am 4b2b0a74: am 74bd799e: Merge "Exit dumpstate on SIGPIPE to avoid cascading child crashes"

* commit '4b2b0a7494c872b7d545a9abe2d08ca0d0325073':
  Exit dumpstate on SIGPIPE to avoid cascading child crashes

1 files changed, 9 insertions, 1 deletions

diff --git a/cmds/dumpstate/dumpstate.c b/cmds/dumpstate/dumpstate.c
index 9a332a96d8..89bea917d7 100644
--- a/cmds/dumpstate/dumpstate.c
+++ b/cmds/dumpstate/dumpstate.c
@@ -315,7 +315,13 @@ static void usage() {
 		);
 }
 
+static void sigpipe_handler(int n) {
+    (void)n;
+    exit(EXIT_FAILURE);
+}
+
 int main(int argc, char *argv[]) {
+    struct sigaction sigact;
     int do_add_date = 0;
     int do_compress = 0;
     int do_vibrate = 1;
@@ -336,7 +342,9 @@ int main(int argc, char *argv[]) {
     }
     ALOGI("begin\n");
 
-    signal(SIGPIPE, SIG_IGN);
+    memset(&sigact, 0, sizeof(sigact));
+    sigact.sa_handler = sigpipe_handler;
+    sigaction(SIGPIPE, &sigact, NULL);
 
     /* set as high priority, and protect from OOM killer */
     setpriority(PRIO_PROCESS, 0, -20);