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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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8
src/lib9/dirread.c
View file

@ -50,8 +50,7 @@ countde(char *p, int n)
de->d_name[0] = 0;
else if(de->d_name[0]=='.' && de->d_name[1]=='.' && de->d_name[2]==0)
de->d_name[0] = 0;
else
m++;
m++;
p += de->d_reclen;
}
return m;
@ -78,9 +77,12 @@ dirpackage(int fd, char *buf, int n, Dir **dp)
p = buf;
nstr = 0;
for(i=0; i<n; i++){
de = (struct dirent*)p;
if(stat(de->d_name, &st) < 0)
if(de->d_name[0] == 0)
/* nothing */ {}
else if(stat(de->d_name, &st) < 0)
de->d_name[0] = 0;
else
nstr += _p9dir(&st, de->d_name, nil, nil, nil);

14
src/lib9/rfork.c
View file

@ -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;