| #include <u.h> | |
| #include <libc.h> | |
| #include "9proc.h" | |
| static Lock privlock; | |
| static ulong privmap; | |
| int | |
| privalloc(void) | |
| { | |
| int i; | |
| lock(&privlock); | |
| for(i=0; i<NPRIV; i++) | |
| if((privmap&(1<<i)) == 0){ | |
| privmap |= (1<<i); | |
| unlock(&privlock); | |
| return i; | |
| } | |
| unlock(&privlock); | |
| return -1; | |
| } | |
| void** | |
| privmem(int i) | |
| { | |
| Uproc *up; | |
| up = _p9uproc(); | |
| return &up->priv[i]; | |
| } | |