From 41c029755502acf01ed634db437ac06d09be6c41 Mon Sep 17 00:00:00 2001 From: Thomas Petazzoni Date: Fri, 13 Apr 2018 09:02:37 +0200 Subject: [PATCH] Don't use fork() on noMMU platforms MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Thomas Petazzoni [Jörg: update patch for 1.1.6] Signed-off-by: Jörg Krause Upstream: http://mailman.alsa-project.org/pipermail/alsa-devel/2018-November/141376.html [Bernd: update patch for 1.2.4] Signed-off-by: Bernd Kuhls --- configure.ac | 2 ++ src/pcm/pcm_direct.c | 10 +++++++++- 2 files changed, 11 insertions(+), 1 deletion(-) diff --git a/configure.ac b/configure.ac index cce195ae..0c852434 100644 --- a/configure.ac +++ b/configure.ac @@ -51,6 +51,8 @@ dnl Checks for library functions. AC_PROG_GCC_TRADITIONAL AC_CHECK_FUNCS([uselocale]) +AC_CHECK_FUNC([fork]) + SAVE_LIBRARY_VERSION AC_SUBST(LIBTOOL_VERSION_INFO) diff --git a/src/pcm/pcm_direct.c b/src/pcm/pcm_direct.c index 2b07eff9..4dc3ea26 100644 --- a/src/pcm/pcm_direct.c +++ b/src/pcm/pcm_direct.c @@ -437,13 +437,21 @@ int snd_pcm_direct_server_create(snd_pcm_direct_t *dmix) close(dmix->server_fd); return ret; } - + +#ifdef HAVE_FORK ret = fork(); +#else + ret = vfork(); +#endif if (ret < 0) { close(dmix->server_fd); return ret; } else if (ret == 0) { +#ifdef HAVE_FORK ret = fork(); +#else + ret = vfork(); +#endif if (ret == 0) server_job(dmix); _exit(EXIT_SUCCESS); -- 2.14.3