d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

make sure we had the filedesc lock when calling fdinit when RFCFDG is set

Browse Source 
on call to rfork.

Submitted by:	Brian Buchanan
Semi-Reviewed by: rwatson
This commit is contained in:
John-Mark Gurney 2004-03-10 00:27:36 +00:00
parent c2026e4db2
commit 0235bf0261
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
sys/kern/kern_fork.c
View File

@ -232,7 +232,9 @@ fork1(td, flags, pages, procp)
*/
if (flags & RFCFDG) {
struct filedesc *fdtmp;
FILEDESC_LOCK(td->td_proc->p_fd);
fdtmp = fdinit(td->td_proc->p_fd);
FILEDESC_UNLOCK(td->td_proc->p_fd);
fdfree(td);
p1->p_fd = fdtmp;
}
@ -428,7 +430,9 @@ fork1(td, flags, pages, procp)
* Copy filedesc.
*/
if (flags & RFCFDG) {
FILEDESC_LOCK(td->td_proc->p_fd);
fd = fdinit(td->td_proc->p_fd);
FILEDESC_UNLOCK(td->td_proc->p_fd);
fdtol = NULL;
} else if (flags & RFFDG) {
FILEDESC_LOCK(p1->p_fd);