Process abstraction layer for NaCl

src/trusted/platform/nacl_process_test.c

+/*
+ * Copyright (c) 2012 The Native Client Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include <stdio.h>
+
+#include "native_client/src/include/portability.h"
+#include "native_client/src/include/nacl_macros.h"
+
+#include "native_client/src/shared/platform/nacl_check.h"
+#include "native_client/src/shared/platform/nacl_exit.h"
+#include "native_client/src/shared/platform/nacl_log.h"
+#include "native_client/src/shared/platform/platform_init.h"
+
+#include "native_client/src/trusted/platform/nacl_process.h"
+
+int main(int argc, char **argv) {
+  struct NaClProcess proc;
+  char *args[] = { argv[0], "-e", "0", NULL };
+  int exit_code = -1;
+  int opt;
+
+  while (EOF != (opt = getopt(argc, argv, "e:"))) {
+    switch (opt) {
+      case 'e':
+        exit_code = strtoul(optarg, (char **) NULL, 0);
+      default:
+        fprintf(stderr,
+                "Usage: nacl_process_test [args]\n"
+                "  -e N   program exit code\n");
+        goto cleanup0;
+    }
+  }
+
+  if (-1 != exit_code) {
+    goto cleanup0;
+  }
+
+  NaClPlatformInit();
+
+  if (NaClProcessLaunch(&proc, args, NULL, 0) < 0) {
+    fprintf(stderr,
+            "nacl_process_test: could not launch process %s\n",
+            argv[0]);
+    goto cleanup1;
+  }
+
+  if (!NaClProcessWaitForExitCode(&proc, &exit_code)) {
+    fprintf(stderr,
+            "nacl_process_test: failed waiting for process exit code\n");
+  }
+
+  if (0 == exit_code) {
+    printf("SUCCESS\n");
+  }
+
+ cleanup1:
+  NaClPlatformFini();

[Mark Seaborn, 2012/08/24 00:22:42]

You don't really need to call this before exiting.  It would be simpler not to
call it.

+ cleanup0:
+  return exit_code;
+}