fflush before _exit()

svn path=/trunk/boinc/; revision=8516

api/boinc_api.C

@@ -385,7 +385,7 @@ void boinc_exit(int status) {
     // This is not pretty but unless someone finds a cleaner solution, 
     // we handle the Mac-case separately .
 #ifdef __APPLE_CC__
-    fflush(stderr);
+    fflush(NULL);
     _exit(status);
 #else
     exit(status);

checkin_notes

@@ -12773,3 +12773,15 @@ David  5 Oct 2005
 Rom    5 Oct 2005 (staging)
     - Tag for 5.1.7 release, all platforms
       boinc_core_release_5_1_7
+
+David  5 Oct 2005
+    - before any _exit() (API, app start, etc.) do a fflush(NULL)
+        (from Bruce Allen)
+
+    api/
+        boinc_api.C
+    client/
+        app_start.C
+        cs_benchmark.C
+    clientgui/mac/
+        mac_saver_module.cpp

client/app_start.C

@@ -442,6 +442,7 @@ int ACTIVE_TASK::start(bool first_time) {
         retval = chdir(slot_dir);
         if (retval) {
             perror("chdir");
+            fflush(NULL);
             _exit(retval);
         }
 
@@ -460,6 +461,7 @@ int ACTIVE_TASK::start(bool first_time) {
             "execv(%s) failed: %s\n", buf, boincerror(retval)
         );
         perror("execv");
+        fflush(NULL);
         _exit(errno);
     }
 

client/cs_benchmark.C

@@ -168,7 +168,7 @@ DWORD WINAPI win_cpu_benchmarks(LPVOID p) {
 #endif
 
 void CLIENT_STATE::start_cpu_benchmarks() {
-    int i;
+    int i, retval;
 
     SCOPE_MSG_LOG scope_messages(log_messages, CLIENT_MSG_LOG::DEBUG_MEASUREMENT);
 
@@ -208,7 +208,9 @@ void CLIENT_STATE::start_cpu_benchmarks() {
         sprintf(benchmark_descs[i].filename, "%s_%d.xml", CPU_BENCHMARKS_FILE_NAME, i);
         PROCESS_ID pid = fork();
         if (pid == 0) {
-            _exit(cpu_benchmarks(benchmark_descs+i));
+            retval = cpu_benchmarks(benchmark_descs+i);
+            fflush(NULL);
+            _exit(retval);
         } else {
             benchmark_descs[i].pid = pid;
         }

clientgui/mac/mac_saver_module.cpp

@@ -208,10 +208,12 @@ OSStatus initBOINCApp() {
         status = chdir(buf);
         if (status) {
             perror("chdir");
+            fflush(NULL);
             _exit(status);
         }
 
         status = execl(boincPath, "boinc", "-redirectio", (char *) 0);
+        fflush(NULL);
         _exit(127);         // execl error (execl should never return)
     } else {
         CoreClientPID = myPid;		// make this available globally