diff options
Diffstat (limited to 'ext')
| -rw-r--r-- | ext/sdbm/_sdbm.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/ext/sdbm/_sdbm.c b/ext/sdbm/_sdbm.c index 64cda29437..07903ca9b1 100644 --- a/ext/sdbm/_sdbm.c +++ b/ext/sdbm/_sdbm.c @@ -178,6 +178,29 @@ sdbm_open(register char *file, register int flags, register int mode) return db; } +static int +fd_set_cloexec(int fd) +{ + /* MinGW don't have F_GETFD and FD_CLOEXEC. [ruby-core:40281] */ +#ifdef F_GETFD + int flags, ret; + flags = fcntl(fd, F_GETFD); /* should not fail except EBADF. */ + if (flags == -1) { + return -1; + } + if (2 < fd) { + if (!(flags & FD_CLOEXEC)) { + flags |= FD_CLOEXEC; + ret = fcntl(fd, F_SETFD, flags); + if (ret == -1) { + return -1; + } + } + } +#endif + return 0; +} + DBM * sdbm_prep(char *dirname, char *pagname, int flags, int mode) { @@ -209,7 +232,9 @@ sdbm_prep(char *dirname, char *pagname, int flags, int mode) flags |= O_BINARY; if ((db->pagf = open(pagname, flags, mode)) == -1) goto err; + if (fd_set_cloexec(db->pagf) == -1) goto err; if ((db->dirf = open(dirname, flags, mode)) == -1) goto err; + if (fd_set_cloexec(db->dirf) == -1) goto err; /* * need the dirfile size to establish max bit number. */ |