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avoid leaking netlink socket fd to external programs
[elogind.git]
/
udev
/
lib
/
libudev-util.c
diff --git
a/udev/lib/libudev-util.c
b/udev/lib/libudev-util.c
index 867a41d21120df2361c75bcfcf1ef5e6e96fdb4d..b628fdd44c33a35eea72535b029838c19f0ee76d 100644
(file)
--- a/
udev/lib/libudev-util.c
+++ b/
udev/lib/libudev-util.c
@@
-448,3
+448,15
@@
int udev_util_encode_string(const char *str, char *str_enc, size_t len)
err:
return -1;
}
err:
return -1;
}
+
+void util_set_fd_cloexec(int fd)
+{
+ int flags;
+
+ flags = fcntl(fd, F_GETFD);
+ if (flags < 0)
+ flags = FD_CLOEXEC;
+ else
+ flags |= FD_CLOEXEC;
+ fcntl(fd, F_SETFD, flags);
+}