Unify signal handling in C

test/core/iomgr/tcp_posix_test.c

@@ -36,7 +36,6 @@
 #include <errno.h>
 #include <fcntl.h>
 #include <string.h>
-#include <signal.h>
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <unistd.h>
@@ -491,8 +490,6 @@ static grpc_endpoint_test_config configs[] = {
 int main(int argc, char **argv) {
   grpc_test_init(argc, argv);
   grpc_iomgr_init();
-  /* disable SIGPIPE */
-  signal(SIGPIPE, SIG_IGN);
   run_tests();
   grpc_endpoint_tests(configs[0]);
   grpc_iomgr_shutdown();

test/core/transport/chttp2_transport_end2end_test.c

@@ -107,9 +107,6 @@ grpc_transport_test_config fixture_configs[] = {
 int main(int argc, char **argv) {
   size_t i;
 
-  /* disable SIGPIPE */
-  signal(SIGPIPE, SIG_IGN);
-
   grpc_test_init(argc, argv);
   grpc_iomgr_init();
 

test/core/util/test_config.c

@@ -34,9 +34,12 @@
 #include "test/core/util/test_config.h"
 
 #include <stdlib.h>
+#include <signal.h>
 #include <unistd.h>
 
 void grpc_test_init(int argc, char **argv) {
+  /* disable SIGPIPE */
+  signal(SIGPIPE, SIG_IGN);
   /* seed rng with pid, so we don't end up with the same random numbers as a
      concurrently running test binary */
   srand(getpid());