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Code Issues Releases Activity

Do not catch signals when waiting for a request. This fixes a nasty

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race when issuing commands from userland.
This commit is contained in:
Paul Saab 2004-04-14 18:55:28 +00:00
parent 5e679b57b6
commit 40f05b02ec
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=128257
1 changed files with 2 additions and 14 deletions
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16
sys/dev/ciss/ciss.c
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@ -1696,20 +1696,8 @@ ciss_wait_request(struct ciss_request *cr, int timeout)
return(error);
s = splcam();
while (cr->cr_flags & CISS_REQ_SLEEP) {
error = tsleep(cr, PCATCH, "cissREQ", (timeout * hz) / 1000);
/*
* On wakeup or interruption due to restartable activity, go
* back and check to see if we're done.
*/
if ((error == 0) || (error == ERESTART)) {
error = 0;
continue;
}
/*
* Timeout, interrupted system call, etc.
*/
break;
while ((cr->cr_flags & CISS_REQ_SLEEP) && (error != EWOULDBLOCK)) {
error = tsleep(cr, PRIBIO, "cissREQ", (timeout * hz) / 1000);
}
splx(s);
return(error);