4 * $DragonFly: src/sys/sys/sysmsg.h,v 1.12 2008/08/25 23:35:47 dillon Exp $
13 #include <sys/types.h>
17 * The sysmsg holds the kernelland version of a system call's arguments
18 * and return value. It typically preceeds the syscall arguments in sysunion
19 * (see sys/sysunion.h).
21 * WARNING: fds must be long so it translates to two 64 bit registers
22 * on 64 bit architectures.
28 void *resultp; /* misc pointer data or result */
29 int result; /* standard 'int'eger result */
30 long lresult; /* long result */
31 long fds[2]; /* double result */
32 __int32_t result32; /* 32 bit result */
33 __int64_t result64; /* 64 bit result */
34 __off_t offset; /* off_t result */
36 struct trapframe *sm_frame; /* trapframe - saved user context */
46 #define sysmsg_result sysmsg.sm_result.result
47 #define sysmsg_lresult sysmsg.sm_result.lresult
48 #define sysmsg_resultp sysmsg.sm_result.resultp
49 #define sysmsg_fds sysmsg.sm_result.fds
50 #define sysmsg_offset sysmsg.sm_result.offset
51 #define sysmsg_result32 sysmsg.sm_result.result32
52 #define sysmsg_result64 sysmsg.sm_result.result64
53 #define sysmsg_frame sysmsg.sm_frame