diff options
Diffstat (limited to 'usr.bin/truss/main.c')
-rw-r--r-- | usr.bin/truss/main.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/usr.bin/truss/main.c b/usr.bin/truss/main.c index d0dd073..586fcd6 100644 --- a/usr.bin/truss/main.c +++ b/usr.bin/truss/main.c @@ -239,6 +239,12 @@ main(int ac, char **av) if ((trussinfo->outfile = fopen(fname, "w")) == NULL) errx(1, "cannot open %s", fname); } + /* + * Set FD_CLOEXEC, so that the output file is not shared with + * the traced process. + */ + if (fcntl(fileno(trussinfo->outfile), F_SETFD, FD_CLOEXEC) == -1) + warn("fcntl()"); /* * If truss starts the process itself, it will ignore some signals -- |