Bug 950401 - Add process logging to OS X / BSD. r=bsmedberg

MozReview-Commit-ID: bEPQabbSP1

--HG--
extra : rebase_source : 115312fdb0f29a5914c5dcccb9d7ba7eae943ce0

ipc/chromium/src/base/process_util_bsd.cc

@@ -17,6 +17,12 @@
 #include "nspr.h"
 #include "base/eintr_wrapper.h"
 
+namespace {
+
+static mozilla::EnvironmentLog gProcessLog("MOZ_PROCESS_LOG");
+
+}  // namespace
+
 namespace base {
 
 void FreeEnvVarsArray(char* array[], int length)
@@ -135,6 +141,8 @@ bool LaunchApp(const std::vector<std::string>& argv,
   if (!spawn_succeeded || !process_handle_valid) {
     retval = false;
   } else {
+    gProcessLog.print("==> process %d launched child process %d\n",
+                      GetCurrentProcId(), pid);
     if (wait)
       HANDLE_EINTR(waitpid(pid, 0, 0));
 

ipc/chromium/src/base/process_util_mac.mm

@@ -18,6 +18,12 @@
 #include "base/string_util.h"
 #include "base/time.h"
 
+namespace {
+
+static mozilla::EnvironmentLog gProcessLog("MOZ_PROCESS_LOG");
+
+}  // namespace
+
 namespace base {
 
 void FreeEnvVarsArray(char* array[], int length)
@@ -170,6 +176,8 @@ bool LaunchApp(const std::vector<std::string>& argv,
   if (!spawn_succeeded || !process_handle_valid) {
     retval = false;
   } else {
+    gProcessLog.print("==> process %d launched child process %d\n",
+                      GetCurrentProcId(), pid);
     if (wait)
       HANDLE_EINTR(waitpid(pid, 0, 0));