sys/posix: impl rest of linux, impl some of Windows

core/sys/posix/signal.odin

@@ -1,9 +1,9 @@
+#+build linux, darwin, netbsd, openbsd, freebsd
 package posix
 
 import "base:intrinsics"
 
 import "core:c"
-import "core:c/libc"
 
 when ODIN_OS == .Darwin {
 	foreign import lib "system:System.framework"
@@ -14,31 +14,6 @@ when ODIN_OS == .Darwin {
 // signal.h - signals
 
 foreign lib {
-	// LIBC:
-
-	/*
-	Set a signal handler.
-
-	func can either be:
-	- `auto_cast posix.SIG_DFL` setting the default handler for that specific signal
-	- `auto_cast posix.SIG_IGN` causing the specific signal to be ignored
-	- a custom signal handler
-
-	Returns: SIG_ERR (setting errno), the last value of func on success
-
-	[[ More; https://pubs.opengroup.org/onlinepubs/9699919799/functions/signal.html ]]
-	*/
-	signal :: proc(sig: Signal, func: proc "c" (Signal)) -> proc "c" (Signal) ---
-
-	/*
-	Raises a signal, calling its handler and then returning.
-
-	[[ More; https://pubs.opengroup.org/onlinepubs/9699919799/functions/raise.html ]]
-	*/
-	raise :: proc(sig: Signal) -> result ---
-
-	// POSIX:
-
 	/*
 	Raise a signal to the process/group specified by pid.
 
@@ -227,72 +202,6 @@ sigval :: struct #raw_union {
 	sigval_ptr: rawptr, /* [PSX] pointer signal value */
 }
 
-Signal :: enum c.int {
-	NONE,
-
-	// LIBC:
-
-	// Process abort signal.
-	SIGABRT   = SIGABRT,
-	// Erronous arithemtic operation.
-	SIGFPE    = SIGFPE,
-	// Illegal instruction.
-	SIGILL    = SIGILL,
-	// Terminal interrupt signal.
-	SIGINT    = SIGINT,
-	// Invalid memory reference.
-	SIGSEGV   = SIGSEGV,
-	// Termination signal.
-	SIGTERM   = SIGTERM,
-
-	// POSIX:
-
-	// Process abort signal.
-	SIGALRM   = SIGALRM,
-	// Access to an undefined portion of a memory object.
-	SIGBUS    = SIGBUS,
-	// Child process terminated, stopped, or continued.
-	SIGCHLD   = SIGCHLD,
-	// Continue execution, if stopped.
-	SIGCONT   = SIGCONT,
-	// Hangup.
-	SIGHUP    = SIGHUP,
-	// Kill (cannot be caught or ignored).
-	SIGKILL   = SIGKILL,
-	// Write on a pipe with no one to read it.
-	SIGPIPE   = SIGPIPE,
-	// Terminal quit signal.
-	SIGQUIT   = SIGQUIT,
-	// Stop executing (cannot be caught or ignored).
-	SIGSTOP   = SIGSTOP,
-	// Terminal stop process.
-	SIGTSTP   = SIGTSTP,
-	// Background process attempting read.
-	SIGTTIN   = SIGTTIN,
-	// Background process attempting write.
-	SIGTTOU   = SIGTTOU,
-	// User-defined signal 1.
-	SIGUSR1   = SIGUSR1,
-	// User-defined signal 2.
-	SIGUSR2   = SIGUSR2,
-	// Pollable event.
-	SIGPOLL   = SIGPOLL,
-	// Profiling timer expired.
-	SIGPROF   = SIGPROF,
-	// Bad system call.
-	SIGSYS    = SIGSYS,
-	// Trace/breakpoint trap.
-	SIGTRAP   = SIGTRAP,
-	// High bandwidth data is available at a socket.
-	SIGURG    = SIGURG,
-	// Virtual timer expired.
-	SIGVTALRM = SIGVTALRM,
-	// CPU time limit exceeded.
-	SIGXCPU   = SIGXCPU,
-	// File size limit exceeded.
-	SIGXFSZ   = SIGXFSZ,
-}
-
 ILL_Code :: enum c.int {
 	// Illegal opcode.
 	ILLOPC = ILL_ILLOPC,
@@ -434,20 +343,6 @@ Sig :: enum c.int {
 	SETMASK = SIG_SETMASK,
 }
 
-// Request for default signal handling.
-SIG_DFL :: libc.SIG_DFL
-// Return value from signal() in case of error.
-SIG_ERR :: libc.SIG_ERR
-// Request that signal be ignored.
-SIG_IGN :: libc.SIG_IGN
-
-SIGABRT :: libc.SIGABRT
-SIGFPE  :: libc.SIGFPE
-SIGILL  :: libc.SIGILL
-SIGINT  :: libc.SIGINT
-SIGSEGV :: libc.SIGSEGV
-SIGTERM :: libc.SIGTERM
-
 when ODIN_OS == .NetBSD {
 	@(private) LSIGPROCMASK :: "__sigprocmask14"
 	@(private) LSIGACTION   :: "__sigaction_siginfo"
@@ -1118,7 +1013,7 @@ when ODIN_OS == .Darwin {
 
 	uid_t :: distinct c.uint32_t
 	sigset_t :: struct {
-		[1024/(8 * size_of(c.ulong))]val,
+		__val: [1024/(8 * size_of(c.ulong))]c.ulong,
 	}
 
 	SIGHUP    :: 1
@@ -1285,6 +1180,4 @@ when ODIN_OS == .Darwin {
 	SI_TIMER   :: -2
 	SI_MESGQ   :: -3
 	SI_ASYNCIO :: -4
-} else {
-	#panic("posix is unimplemented for the current target")
 }