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Diffstat (limited to 'qemu-ga.c')
-rw-r--r--qemu-ga.c19
1 files changed, 18 insertions, 1 deletions
diff --git a/qemu-ga.c b/qemu-ga.c
index ba355d8783..1c90e6ef0d 100644
--- a/qemu-ga.c
+++ b/qemu-ga.c
@@ -17,6 +17,7 @@
#include <getopt.h>
#ifndef _WIN32
#include <syslog.h>
+#include <sys/wait.h>
#endif
#include "json-streamer.h"
#include "json-parser.h"
@@ -73,9 +74,16 @@ static void quit_handler(int sig)
}
#ifndef _WIN32
+/* reap _all_ terminated children */
+static void child_handler(int sig)
+{
+ int status;
+ while (waitpid(-1, &status, WNOHANG) > 0) /* NOTHING */;
+}
+
static gboolean register_signal_handlers(void)
{
- struct sigaction sigact;
+ struct sigaction sigact, sigact_chld;
int ret;
memset(&sigact, 0, sizeof(struct sigaction));
@@ -91,6 +99,15 @@ static gboolean register_signal_handlers(void)
g_error("error configuring signal handler: %s", strerror(errno));
return false;
}
+
+ memset(&sigact_chld, 0, sizeof(struct sigaction));
+ sigact_chld.sa_handler = child_handler;
+ sigact_chld.sa_flags = SA_NOCLDSTOP;
+ ret = sigaction(SIGCHLD, &sigact_chld, NULL);
+ if (ret == -1) {
+ g_error("error configuring signal handler: %s", strerror(errno));
+ }
+
return true;
}
#endif