tadd RFENVG, RFCENVG - plan9port - [fork] Plan 9 from user space
HTML git clone git://src.adamsgaard.dk/plan9port
DIR Log
DIR Files
DIR Refs
DIR README
DIR LICENSE
---
DIR commit e4d832222ba5519db94c7512c1fb82bd32491120
DIR parent 00d75e0eaefc3d52a6bb631e4747da2b88e7c393
HTML Author: rsc <devnull@localhost>
Date: Sat, 11 Feb 2006 22:58:29 +0000
add RFENVG, RFCENVG
Diffstat:
M src/lib9/rfork.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
---
DIR diff --git a/src/lib9/rfork.c b/src/lib9/rfork.c
t@@ -15,13 +15,14 @@ p9rfork(int flags)
{
int pid, status;
int p[2];
- int n;
+ int i, n;
char buf[128], *q;
+ extern char **environ;
if((flags&(RFPROC|RFFDG|RFMEM)) == (RFPROC|RFFDG)){
/* check other flags before we commit */
- flags &= ~(RFPROC|RFFDG);
- n = (flags & ~(RFNOTEG|RFNAMEG|RFNOWAIT));
+ flags &= ~(RFPROC|RFFDG|RFENVG);
+ n = (flags & ~(RFNOTEG|RFNAMEG|RFNOWAIT|RFCENVG));
if(n){
werrstr("unknown flags %08ux in rfork", n);
return -1;
t@@ -99,6 +100,9 @@ p9rfork(int flags)
}
if(pid != 0)
return pid;
+ if(flags&RFCENVG)
+ if(environ)
+ *environ = nil;
}
if(flags&RFPROC){
werrstr("cannot use rfork for shared memory -- use libthread");