+++ /dev/null
-From 48d12f14c9c0fc8cf943b52774c3892517dd72d4 Mon Sep 17 00:00:00 2001
-From: Simon Kelley <simon@thekelleys.org.uk>
-Date: Fri, 2 Nov 2018 21:55:04 +0000
-Subject: [PATCH 10/32] Remove the NO_FORK compile-time option, and support for
- uclinux.
-
-In an era where everything has an MMU, this looks like
-an anachronism, and it adds to (Ok, multiplies!) the
-combinatorial explosion of compile-time options.
-
-Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
----
- CHANGELOG | 6 ++++++
- src/config.h | 21 ++-------------------
- src/dnsmasq.c | 14 --------------
- src/option.c | 4 +---
- 4 files changed, 9 insertions(+), 36 deletions(-)
-
---- a/CHANGELOG
-+++ b/CHANGELOG
-@@ -11,6 +11,12 @@ version 2.81
- This fix passes cache entries back from the TCP child process to
- the main server process, and fixes the problem.
-
-+ Remove the NO_FORK compile-time option, and support for uclinux.
-+ In an era where everything has an MMU, this looks like
-+ an anachronism, and it adds to (Ok, multiplies!) the
-+ combinatorial explosion of compile-time options. Thanks to
-+ Kevin Darbyshire-Bryant for the patch.
-+
-
- version 2.80
- Add support for RFC 4039 DHCP rapid commit. Thanks to Ashram Method
---- a/src/config.h
-+++ b/src/config.h
-@@ -239,27 +239,13 @@ HAVE_SOCKADDR_SA_LEN
- defined if struct sockaddr has sa_len field (*BSD)
- */
-
--/* Must precede __linux__ since uClinux defines __linux__ too. */
--#if defined(__uClinux__)
--#define HAVE_LINUX_NETWORK
--#define HAVE_GETOPT_LONG
--#undef HAVE_SOCKADDR_SA_LEN
--/* Never use fork() on uClinux. Note that this is subtly different from the
-- --keep-in-foreground option, since it also suppresses forking new
-- processes for TCP connections and disables the call-a-script on leasechange
-- system. It's intended for use on MMU-less kernels. */
--#define NO_FORK
--
--#elif defined(__UCLIBC__)
-+#if defined(__UCLIBC__)
- #define HAVE_LINUX_NETWORK
- #if defined(__UCLIBC_HAS_GNU_GETOPT__) || \
- ((__UCLIBC_MAJOR__==0) && (__UCLIBC_MINOR__==9) && (__UCLIBC_SUBLEVEL__<21))
- # define HAVE_GETOPT_LONG
- #endif
- #undef HAVE_SOCKADDR_SA_LEN
--#if !defined(__ARCH_HAS_MMU__) && !defined(__UCLIBC_HAS_MMU__)
--# define NO_FORK
--#endif
- #if defined(__UCLIBC_HAS_IPV6__)
- # ifndef IPV6_V6ONLY
- # define IPV6_V6ONLY 26
-@@ -328,7 +314,7 @@ HAVE_SOCKADDR_SA_LEN
- #define HAVE_DHCP
- #endif
-
--#if defined(NO_SCRIPT) || defined(NO_FORK)
-+#if defined(NO_SCRIPT)
- #undef HAVE_SCRIPT
- #undef HAVE_LUASCRIPT
- #endif
-@@ -372,9 +358,6 @@ static char *compile_opts =
- #ifdef HAVE_BROKEN_RTC
- "no-RTC "
- #endif
--#ifdef NO_FORK
--"no-MMU "
--#endif
- #ifndef HAVE_DBUS
- "no-"
- #endif
---- a/src/dnsmasq.c
-+++ b/src/dnsmasq.c
-@@ -485,7 +485,6 @@ int main (int argc, char **argv)
- if (chdir("/") != 0)
- die(_("cannot chdir to filesystem root: %s"), NULL, EC_MISC);
-
--#ifndef NO_FORK
- if (!option_bool(OPT_NO_FORK))
- {
- pid_t pid;
-@@ -525,7 +524,6 @@ int main (int argc, char **argv)
- if (pid != 0)
- _exit(0);
- }
--#endif
-
- /* write pidfile _after_ forking ! */
- if (daemon->runfile)
-@@ -1628,12 +1626,10 @@ static int set_dns_listeners(time_t now)
-
- }
-
--#ifndef NO_FORK
- if (!option_bool(OPT_DEBUG))
- for (i = 0; i < MAX_PROCS; i++)
- if (daemon->tcp_pipes[i] != -1)
- poll_listen(daemon->tcp_pipes[i], POLLIN);
--#endif
-
- return wait;
- }
-@@ -1643,9 +1639,7 @@ static void check_dns_listeners(time_t n
- struct serverfd *serverfdp;
- struct listener *listener;
- int i;
--#ifndef NO_FORK
- int pipefd[2];
--#endif
-
- for (serverfdp = daemon->sfds; serverfdp; serverfdp = serverfdp->next)
- if (poll_check(serverfdp->fd, POLLIN))
-@@ -1657,7 +1651,6 @@ static void check_dns_listeners(time_t n
- poll_check(daemon->randomsocks[i].fd, POLLIN))
- reply_query(daemon->randomsocks[i].fd, daemon->randomsocks[i].family, now);
-
--#ifndef NO_FORK
- /* Races. The child process can die before we read all of the data from the
- pipe, or vice versa. Therefore send tcp_pids to zero when we wait() the
- process, and tcp_pipes to -1 and close the FD when we read the last
-@@ -1674,7 +1667,6 @@ static void check_dns_listeners(time_t n
- close(daemon->tcp_pipes[i]);
- daemon->tcp_pipes[i] = -1;
- }
--#endif
-
- for (listener = daemon->listeners; listener; listener = listener->next)
- {
-@@ -1768,7 +1760,6 @@ static void check_dns_listeners(time_t n
- shutdown(confd, SHUT_RDWR);
- while (retry_send(close(confd)));
- }
--#ifndef NO_FORK
- else if (!option_bool(OPT_DEBUG) && pipe(pipefd) == 0 && (p = fork()) != 0)
- {
- close(pipefd[1]); /* parent needs read pipe end. */
-@@ -1791,7 +1782,6 @@ static void check_dns_listeners(time_t n
- /* The child can use up to TCP_MAX_QUERIES ids, so skip that many. */
- daemon->log_id += TCP_MAX_QUERIES;
- }
--#endif
- else
- {
- unsigned char *buff;
-@@ -1811,7 +1801,6 @@ static void check_dns_listeners(time_t n
- auth_dns = 0;
- }
-
--#ifndef NO_FORK
- /* Arrange for SIGALRM after CHILD_LIFETIME seconds to
- terminate the process. */
- if (!option_bool(OPT_DEBUG))
-@@ -1820,7 +1809,6 @@ static void check_dns_listeners(time_t n
- close(pipefd[0]); /* close read end in child. */
- daemon->pipe_to_parent = pipefd[1];
- }
--#endif
-
- /* start with no upstream connections. */
- for (s = daemon->servers; s; s = s->next)
-@@ -1846,13 +1834,11 @@ static void check_dns_listeners(time_t n
- shutdown(s->tcpfd, SHUT_RDWR);
- while (retry_send(close(s->tcpfd)));
- }
--#ifndef NO_FORK
- if (!option_bool(OPT_DEBUG))
- {
- flush_log();
- _exit(0);
- }
--#endif
- }
- }
- }
---- a/src/option.c
-+++ b/src/option.c
-@@ -1828,9 +1828,7 @@ static int one_opt(int option, char *arg
- /* Sorry about the gross pre-processor abuse */
- case '6': /* --dhcp-script */
- case LOPT_LUASCRIPT: /* --dhcp-luascript */
--# if defined(NO_FORK)
-- ret_err(_("cannot run scripts under uClinux"));
--# elif !defined(HAVE_SCRIPT)
-+# if !defined(HAVE_SCRIPT)
- ret_err(_("recompile with HAVE_SCRIPT defined to enable lease-change scripts"));
- # else
- if (option == LOPT_LUASCRIPT)
projects / openwrt / staging / hauke.git / blobdiff