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authorJes Sorensen <Jes.Sorensen@redhat.com>2010-06-10 11:42:22 +0200
committerBlue Swirl <blauwirbel@gmail.com>2010-06-12 08:49:14 +0300
commit8d963e6ae700b2a46dd3a2bde5d1e5f925702f47 (patch)
treee90c19d6fea1e95440bae1f8d06dfb4118fd5a4e /os-posix.c
parentfe98ac146109e307d7e19486dcfebbc89259d34d (diff)
Move main signal handler setup to os specificfiles.
Move main signal handler setup to os specific files. Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Acked-by: Juan Quintela <quintela@redhat.com> Acked-by: Richard Henderson <rth@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Diffstat (limited to 'os-posix.c')
-rw-r--r--os-posix.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/os-posix.c b/os-posix.c
index 948f662e91..01dbec2e36 100644
--- a/os-posix.c
+++ b/os-posix.c
@@ -26,6 +26,8 @@
#include <unistd.h>
#include <fcntl.h>
#include <signal.h>
+#include <sys/types.h>
+#include <sys/wait.h>
/* Needed early for CONFIG_BSD etc. */
#include "config-host.h"
@@ -39,3 +41,28 @@ void os_setup_early_signal_handling(void)
act.sa_handler = SIG_IGN;
sigaction(SIGPIPE, &act, NULL);
}
+
+static void termsig_handler(int signal)
+{
+ qemu_system_shutdown_request();
+}
+
+static void sigchld_handler(int signal)
+{
+ waitpid(-1, NULL, WNOHANG);
+}
+
+void os_setup_signal_handling(void)
+{
+ struct sigaction act;
+
+ memset(&act, 0, sizeof(act));
+ act.sa_handler = termsig_handler;
+ sigaction(SIGINT, &act, NULL);
+ sigaction(SIGHUP, &act, NULL);
+ sigaction(SIGTERM, &act, NULL);
+
+ act.sa_handler = sigchld_handler;
+ act.sa_flags = SA_NOCLDSTOP;
+ sigaction(SIGCHLD, &act, NULL);
+}