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allow rfork(RFNOTEG|RFPROC|RFFDG) for rc.

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rsc 2003-12-04 00:17:10 +00:00
parent 683c5e534a
commit 1c8efa18ee
2 changed files with 19 additions and 3 deletions
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14
src/lib9/rfork.c
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@ -4,6 +4,20 @@
int
p9rfork(int flags)
{
int pid;
if((flags&(RFPROC|RFFDG|RFMEM)) == (RFPROC|RFFDG)){
/* check other flags before we commit */
flags &= ~(RFPROC|RFFDG);
if(flags & ~(RFNOTEG)){
werrstr("unknown flags %08ux in rfork", flags);
return -1;
}
pid = fork();
if(pid != 0)
return pid;
}
if(flags&RFPROC){
werrstr("cannot use rfork to fork -- use ffork");
return -1;