xref: /minix3/minix/lib/libc/sys/_mcontext.c (revision 433d6423c39e34ec4b79c950597bb2d236f886be)
1*433d6423SLionel Sambuc /*
2*433d6423SLionel Sambuc  * mcontext.c
3*433d6423SLionel Sambuc */
4*433d6423SLionel Sambuc #include <sys/cdefs.h>
5*433d6423SLionel Sambuc #include <lib.h>
6*433d6423SLionel Sambuc #include <namespace.h>
7*433d6423SLionel Sambuc 
8*433d6423SLionel Sambuc #include <string.h>
9*433d6423SLionel Sambuc #include <ucontext.h>
10*433d6423SLionel Sambuc #include <unistd.h>
11*433d6423SLionel Sambuc 
setmcontext(const mcontext_t * mcp)12*433d6423SLionel Sambuc int setmcontext(const mcontext_t *mcp)
13*433d6423SLionel Sambuc {
14*433d6423SLionel Sambuc   message m;
15*433d6423SLionel Sambuc 
16*433d6423SLionel Sambuc   memset(&m, 0, sizeof(m));
17*433d6423SLionel Sambuc   m.m_lc_pm_mcontext.ctx = (vir_bytes)mcp;
18*433d6423SLionel Sambuc 
19*433d6423SLionel Sambuc   return(_syscall(PM_PROC_NR, PM_SETMCONTEXT, &m));
20*433d6423SLionel Sambuc }
21*433d6423SLionel Sambuc 
22*433d6423SLionel Sambuc 
getmcontext(mcontext_t * mcp)23*433d6423SLionel Sambuc int getmcontext(mcontext_t *mcp)
24*433d6423SLionel Sambuc {
25*433d6423SLionel Sambuc   message m;
26*433d6423SLionel Sambuc 
27*433d6423SLionel Sambuc   memset(&m, 0, sizeof(m));
28*433d6423SLionel Sambuc   m.m_lc_pm_mcontext.ctx = (vir_bytes)mcp;
29*433d6423SLionel Sambuc 
30*433d6423SLionel Sambuc   return(_syscall(PM_PROC_NR, PM_GETMCONTEXT, &m));
31*433d6423SLionel Sambuc }
32*433d6423SLionel Sambuc 
33