sanchayanmaity/minix
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Don't open pipes readwrite as it leads to confusion.

Browse source
This commit is contained in:
Ben Gras 2006-03-28 11:28:16 +00:00
parent 52cd12195e
commit 2d5058685d
1 changed files with 6 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
servers/fs/open.c
View file

@ -287,6 +287,12 @@ PRIVATE int pipe_open(register struct inode *rip, register mode_t bits,
*/ */
rip->i_pipe = I_PIPE; rip->i_pipe = I_PIPE;
if((bits & (R_BIT|W_BIT)) == (R_BIT|W_BIT)) {
printf("pipe opened RW.\n");
return ENXIO;
}
if (find_filp(rip, bits & W_BIT ? R_BIT : W_BIT) == NIL_FILP) { if (find_filp(rip, bits & W_BIT ? R_BIT : W_BIT) == NIL_FILP) {
if (oflags & O_NONBLOCK) { if (oflags & O_NONBLOCK) {
if (bits & W_BIT) return(ENXIO); if (bits & W_BIT) return(ENXIO);