From 6d45f89806dc43dcb3f1090c3ba61fe3c75c8fa2 Mon Sep 17 00:00:00 2001 From: deraadt Date: Fri, 19 Jan 2001 17:58:18 +0000 Subject: mark remaining signal races which are difficult to fix, and fix a few partially --- usr.bin/write/write.c | 17 ++++++++++------- 1 file changed, 10 insertions(+), 7 deletions(-) (limited to 'usr.bin/write/write.c') diff --git a/usr.bin/write/write.c b/usr.bin/write/write.c index e5357d0deb6..60985c0ab29 100644 --- a/usr.bin/write/write.c +++ b/usr.bin/write/write.c @@ -1,4 +1,4 @@ -/* $OpenBSD: write.c,v 1.10 1999/02/21 08:28:16 deraadt Exp $ */ +/* $OpenBSD: write.c,v 1.11 2001/01/19 17:58:21 deraadt Exp $ */ /* $NetBSD: write.c,v 1.5 1995/08/31 21:48:32 jtc Exp $ */ /* @@ -47,7 +47,7 @@ static char copyright[] = #if 0 static char sccsid[] = "@(#)write.c 8.2 (Berkeley) 4/27/95"; #endif -static char *rcsid = "$OpenBSD: write.c,v 1.10 1999/02/21 08:28:16 deraadt Exp $"; +static char *rcsid = "$OpenBSD: write.c,v 1.11 2001/01/19 17:58:21 deraadt Exp $"; #endif /* not lint */ #include @@ -66,7 +66,7 @@ static char *rcsid = "$OpenBSD: write.c,v 1.10 1999/02/21 08:28:16 deraadt Exp $ #include #include -void done(); +void done __P((int sig)); void do_write __P((char *, char *, uid_t)); void wr_fputs __P((char *)); void search_utmp __P((char *, char *, char *, uid_t)); @@ -127,7 +127,7 @@ main(argc, argv) (void)fprintf(stderr, "usage: write user [tty]\n"); exit(1); } - done(); + done(0); /* NOTREACHED */ } @@ -285,10 +285,13 @@ do_write(tty, mytty, myuid) * done - cleanup and exit */ void -done() +done(int sig) { - (void)printf("EOF\r\n"); - exit(0); + (void)printf("EOF\r\n"); /* XXX signal race */ + if (sig) + _exit(0); + else + exit(0); } /* -- cgit v1.2.3-59-g8ed1b