- /dev/null
+++ b/lib/mlibc/options/linux/include/sys/vt.h
@@ -0,0 +1,6 @@
+#ifndef _SYS_VT_H
+#define _SYS_VT_H
+
+#include <abi-bits/vt.h>
+
+#endif // _SYS_VT_H
diff --git a/lib/mlibc/options/linux/include/sys/xattr.h b/lib/mlibc/options/linux/include/sys/xattr.h
new file mode 100644
index 0000000..e54c58c
--- /dev/null
+++ b/lib/mlibc/options/linux/include/sys/xattr.h
@@ -0,0 +1,38 @@
+#ifndef _MLIBC_LINUX_SYS_XATTR_H
+#define _MLIBC_LINUX_SYS_XATTR_H
+
+#include <sys/types.h>
+#include <abi-bits/xattr.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef __MLIBC_ABI_ONLY
+
+int setxattr(const char *path, const char *name, const void *val, size_t size,
+	int flags);
+int lsetxattr(const char *path, const char *name, const void *val, size_t size,
+	int flags);
+int fsetxattr(int fd, const char *name, const void *val, size_t size,
+	int flags);
+
+ssize_t getxattr(const char *path, const char *name, void *val, size_t size);
+ssize_t lgetxattr(const char *path, const char *name, void *val, size_t size);
+ssize_t fgetxattr(int fd, const char *name, void *val, size_t size);
+
+ssize_t listxattr(const char *path, char *list, size_t size);
+ssize_t llistxattr(const char *path, char *list, size_t size);
+ssize_t flistxattr(int fd, char *list, size_t size);
+
+int removexattr(const char *path, const char *name);
+int lremovexattr(const char *path, const char *name);
+int fremovexattr(int fd, const char *name);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _MLIBC_LINUX_SYS_XATTR_H */