From mboxrd@z Thu Jan 1 00:00:00 1970 From: Aaron Wu Subject: [PATCH] Add no-mmu support for alsa-utils Date: Wed, 4 Dec 2013 16:36:30 +0800 Message-ID: <1386146190-2780-1-git-send-email-aaron.wu@analog.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from co9outboundpool.messaging.microsoft.com (co9ehsobe003.messaging.microsoft.com [207.46.163.26]) by alsa0.perex.cz (Postfix) with ESMTP id 8E11F26171F for ; Wed, 4 Dec 2013 09:39:06 +0100 (CET) List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org To: adi-buildroot-devel@lists.sourceforge.net, alsa-devel@alsa-project.org Cc: Aaron Wu List-Id: alsa-devel@alsa-project.org From: Aaron Wu Signed-off-by: Aaron Wu Add no-mmu support for alsa-utils mainly for Blackfin --- alsactl/init_utils_run.c | 4 ++++ alsaloop/alsaloop.c | 8 ++++++++ configure.in | 1 + 3 files changed, 13 insertions(+) diff --git a/alsactl/init_utils_run.c b/alsactl/init_utils_run.c index dde490b..ac074e6 100644 --- a/alsactl/init_utils_run.c +++ b/alsactl/init_utils_run.c @@ -89,7 +89,11 @@ int run_program0(struct space *space, argv[0] = program; } + #ifdef HAVE_FORK pid = fork(); + #else + pid = vfork(); + #endif switch(pid) { case 0: /* child closes parent ends of pipes */ diff --git a/alsaloop/alsaloop.c b/alsaloop/alsaloop.c index 3b20682..1b1e540 100644 --- a/alsaloop/alsaloop.c +++ b/alsaloop/alsaloop.c @@ -861,14 +861,22 @@ int main(int argc, char *argv[]) logit(LOG_CRIT, "daemon() failed: %s\n", strerror(errno)); exit(EXIT_FAILURE); } + #ifdef HAVE_FORK i = fork(); + #else + i = vfork(); + #endif if (i < 0) { logit(LOG_CRIT, "fork() failed: %s\n", strerror(errno)); exit(EXIT_FAILURE); } if (i > 0) { /* wait(&i); */ + #ifdef HAVE_FORK exit(EXIT_SUCCESS); + #else + _exit(EXIT_SUCCESS); + #endif } } diff --git a/configure.in b/configure.in index 60da1fa..f289f9b 100644 --- a/configure.in +++ b/configure.in @@ -25,6 +25,7 @@ then AC_MSG_RESULT($CC) fi +AC_CHECK_FUNC([fork]) AC_PROG_CC dnl AC_PROG_CXX AC_PROG_INSTALL -- 1.7.9.5