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add RFENVG, RFCENVG

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rsc 2006-02-11 22:58:29 +00:00
parent 00d75e0eae
commit e4d832222b
1 changed files with 7 additions and 3 deletions
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10
src/lib9/rfork.c
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@ -15,13 +15,14 @@ p9rfork(int flags)
{ {
int pid, status; int pid, status;
int p[2]; int p[2];
int n; int i, n;
char buf[128], *q; char buf[128], *q;
extern char **environ;
if((flags&(RFPROC|RFFDG|RFMEM)) == (RFPROC|RFFDG)){ if((flags&(RFPROC|RFFDG|RFMEM)) == (RFPROC|RFFDG)){
/* check other flags before we commit */ /* check other flags before we commit */
flags &= ~(RFPROC|RFFDG); flags &= ~(RFPROC|RFFDG|RFENVG);
n = (flags & ~(RFNOTEG|RFNAMEG|RFNOWAIT)); n = (flags & ~(RFNOTEG|RFNAMEG|RFNOWAIT|RFCENVG));
if(n){ if(n){
werrstr("unknown flags %08ux in rfork", n); werrstr("unknown flags %08ux in rfork", n);
return -1; return -1;
@ -99,6 +100,9 @@ p9rfork(int flags)
} }
if(pid != 0) if(pid != 0)
return pid; return pid;
if(flags&RFCENVG)
if(environ)
*environ = nil;
} }
if(flags&RFPROC){ if(flags&RFPROC){
werrstr("cannot use rfork for shared memory -- use libthread"); werrstr("cannot use rfork for shared memory -- use libthread");