Implement POSIX pthread, signal, sys/resource, unistd for Linux.

core/sys/posix/pthread.odin

@@ -513,6 +513,45 @@ when ODIN_OS == .Darwin {
 		sched_priority: c.int,     /* [PSX] process or thread execution scheduling priority */
 	}
 
+} else when ODIN_OS == .Linux {
+
+	PTHREAD_CANCEL_DEFERRED     :: 0
+	PTHREAD_CANCEL_ASYNCHRONOUS :: 1
+
+	PTHREAD_CANCEL_ENABLE       :: 0
+	PTHREAD_CANCEL_DISABLE      :: 1
+
+	PTHREAD_CANCELED :: rawptr(uintptr(-1))
+
+	PTHREAD_CREATE_JOINABLE :: 0
+	PTHREAD_CREATE_DETACHED :: 1
+
+	PTHREAD_INHERIT_SCHED  :: 0
+	PTHREAD_EXPLICIT_SCHED :: 1
+
+	PTHREAD_PRIO_NONE    :: 0
+	PTHREAD_PRIO_INHERIT :: 1
+	PTHREAD_PRIO_PROTECT :: 2
+
+	PTHREAD_PROCESS_PRIVATE :: 0
+	PTHREAD_PROCESS_SHARED  :: 1
+
+	PTHREAD_SCOPE_SYSTEM    :: 0
+	PTHREAD_SCOPE_PROCESS   :: 1
+
+	pthread_t :: distinct c.ulong
+
+	pthread_attr_t :: struct #raw_union {
+		__size: [56]c.char,
+		__align: c.long,
+	}
+
+	pthread_key_t :: distinct c.uint
+
+	sched_param :: struct {
+		sched_priority: c.int,     /* [PSX] process or thread execution scheduling priority */
+	}
+
 } else {
 	#panic("posix is unimplemented for the current target")
 }

core/sys/posix/signal.odin

@@ -220,6 +220,16 @@ foreign lib {
 	           const struct timespec *restrict);
 	int    sigwaitinfo(const sigset_t *restrict, siginfo_t *restrict);
 	*/
+
+	when ODIN_OS == .Linux {
+		/* Return number of available real-time signal with highest priority.  */
+		@(private)
+		__libc_current_sigrtmin :: proc() -> result ---
+
+		/* Return number of available real-time signal with lowest priority.  */
+		@(private)
+		__libc_current_sigrtmax :: proc() -> result ---
+	}
 }
 
 sigval :: struct #raw_union {
@@ -480,7 +490,7 @@ when ODIN_OS == .Darwin {
 	uid_t :: distinct c.uint32_t
 	sigset_t :: distinct c.uint32_t
 
-	// MOTE: unimplemented on darwin.
+	// NOTE: unimplemented on darwin.
 	//
 	// SIGRTMIN :: 
 	// SIGRTMAX ::
@@ -625,7 +635,7 @@ when ODIN_OS == .Darwin {
 		__bits: [4]c.uint32_t,
 	}
 
-	// MOTE: unimplemented on darwin.
+	// NOTE: unimplemented on FreeBSD.
 	//
 	// SIGRTMIN :: 65
 	// SIGRTMAX :: 126
@@ -794,7 +804,7 @@ when ODIN_OS == .Darwin {
 		__bits: [4]c.uint32_t,
 	}
 
-	// MOTE: unimplemented on darwin.
+	// NOTE: unimplemented on NetBSD.
 	//
 	// SIGRTMIN :: 33
 	// SIGRTMAX :: 63
@@ -1126,6 +1136,141 @@ when ODIN_OS == .Darwin {
 	SI_ASYNCIO :: -4 // NOTE: not implemented
 	SI_MESGQ   :: -5 // NOTE: not implemented
 
+} else when ODIN_OS == .Linux {
+
+	// Request that signal be held
+	SIG_HOLD :: rawptr(uintptr(2))
+
+	uid_t :: distinct c.uint32_t
+	sigset_t :: struct {
+		[1024/(8 * size_of(c.ulong))]val
+	}
+
+	SIGRTMIN :: __libc_current_sigrtmin()
+	SIGRTMAX :: __libc_current_sigrtmax()
+
+	SIGHUP    :: 1
+	SIGQUIT   :: 3
+	SIGTRAP   :: 5
+	SIGBUS    :: 7
+	SIGKILL   :: 9
+	SIGUSR1   :: 10
+	SIGUSR2   :: 12
+	SIGPIPE   :: 13
+	SIGALRM   :: 14
+	SIGCHLD   :: 17
+	SIGCONT   :: 18
+	SIGSTOP   :: 19
+	SIGTSTP   :: 20
+	SIGTTIN   :: 21
+	SIGTTOU   :: 22
+	SIGURG    :: 23
+	SIGXCPU   :: 24
+	SIGXFSZ   :: 25
+	SIGVTALRM :: 26
+	SIGPROF   :: 27
+	SIGPOLL   :: 29
+	SIGSYS    :: 31
+
+	sigaction :: struct {
+		sa_handler:   proc "c" (Signal),
+		sa_flags: SA_Flags,
+		sa_mask: sigset_t,
+	}
+
+	SIG_BLOCK   :: 0
+	SIG_UNBLOCK :: 1
+	SIG_SETMASK :: 2
+
+	SA_NOCLDSTOP :: 1
+	SA_NOCLDWAIT :: 2
+	SA_SIGINFO   :: 4
+	SA_ONSTACK   :: 0x08000000
+	SA_RESTART   :: 0x10000000
+	SA_NODEFER   :: 0x40000000
+	SA_RESETHAND :: 0x80000000
+
+	SS_ONSTACK :: 1
+	SS_DISABLE :: 2
+
+	MINSIGSTKSZ :: 2048
+	SIGSTKSZ    :: 8192
+
+	stack_t :: struct {
+		ss_sp:    rawptr,   /* [PSX] stack base or pointer */
+		ss_flags: SS_Flags, /* [PSX] flags */
+		ss_size:  c.size_t, /* [PSX] stack size */
+	}
+
+	// WARNING: This implementaion might be completely wrong and need to be reviewed and corrected.
+	siginfo_t :: struct {
+		si_signo:  Signal, /* [PSX] signal number */
+		si_code: struct #raw_union { /* [PSX] specific more detailed codes per signal */
+			ill:  ILL_Code,
+			fpe:  FPE_Code,
+			segv: SEGV_Code,
+			bus:  BUS_Code,
+			trap: TRAP_Code,
+			chld: CLD_Code,
+			poll: POLL_Code,
+			any:  Any_Code,
+		},
+		si_errno:  Errno,  /* [PSX] errno value associated with this signal */
+		si_pid:    pid_t,      /* [PSX] sending process ID */
+		si_uid:    uid_t,      /* [PSX] real user ID of sending process */
+		si_addr:   rawptr,     /* [PSX] address of faulting instruction */
+		si_status: c.int,      /* [PSX] exit value or signal */
+		si_band:   c.long,     /* [PSX] band event for SIGPOLL */
+		si_value:  sigval,     /* [PSX] signal value */
+	}
+
+	ILL_ILLOPC :: 1
+	ILL_ILLOPN :: 2
+	ILL_ILLADR :: 3
+	ILL_ILLTRP :: 4
+	ILL_PRVOPC :: 5
+	ILL_PRVREG :: 6
+	ILL_COPROC :: 7
+	ILL_BADSTK :: 8
+
+	FPE_INTDIV :: 1
+	FPE_INTOVF :: 2
+	FPE_FLTDIV :: 3
+	FPE_FLTOVF :: 4
+	FPE_FLTUND :: 5
+	FPE_FLTRES :: 6
+	FPE_FLTINV :: 7
+	FPE_FLTSUB :: 8
+
+	SEGV_MAPERR :: 1
+	SEGV_ACCERR :: 2
+
+	BUS_ADRALN :: 1
+	BUS_ADRERR :: 2
+	BUS_OBJERR :: 3
+
+	TRAP_BRKPT :: 1
+	TRAP_TRACE :: 2
+
+	CLD_EXITED    :: 1
+	CLD_KILLED    :: 2
+	CLD_DUMPED    :: 3
+	CLD_TRAPPED   :: 4
+	CLD_STOPPED   :: 5
+	CLD_CONTINUED :: 6
+
+	POLL_IN  :: 1
+	POLL_OUT :: 2
+	POLL_MSG :: 3
+	POLL_ERR :: 4
+	POLL_PRI :: 5
+	POLL_HUP :: 6
+
+	SI_USER    :: 0
+	SI_QUEUE   :: -1
+	SI_TIMER   :: -2
+	SI_MESGQ   :: -3
+	SI_ASYNCIO :: -4
 } else {
 	#panic("posix is unimplemented for the current target")
 }

core/sys/posix/sys_resource.odin

@@ -95,7 +95,7 @@ when ODIN_OS == .NetBSD {
 	@(private) LGETRUSAGE :: "getrusage"
 }
 
-when ODIN_OS == .Darwin || ODIN_OS == .FreeBSD || ODIN_OS == .NetBSD || ODIN_OS == .OpenBSD {
+when ODIN_OS == .Darwin || ODIN_OS == .FreeBSD || ODIN_OS == .NetBSD || ODIN_OS == .OpenBSD || ODIN_OS == .Linux {
 
 	PRIO_PROCESS :: 0
 	PRIO_PGRP    :: 1
@@ -103,7 +103,7 @@ when ODIN_OS == .Darwin || ODIN_OS == .FreeBSD || ODIN_OS == .NetBSD || ODIN_OS
 
 	rlim_t :: distinct c.uint64_t
 
-	RLIM_INFINITY  :: (rlim_t(1) << 63) - 1
+	RLIM_INFINITY  :: max(rlim_t) - 1 when ODIN_OS == .Linux else (rlim_t(1) << 63) - 1
 	RLIM_SAVED_MAX :: RLIM_INFINITY
 	RLIM_SAVED_CUR :: RLIM_INFINITY
 
@@ -143,9 +143,13 @@ when ODIN_OS == .Darwin || ODIN_OS == .FreeBSD || ODIN_OS == .NetBSD || ODIN_OS
 	RLIMIT_CPU    :: 0
 	RLIMIT_DATA   :: 2
 	RLIMIT_FSIZE  :: 1
-	RLIMIT_NOFILE :: 8
+	RLIMIT_NOFILE :: 7 when ODIN_OS == .Linux else 8
 	RLIMIT_STACK  :: 3
-	RLIMIT_AS     :: 5 when ODIN_OS == .Darwin || ODIN_OS == .OpenBSD else 10
+	when ODIN_OS == .Linux {
+		RLIMIT_AS :: 9
+	} else {
+		RLIMIT_AS :: 5 when ODIN_OS == .Darwin || ODIN_OS == .OpenBSD else 10
+	}
 
 } else {
 	#panic("posix is unimplemented for the current target")

core/sys/posix/unistd.odin

@@ -1181,20 +1181,20 @@ when ODIN_OS == .Darwin {
 	F_TLOCK :: 2
 	F_ULOCK :: 0
 
-	_CS_PATH                            :: 1
-	_CS_POSIX_V6_ILP32_OFF32_CFLAGS		:: 2
-	_CS_POSIX_V6_ILP32_OFF32_LDFLAGS	:: 3
-	_CS_POSIX_V6_ILP32_OFF32_LIBS		:: 4
-	_CS_POSIX_V6_ILP32_OFFBIG_CFLAGS	:: 5
-	_CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS	:: 6
-	_CS_POSIX_V6_ILP32_OFFBIG_LIBS		:: 7
-	_CS_POSIX_V6_LP64_OFF64_CFLAGS		:: 8
-	_CS_POSIX_V6_LP64_OFF64_LDFLAGS		:: 9
-	_CS_POSIX_V6_LP64_OFF64_LIBS		:: 10
-	_CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS	:: 11
-	_CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS	:: 12
-	_CS_POSIX_V6_LPBIG_OFFBIG_LIBS		:: 13
-	_CS_POSIX_V6_WIDTH_RESTRICTED_ENVS	:: 14
+	_CS_PATH                           :: 1
+	_CS_POSIX_V6_ILP32_OFF32_CFLAGS    :: 2
+	_CS_POSIX_V6_ILP32_OFF32_LDFLAGS   :: 3
+	_CS_POSIX_V6_ILP32_OFF32_LIBS      :: 4
+	_CS_POSIX_V6_ILP32_OFFBIG_CFLAGS   :: 5
+	_CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS  :: 6
+	_CS_POSIX_V6_ILP32_OFFBIG_LIBS     :: 7
+	_CS_POSIX_V6_LP64_OFF64_CFLAGS     :: 8
+	_CS_POSIX_V6_LP64_OFF64_LDFLAGS    :: 9
+	_CS_POSIX_V6_LP64_OFF64_LIBS       :: 10
+	_CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS   :: 11
+	_CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS  :: 12
+	_CS_POSIX_V6_LPBIG_OFFBIG_LIBS     :: 13
+	_CS_POSIX_V6_WIDTH_RESTRICTED_ENVS :: 14
 
 	_PC_LINK_MAX           :: 1
 	_PC_MAX_CANON          :: 2
@@ -1362,20 +1362,20 @@ when ODIN_OS == .Darwin {
 	F_TLOCK :: 2
 	F_ULOCK :: 0
 
-	_CS_PATH                            :: 1
-	_CS_POSIX_V6_ILP32_OFF32_CFLAGS		:: 2
-	_CS_POSIX_V6_ILP32_OFF32_LDFLAGS	:: 3
-	_CS_POSIX_V6_ILP32_OFF32_LIBS		:: 4
-	_CS_POSIX_V6_ILP32_OFFBIG_CFLAGS	:: 5
-	_CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS	:: 6
-	_CS_POSIX_V6_ILP32_OFFBIG_LIBS		:: 7
-	_CS_POSIX_V6_LP64_OFF64_CFLAGS		:: 8
-	_CS_POSIX_V6_LP64_OFF64_LDFLAGS		:: 9
-	_CS_POSIX_V6_LP64_OFF64_LIBS		:: 10
-	_CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS	:: 11
-	_CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS	:: 12
-	_CS_POSIX_V6_LPBIG_OFFBIG_LIBS		:: 13
-	_CS_POSIX_V6_WIDTH_RESTRICTED_ENVS	:: 14
+	_CS_PATH                           :: 1
+	_CS_POSIX_V6_ILP32_OFF32_CFLAGS    :: 2
+	_CS_POSIX_V6_ILP32_OFF32_LDFLAGS   :: 3
+	_CS_POSIX_V6_ILP32_OFF32_LIBS      :: 4
+	_CS_POSIX_V6_ILP32_OFFBIG_CFLAGS   :: 5
+	_CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS  :: 6
+	_CS_POSIX_V6_ILP32_OFFBIG_LIBS     :: 7
+	_CS_POSIX_V6_LP64_OFF64_CFLAGS     :: 8
+	_CS_POSIX_V6_LP64_OFF64_LDFLAGS    :: 9
+	_CS_POSIX_V6_LP64_OFF64_LIBS       :: 10
+	_CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS   :: 11
+	_CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS  :: 12
+	_CS_POSIX_V6_LPBIG_OFFBIG_LIBS     :: 13
+	_CS_POSIX_V6_WIDTH_RESTRICTED_ENVS :: 14
 
 	_PC_LINK_MAX           :: 1
 	_PC_MAX_CANON          :: 2
@@ -1543,20 +1543,20 @@ when ODIN_OS == .Darwin {
 	F_TLOCK :: 2
 	F_ULOCK :: 0
 
-	_CS_PATH                            :: 1
-	_CS_POSIX_V6_ILP32_OFF32_CFLAGS		:: 2
-	_CS_POSIX_V6_ILP32_OFF32_LDFLAGS	:: 3
-	_CS_POSIX_V6_ILP32_OFF32_LIBS		:: 4
-	_CS_POSIX_V6_ILP32_OFFBIG_CFLAGS	:: 5
-	_CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS	:: 6
-	_CS_POSIX_V6_ILP32_OFFBIG_LIBS		:: 7
-	_CS_POSIX_V6_LP64_OFF64_CFLAGS		:: 8
-	_CS_POSIX_V6_LP64_OFF64_LDFLAGS		:: 9
-	_CS_POSIX_V6_LP64_OFF64_LIBS		:: 10
-	_CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS	:: 11
-	_CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS	:: 12
-	_CS_POSIX_V6_LPBIG_OFFBIG_LIBS		:: 13
-	_CS_POSIX_V6_WIDTH_RESTRICTED_ENVS	:: 14
+	_CS_PATH                           :: 1
+	_CS_POSIX_V6_ILP32_OFF32_CFLAGS    :: 2
+	_CS_POSIX_V6_ILP32_OFF32_LDFLAGS   :: 3
+	_CS_POSIX_V6_ILP32_OFF32_LIBS      :: 4
+	_CS_POSIX_V6_ILP32_OFFBIG_CFLAGS   :: 5
+	_CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS  :: 6
+	_CS_POSIX_V6_ILP32_OFFBIG_LIBS     :: 7
+	_CS_POSIX_V6_LP64_OFF64_CFLAGS     :: 8
+	_CS_POSIX_V6_LP64_OFF64_LDFLAGS    :: 9
+	_CS_POSIX_V6_LP64_OFF64_LIBS       :: 10
+	_CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS   :: 11
+	_CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS  :: 12
+	_CS_POSIX_V6_LPBIG_OFFBIG_LIBS     :: 13
+	_CS_POSIX_V6_WIDTH_RESTRICTED_ENVS :: 14
 
 	_PC_LINK_MAX           :: 1
 	_PC_MAX_CANON          :: 2
@@ -1655,7 +1655,6 @@ when ODIN_OS == .Darwin {
 	_SC_TTY_NAME_MAX                 :: 68
 	_SC_HOST_NAME_MAX                :: 69
 
-	_SC_PASS_MAX                     :: 70
 	_SC_REGEXP                       :: 71
 	_SC_SHELL                        :: 72
 	_SC_SYMLOOP_MAX                  :: 73
@@ -1729,20 +1728,20 @@ when ODIN_OS == .Darwin {
 	F_TLOCK :: 2
 	F_ULOCK :: 0
 
-	_CS_PATH                            :: 1
-	_CS_POSIX_V6_ILP32_OFF32_CFLAGS		:: 2
-	_CS_POSIX_V6_ILP32_OFF32_LDFLAGS	:: 3
-	_CS_POSIX_V6_ILP32_OFF32_LIBS		:: 4
-	_CS_POSIX_V6_ILP32_OFFBIG_CFLAGS	:: 5
-	_CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS	:: 6
-	_CS_POSIX_V6_ILP32_OFFBIG_LIBS		:: 7
-	_CS_POSIX_V6_LP64_OFF64_CFLAGS		:: 8
-	_CS_POSIX_V6_LP64_OFF64_LDFLAGS		:: 9
-	_CS_POSIX_V6_LP64_OFF64_LIBS		:: 10
-	_CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS	:: 11
-	_CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS	:: 12
-	_CS_POSIX_V6_LPBIG_OFFBIG_LIBS		:: 13
-	_CS_POSIX_V6_WIDTH_RESTRICTED_ENVS	:: 14
+	_CS_PATH                           :: 1
+	_CS_POSIX_V6_ILP32_OFF32_CFLAGS    :: 2
+	_CS_POSIX_V6_ILP32_OFF32_LDFLAGS   :: 3
+	_CS_POSIX_V6_ILP32_OFF32_LIBS      :: 4
+	_CS_POSIX_V6_ILP32_OFFBIG_CFLAGS   :: 5
+	_CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS  :: 6
+	_CS_POSIX_V6_ILP32_OFFBIG_LIBS     :: 7
+	_CS_POSIX_V6_LP64_OFF64_CFLAGS     :: 8
+	_CS_POSIX_V6_LP64_OFF64_LDFLAGS    :: 9
+	_CS_POSIX_V6_LP64_OFF64_LIBS       :: 10
+	_CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS   :: 11
+	_CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS  :: 12
+	_CS_POSIX_V6_LPBIG_OFFBIG_LIBS     :: 13
+	_CS_POSIX_V6_WIDTH_RESTRICTED_ENVS :: 14
 
 	_PC_LINK_MAX           :: 1
 	_PC_MAX_CANON          :: 2
@@ -1911,6 +1910,193 @@ when ODIN_OS == .Darwin {
 
 	_POSIX_VDISABLE :: '\377'
 
+} else when ODIN_OS == .Linux {
+
+	_F_OK :: 0
+	X_OK :: 1
+	W_OK :: 2
+	R_OK :: 4
+
+	F_LOCK  :: 1
+	F_TEST  :: 3
+	F_TLOCK :: 2
+	F_ULOCK :: 0
+
+	_CS_PATH                           :: 1
+	_CS_POSIX_V6_WIDTH_RESTRICTED_ENVS :: 2
+
+	_CS_POSIX_V6_ILP32_OFF32_CFLAGS   :: 1116
+	_CS_POSIX_V6_ILP32_OFF32_LDFLAGS  :: 1117
+	_CS_POSIX_V6_ILP32_OFF32_LIBS     :: 1118
+	_CS_POSIX_V6_ILP32_OFFBIG_CFLAGS  :: 1120
+	_CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS :: 1121
+	_CS_POSIX_V6_ILP32_OFFBIG_LIBS    :: 1122
+	_CS_POSIX_V6_LP64_OFF64_CFLAGS    :: 1124
+	_CS_POSIX_V6_LP64_OFF64_LDFLAGS   :: 1125
+	_CS_POSIX_V6_LP64_OFF64_LIBS      :: 1126
+	_CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS  :: 1128
+	_CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS :: 1129
+	_CS_POSIX_V6_LPBIG_OFFBIG_LIBS    :: 1130
+
+	_PC_LINK_MAX           :: 1
+	_PC_MAX_CANON          :: 2
+	_PC_MAX_INPUT          :: 3
+	_PC_NAME_MAX           :: 4
+	_PC_PATH_MAX           :: 5
+	_PC_PIPE_BUF           :: 6
+	_PC_CHOWN_RESTRICTED   :: 7
+	_PC_NO_TRUNC           :: 8
+	_PC_VDISABLE           :: 9
+	_PC_SYNC_IO            :: 10
+	_PC_ASYNC_IO           :: 11
+	_PC_PRIO_IO            :: 12
+	_PC_FILESIZEBITS       :: 14
+	_PC_REC_INCR_XFER_SIZE :: 15
+	_PC_REC_MAX_XFER_SIZE  :: 16
+	_PC_REC_MIN_XFER_SIZE  :: 17
+	_PC_REC_XFER_ALIGN     :: 18
+	_PC_ALLOC_SIZE_MIN     :: 19
+	_PC_SYMLINK_MAX        :: 20
+	_PC_2_SYMLINK          :: 21
+
+	_SC_ARG_MAX               :: 1
+	_SC_CHILD_MAX             :: 2
+	_SC_CLK_TCK               :: 3
+	_SC_NGROUPS_MAX           :: 4
+	_SC_OPEN_MAX              :: 5
+	_SC_STREAM_MAX            :: 6
+	_SC_TZNAME_MAX            :: 7
+	_SC_JOB_CONTROL           :: 8
+	_SC_SAVED_IDS             :: 9
+	_SC_REALTIME_SIGNALS      :: 10
+	_SC_PRIORITY_SCHEDULING   :: 11
+	_SC_TIMERS                :: 12
+	_SC_ASYNCHRONOUS_IO       :: 13
+	_SC_PRIORITIZED_IO        :: 14
+	_SC_SYNCHRONIZED_IO       :: 15
+	_SC_FSYNC                 :: 16
+	_SC_MAPPED_FILES          :: 17
+	_SC_MEMLOCK               :: 18
+	_SC_MEMLOCK_RANGE         :: 19
+	_SC_MEMORY_PROTECTION     :: 20
+	_SC_MESSAGE_PASSING       :: 21
+	_SC_SEMAPHORES            :: 22
+	_SC_SHARED_MEMORY_OBJECTS :: 23
+	_SC_AIO_LISTIO_MAX        :: 24
+	_SC_AIO_MAX               :: 25
+	_SC_AIO_PRIO_DELTA_MAX    :: 26
+	_SC_DELAYTIMER_MAX        :: 27
+	_SC_MQ_OPEN_MAX           :: 28
+	_SC_MQ_PRIO_MAX           :: 29
+	_SC_VERSION               :: 30
+	_SC_PAGESIZE              :: 31
+	_SC_PAGE_SIZE             :: _SC_PAGESIZE
+	_SC_RTSIG_MAX             :: 32
+	_SC_SEM_NSEMS_MAX         :: 33
+	_SC_SEM_VALUE_MAX         :: 34
+	_SC_SIGQUEUE_MAX          :: 35
+	_SC_TIMER_MAX             :: 36
+	_SC_BC_BASE_MAX           :: 37
+	_SC_BC_DIM_MAX            :: 38
+	_SC_BC_SCALE_MAX          :: 39
+	_SC_BC_STRING_MAX         :: 40
+	_SC_COLL_WEIGHTS_MAX      :: 41
+	_SC_EXPR_NEST_MAX         :: 43
+	_SC_LINE_MAX              :: 44
+	_SC_RE_DUP_MAX            :: 45
+	_SC_2_VERSION             :: 47
+	_SC_2_C_BIND              :: 48
+	_SC_2_C_DEV               :: 49
+	_SC_2_FORT_DEV            :: 50
+	_SC_2_FORT_RUN            :: 51
+	_SC_2_SW_DEV              :: 52
+	_SC_2_LOCALEDEF           :: 53
+
+	_SC_IOV_MAX                      :: 62
+	_SC_THREADS                      :: 69
+	_SC_THREAD_SAFE_FUNCTIONS        :: 70
+	_SC_GETGR_R_SIZE_MAX             :: 71
+	_SC_GETPW_R_SIZE_MAX             :: 72
+	_SC_LOGIN_NAME_MAX               :: 73
+	_SC_TTY_NAME_MAX                 :: 74
+	_SC_THREAD_DESTRUCTOR_ITERATIONS :: 75
+	_SC_THREAD_KEYS_MAX              :: 76
+	_SC_THREAD_STACK_MIN             :: 77
+	_SC_THREAD_THREADS_MAX           :: 78
+	_SC_THREAD_ATTR_STACKADDR        :: 79
+	_SC_THREAD_ATTR_STACKSIZE        :: 80
+	_SC_THREAD_PRIORITY_SCHEDULING   :: 81
+	_SC_THREAD_PRIO_INHERIT          :: 82
+	_SC_THREAD_PRIO_PROTECT          :: 83
+	_SC_THREAD_PROCESS_SHARED        :: 84
+	_SC_NPROCESSORS_CONF             :: 85
+	_SC_NPROCESSORS_ONLN             :: 86
+	_SC_PHYS_PAGES                   :: 87
+	_SC_AVPHYS_PAGES                 :: 88
+	_SC_ATEXIT_MAX                   :: 89
+	_SC_PASS_MAX                     :: 90
+	_SC_XOPEN_VERSION                :: 91
+	_SC_XOPEN_UNIX                   :: 92
+	_SC_XOPEN_CRYPT                  :: 93
+	_SC_XOPEN_ENH_I18N               :: 94
+	_SC_XOPEN_SHM                    :: 95
+	_SC_2_CHAR_TERM                  :: 96
+	_SC_2_UPE                        :: 97
+
+	_SC_XOPEN_LEGACY           :: 129
+	_SC_XOPEN_REALTIME         :: 130
+	_SC_XOPEN_REALTIME_THREADS :: 131
+	_SC_ADVISORY_INFO          :: 132
+	_SC_BARRIERS               :: 133
+	_SC_CLOCK_SELECTION        :: 137
+	_SC_CPUTIME                :: 138
+	_SC_THREAD_CPUTIME         :: 139
+	_SC_MONOTONIC_CLOCK        :: 149
+	_SC_READER_WRITER_LOCKS    :: 153
+	_SC_SPIN_LOCKS             :: 154
+	_SC_REGEXP                 :: 155
+	_SC_SHELL                  :: 157
+	_SC_SPAWN                  :: 159
+	_SC_SPORADIC_SERVER        :: 160
+	_SC_THREAD_SPORADIC_SERVER :: 161
+	_SC_TIMEOUTS               :: 164
+	_SC_TYPED_MEMORY_OBJECTS   :: 165
+	_SC_2_PBS                  :: 168
+	_SC_2_PBS_ACCOUNTING       :: 169
+	_SC_2_PBS_MESSAGE          :: 171
+	_SC_2_PBS_TRACK            :: 172
+	_SC_SYMLOOP_MAX            :: 173
+	_SC_2_PBS_CHECKPOINT       :: 174
+	_SC_V6_ILP32_OFF32         :: 175
+	_SC_V6_ILP32_OFFBIG        :: 176
+	_SC_V6_LP64_OFF64          :: 177
+	_SC_V6_LPBIG_OFFBIG        :: 178
+	_SC_HOST_NAME_MAX          :: 179
+	_SC_TRACE                  :: 180
+	_SC_TRACE_EVENT_FILTER     :: 181
+	_SC_TRACE_INHERIT          :: 182
+	_SC_TRACE_LOG              :: 183
+
+	_SC_IPV6                       :: 234
+	_SC_RAW_SOCKETS                :: 235
+	_SC_V7_ILP32_OFF32             :: 236
+	_SC_V7_ILP32_OFFBIG            :: 237
+	_SC_V7_LP64_OFF64              :: 238
+	_SC_V7_LPBIG_OFFBIG            :: 239
+	_SC_SS_REPL_MAX                :: 240
+	_SC_TRACE_EVENT_NAME_MAX       :: 241
+	_SC_TRACE_NAME_MAX             :: 242
+	_SC_TRACE_SYS_MAX              :: 243
+	_SC_TRACE_USER_EVENT_MAX       :: 244
+	_SC_XOPEN_STREAMS              :: 245
+	_SC_THREAD_ROBUST_PRIO_INHERIT :: 246
+	_SC_THREAD_ROBUST_PRIO_PROTECT :: 247
+
+	// NOTE: Not implemented.
+	_SC_XOPEN_UUCP :: 0
+	// NOTE: Not implemented.
+	_POSIX_VDISABLE :: 0
+
 } else {
 	#panic("posix is unimplemented for the current target")
 }