diff options
Diffstat (limited to '')
| -rw-r--r-- | common/exechelp.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/common/exechelp.c b/common/exechelp.c index bb9ddd557..4da3c9787 100644 --- a/common/exechelp.c +++ b/common/exechelp.c @@ -238,7 +238,7 @@ do_exec (const char *pgmname, const char *argv[], for (i=0,j=1; argv[i]; i++, j++) arg_list[j] = (char*)argv[i]; - /* Connect the standard files. */ + /* Assign /dev/null to unused FDs. */ for (i=0; i <= 2; i++) { if (fds[i] == -1 ) @@ -248,7 +248,12 @@ do_exec (const char *pgmname, const char *argv[], log_fatal ("failed to open `%s': %s\n", "/dev/null", strerror (errno)); } - else if (fds[i] != i && dup2 (fds[i], i) == -1) + } + + /* Connect the standard files. */ + for (i=0; i <= 2; i++) + { + if (fds[i] != i && dup2 (fds[i], i) == -1) log_fatal ("dup2 std%s failed: %s\n", i==0?"in":i==1?"out":"err", strerror (errno)); } |