From f41429d815eb390f1937bf364389595304c7a6e2 Mon Sep 17 00:00:00 2001 From: Philip Homburg Date: Mon, 23 Apr 2007 13:44:56 +0000 Subject: [PATCH] Cleanup. --- kernel/ipc.h | 29 +++++++++-------------------- 1 file changed, 9 insertions(+), 20 deletions(-) diff --git a/kernel/ipc.h b/kernel/ipc.h index b5dffdeaa..d315b852b 100644 --- a/kernel/ipc.h +++ b/kernel/ipc.h @@ -7,28 +7,17 @@ #include /* Masks and flags for system calls. */ -#define SYSCALL_FUNC 0x000F /* mask for system call function */ -#define SYSCALL_FLAGS 0x00F0 /* mask for system call flags */ -#define NON_BLOCKING 0x0010 /* do not block if target not ready */ +#define NON_BLOCKING 0x0080 /* do not block if target not ready */ -/* System call numbers that are passed when trapping to the kernel. The - * numbers are carefully defined so that it can easily be seen (based on - * the bits that are on) which checks should be done in sys_call(). - */ -#define SEND 1 /* 0001 : blocking send */ -#define RECEIVE 2 /* 0010 : blocking receive */ -#define SENDREC 3 /* 0011 : SEND + RECEIVE */ -#define NOTIFY 4 /* 0100 : nonblocking notify */ -#define ECHO 8 /* 1000 : echo a message */ - -#define IPC_REQUEST 5 /* 0101 : blocking request */ -#define IPC_REPLY 6 /* 0110 : nonblocking reply */ -#define IPC_NOTIFY 7 /* 0111 : nonblocking notification */ -#define IPC_RECEIVE 9 /* 1001 : blocking receive */ +/* System call numbers that are passed when trapping to the kernel. */ +#define SEND 1 /* blocking send */ +#define RECEIVE 2 /* blocking receive */ +#define SENDREC 3 /* SEND + RECEIVE */ +#define NOTIFY 4 /* asynchronous notify */ +#define SENDNB 5 /* nonblocking send */ +#define SENDA 16 /* asynchronous send */ /* The following bit masks determine what checks that should be done. */ -#define CHECK_PTR 0xBB /* 1011 1011 : validate message buffer */ -#define CHECK_DST 0x55 /* 0101 0101 : validate message destination */ -#define CHECK_DEADLOCK 0x93 /* 1001 0011 : check for deadlock */ +#define CHECK_DEADLOCK 0x03 /* 0000 0011 : check for deadlock */ #endif /* IPC_H */ -- 2.44.0