Library progress

lib/i386/rts/Makefile.in

@@ -7,6 +7,7 @@ LIBRARIES=libc
 libc_FILES=" \
 	__sigreturn.s \
 	_ipc.s \
+	_ipcnew.s \
 	brksize.s"
 	
 STARTFILES="\

lib/i386/rts/_ipc.s

@@ -1,5 +1,5 @@
 .sect .text; .sect .rom; .sect .data; .sect .bss
-.define __echo, __notify, __send, __nb_send, __receive, __nb_receive, __sendrec 
+.define __echo, __notify, __send, __receive, __sendrec 
 
 ! See src/kernel/ipc.h for C definitions
 SEND = 1
@@ -7,19 +7,17 @@ RECEIVE = 2
 SENDREC = 3 
 NOTIFY = 4
 ECHO = 8
-NB_SEND = 1 + 16 		! flags 0x10 to prevent blocking 
-NB_RECEIVE = 2 + 16		! flags 0x10 to prevent blocking 
 SYSVEC = 33			! trap to kernel 
 
 SRC_DST = 8			! source/ destination process 
-ECHO_MESS = 8			! doesn't have SRC_DST 
+ECHO_MESS = 8			! echo doesn't have SRC_DST 
 MESSAGE = 12			! message pointer 
 
 !*========================================================================*
 !                           IPC assembly routines			  *
 !*========================================================================*
 ! all message passing routines save ebp, but destroy eax and ecx.
-.define __echo, __notify, __send, __nb_send, __receive, __nb_receive, __sendrec 
+.define __echo, __notify, __send, __receive, __sendrec 
 .sect .text
 __send:
 	push	ebp
@@ -33,18 +31,6 @@ __send:
 	pop	ebp
 	ret
 
-__nb_send:
-	push	ebp
-	mov	ebp, esp
-	push	ebx
-	mov	eax, SRC_DST(ebp)	! eax = dest-src
-	mov	ebx, MESSAGE(ebp)	! ebx = message pointer
-	mov	ecx, NB_SEND		! _nb_send(dest, ptr)
-	int	SYSVEC			! trap to the kernel
-	pop	ebx
-	pop	ebp
-	ret
-
 __receive:
 	push	ebp
 	mov	ebp, esp
@@ -57,18 +43,6 @@ __receive:
 	pop	ebp
 	ret
 
-__nb_receive:
-	push	ebp
-	mov	ebp, esp
-	push	ebx
-	mov	eax, SRC_DST(ebp)	! eax = dest-src
-	mov	ebx, MESSAGE(ebp)	! ebx = message pointer
-	mov	ecx, NB_RECEIVE		! _nb_receive(src, ptr)
-	int	SYSVEC			! trap to the kernel
-	pop	ebx
-	pop	ebp
-	ret
-
 __sendrec:
 	push	ebp
 	mov	ebp, esp

lib/i386/rts/_ipcnew.s

@@ -0,0 +1,75 @@
+.sect .text; .sect .rom; .sect .data; .sect .bss
+.define __ipc_request, __ipc_reply, __ipc_notify, __ipc_receive
+
+! See src/kernel/ipc.h for C definitions.
+IPC_REQUEST = 16		! each gets a distinct bit
+IPC_REPLY = 32
+IPC_NOTIFY = 64
+IPC_RECEIVE = 128
+
+SYSVEC = 33			! trap to kernel 
+
+! Offsets of arguments relative to stack pointer.
+SRC_DST = 8			! source/ destination process 
+SEND_MSG = 12			! message pointer for sending 
+EVENT_SET = 12			! notification event set 
+RECV_MSG = 16			! message pointer for receiving 
+
+
+!*========================================================================*
+!                           IPC assembly routines			  *
+!*========================================================================*
+! all message passing routines save ebp, but destroy eax, ecx, and edx.
+.define __ipc_request, __ipc_reply, __ipc_notify, __ipc_receive
+.sect .text
+
+__ipc_request:
+	push	ebp
+	mov	ebp, esp
+	push	ebx
+	mov	eax, SRC_DST(ebp)	! eax = destination
+	mov	ebx, SEND_MSG(ebp)	! ebx = message pointer
+	mov	ecx, IPC_REQUEST	! _ipc_request(dst, ptr)
+	int	SYSVEC			! trap to the kernel
+	pop	ebx
+	pop	ebp
+	ret
+
+__ipc_reply:
+	push	ebp
+	mov	ebp, esp
+	push	ebx
+	mov	eax, SRC_DST(ebp)	! eax = destination
+	mov	ebx, SEND_MSG(ebp)	! ebx = message pointer
+	mov	ecx, IPC_REPLY		! _ipc_reply(dst, ptr)
+	int	SYSVEC			! trap to the kernel
+	pop	ebx
+	pop	ebp
+	ret
+
+__ipc_receive:
+	push	ebp
+	mov	ebp, esp
+	push	ebx
+	mov	eax, SRC_DST(ebp)	! eax = source
+	mov	edx, EVENT_SET(ebp)	! ebx = event set
+	mov	ebx, RCV_MSG(ebp)	! ebx = message pointer
+	mov	ecx, IPC_RECEIVE	! _ipc_receive(src, events, ptr)
+	int	SYSVEC			! trap to the kernel
+	pop	ebx
+	pop	ebp
+	ret
+
+__ipc_notify:
+	push	ebp
+	mov	ebp, esp
+	push	ebx
+	mov	eax, SRC_DST(ebp)	! ebx = destination 
+	mov	edx, EVENT_SET(ebp)	! edx = event set 
+	mov	ecx, IPC_NOTIFY		! _ipc_notify(dst, events)
+	int	SYSVEC			! trap to the kernel
+	pop	ebx
+	pop	ebp
+	ret
+
+

lib/other/Makefile.in

@@ -11,6 +11,7 @@ libc_FILES=" \
 	_findproc.c \
 	_freemem.c \
 	_getnpid.c \
+	_getsigset.c \
 	_getnprocnr.c \
 	_getpprocnr.c \
 	_getprocnr.c \

lib/other/_getsigset.c

@@ -0,0 +1,15 @@
+#include <lib.h>
+#define getsigset	_getsigset
+#include <unistd.h>
+
+
+PUBLIC int getsigset(sp)
+sigset_t *sp;				/* where to put it */
+{
+  message m;
+  m.m2_i1 = SELF;			/* request own signal set */
+  if (_syscall(PM_PROC_NR, PROCSTAT, &m) < 0) return(-1);
+  *sp = m.m2_l1;
+  return(0);
+}
+

lib/syscall/Makefile.in

@@ -47,6 +47,7 @@ libc_FILES=" \
 	getppid.s \
 	getpprocnr.s \
 	getprocnr.s \
+	getsigset.s \
 	getsysinfo.s \
 	getuid.s \
 	ioctl.s \