Add a new interceptor: paccept(2)

Summary:
paccept(2) is a NetBSD-specific variation of accept(2).

Sponsored by <The NetBSD Foundation>

Reviewers: joerg, vitalybuka, eugenis

Reviewed By: vitalybuka

Subscribers: llvm-commits, kubamracek, #sanitizers

Tags: #sanitizers

Differential Revision: https://reviews.llvm.org/D42052

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@323273 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 74 insertions, 0 deletions

diff --git a/test/sanitizer_common/TestCases/NetBSD/paccept.cc b/test/sanitizer_common/TestCases/NetBSD/paccept.cc
new file mode 100644
index 000000000..7d2eb4e85
--- /dev/null
+++ b/test/sanitizer_common/TestCases/NetBSD/paccept.cc
@@ -0,0 +1,74 @@
+// RUN: %clangxx -O0 -g %s -o %t && %run %t
+
+#include <netinet/in.h>
+#include <sys/socket.h>
+#include <sys/wait.h>
+#include <signal.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+int main(void) {
+  int child;
+  int fd, sfd;
+  socklen_t len;
+  struct sockaddr_in server = {}, client = {};
+  sigset_t set;
+
+  child = fork();
+  if (child == 0) {
+    fd = socket(AF_INET, SOCK_STREAM, 0);
+    if (fd == -1)
+      _exit(1);
+
+    server.sin_family = AF_INET;
+    server.sin_addr.s_addr = INADDR_ANY;
+    server.sin_port = htons(2222);
+
+    if (connect(fd, (struct sockaddr *)&server, sizeof(server)) == -1)
+      _exit(1);
+
+    close(fd);
+
+    _exit(0);
+  }
+
+  fd = socket(AF_INET, SOCK_STREAM, 0);
+  if (fd == -1) {
+    kill(child, SIGKILL);
+    wait(NULL);
+    exit(1);
+  }
+
+  server.sin_family = AF_INET;
+  server.sin_addr.s_addr = INADDR_ANY;
+  server.sin_port = htons(2222);
+
+  if (bind(fd, (const struct sockaddr *)&server, sizeof(server)) == -1) {
+    kill(child, SIGKILL);
+    wait(NULL);
+    exit(1);
+  }
+
+  listen(fd, 3);
+
+  if (sigemptyset(&set) == -1) {
+    kill(child, SIGKILL);
+    wait(NULL);
+    exit(1);
+  }
+
+  len = sizeof(client);
+  sfd = paccept(fd, (struct sockaddr *)&client, &len, &set, SOCK_NONBLOCK);
+  if (sfd == -1) {
+    kill(child, SIGKILL);
+    wait(NULL);
+    exit(1);
+  }
+
+  wait(NULL);
+
+  close(sfd);
+  close(fd);
+
+  return 0;
+}