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| author | tjr <tjr@FreeBSD.org> | 2003-02-14 09:16:43 +0000 |
|---|---|---|
| committer | tjr <tjr@FreeBSD.org> | 2003-02-14 09:16:43 +0000 |
| commit | 8a9c700ec3e6aaf6ea3584e7a9e2b5d800274956 (patch) | |
| tree | 46631bda7a4136c7906e12c196a6707988e5c46f /sys/netncp | |
| parent | 9696379ec26cd3b35319dad2ba50064203c57f97 (diff) | |
| download | FreeBSD-src-8a9c700ec3e6aaf6ea3584e7a9e2b5d800274956.zip FreeBSD-src-8a9c700ec3e6aaf6ea3584e7a9e2b5d800274956.tar.gz | |
Lock proc while accessing p_siglist p_sigmask and p_sigignore.
Not tested because netncp does not compile.
Diffstat (limited to 'sys/netncp')
| -rw-r--r-- | sys/netncp/ncp_ncp.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sys/netncp/ncp_ncp.c b/sys/netncp/ncp_ncp.c index 613c2d0..911dd82 100644 --- a/sys/netncp/ncp_ncp.c +++ b/sys/netncp/ncp_ncp.c @@ -80,11 +80,15 @@ ncp_chkintr(struct ncp_conn *conn, struct proc *p) if (p == NULL) return 0; + PROC_LOCK(p); tmpset = p->p_siglist; SIGSETNAND(tmpset, p->p_sigmask); SIGSETNAND(tmpset, p->p_sigignore); - if (SIGNOTEMPTY(p->p_siglist) && NCP_SIGMASK(tmpset)) + if (SIGNOTEMPTY(p->p_siglist) && NCP_SIGMASK(tmpset)) { + PROC_UNLOCK(p); return EINTR; + } + PROC_UNLOCK(p); return 0; } |
