change array to linked list

CMakeLists.txt

@@ -1,5 +1,5 @@
 cmake_minimum_required(VERSION 2.8)
-project(Atop C)
+project(vperf C)
 
 set(CMAKE_C_STANDARD 11)
 
@@ -11,11 +11,15 @@ set(SOURCES_CODE
         src/SystemInfo.h
         src/ProcessInfo.c
         src/ProcessInfo.h
+        src/list.c
+        src/list.h
+        src/list_iterator.c
+        src/list_node.c
         src/server.c
         src/server.h
         include/cJSON.c
         include/cJSON.h)
 
 find_package (Threads)
-add_executable(Atop ${SOURCES_CODE})
+add_executable(vperf ${SOURCES_CODE})
-target_link_libraries (Atop ${CMAKE_THREAD_LIBS_INIT})
+target_link_libraries (vperf ${CMAKE_THREAD_LIBS_INIT})

cmake-build-debug/Atop.cbp

@@ -103,6 +103,18 @@
 		<Unit filename="/home/iain/Desktop/vperf/src/filter.h">
 			<Option target="Atop"/>
 		</Unit>
+		<Unit filename="/home/iain/Desktop/vperf/src/list.c">
+			<Option target="Atop"/>
+		</Unit>
+		<Unit filename="/home/iain/Desktop/vperf/src/list.h">
+			<Option target="Atop"/>
+		</Unit>
+		<Unit filename="/home/iain/Desktop/vperf/src/list_iterator.c">
+			<Option target="Atop"/>
+		</Unit>
+		<Unit filename="/home/iain/Desktop/vperf/src/list_node.c">
+			<Option target="Atop"/>
+		</Unit>
 		<Unit filename="/home/iain/Desktop/vperf/src/server.c">
 			<Option target="Atop"/>
 		</Unit>

cmake-build-debug/CMakeCache.txt

@@ -136,7 +136,7 @@ CMAKE_PROJECT_DESCRIPTION:STATIC=
 CMAKE_PROJECT_HOMEPAGE_URL:STATIC=
 
 //Value Computed by CMake
-CMAKE_PROJECT_NAME:STATIC=Atop
+CMAKE_PROJECT_NAME:STATIC=vperf
 
 //Path to a program.
 CMAKE_RANLIB:FILEPATH=/usr/bin/ranlib
@@ -206,6 +206,12 @@ ProcessorCount_cmd_nproc:FILEPATH=/usr/bin/nproc
 //Path to a program.
 ProcessorCount_cmd_sysctl:FILEPATH=/usr/sbin/sysctl
 
+//Value Computed by CMake
+vperf_BINARY_DIR:STATIC=/home/iain/Desktop/vperf/cmake-build-debug
+
+//Value Computed by CMake
+vperf_SOURCE_DIR:STATIC=/home/iain/Desktop/vperf
+
 
 ########################
 # INTERNAL cache entries

cmake-build-debug/CMakeFiles/Atop.dir/DependInfo.cmake

@@ -9,6 +9,9 @@ set(CMAKE_DEPENDS_CHECK_C
   "/home/iain/Desktop/vperf/src/ProcessInfo.c" "/home/iain/Desktop/vperf/cmake-build-debug/CMakeFiles/Atop.dir/src/ProcessInfo.c.o"
   "/home/iain/Desktop/vperf/src/SystemInfo.c" "/home/iain/Desktop/vperf/cmake-build-debug/CMakeFiles/Atop.dir/src/SystemInfo.c.o"
   "/home/iain/Desktop/vperf/src/filter.c" "/home/iain/Desktop/vperf/cmake-build-debug/CMakeFiles/Atop.dir/src/filter.c.o"
+  "/home/iain/Desktop/vperf/src/list.c" "/home/iain/Desktop/vperf/cmake-build-debug/CMakeFiles/Atop.dir/src/list.c.o"
+  "/home/iain/Desktop/vperf/src/list_iterator.c" "/home/iain/Desktop/vperf/cmake-build-debug/CMakeFiles/Atop.dir/src/list_iterator.c.o"
+  "/home/iain/Desktop/vperf/src/list_node.c" "/home/iain/Desktop/vperf/cmake-build-debug/CMakeFiles/Atop.dir/src/list_node.c.o"
   "/home/iain/Desktop/vperf/src/server.c" "/home/iain/Desktop/vperf/cmake-build-debug/CMakeFiles/Atop.dir/src/server.c.o"
   )
 set(CMAKE_C_COMPILER_ID "GNU")

cmake-build-debug/CMakeFiles/Atop.dir/build.make

@@ -128,9 +128,48 @@ CMakeFiles/Atop.dir/src/ProcessInfo.c.s: cmake_force
 	@$(CMAKE_COMMAND) -E cmake_echo_color --switch=$(COLOR) --green "Compiling C source to assembly CMakeFiles/Atop.dir/src/ProcessInfo.c.s"
 	/usr/bin/cc $(C_DEFINES) $(C_INCLUDES) $(C_FLAGS) -S /home/iain/Desktop/vperf/src/ProcessInfo.c -o CMakeFiles/Atop.dir/src/ProcessInfo.c.s
 
+CMakeFiles/Atop.dir/src/list.c.o: CMakeFiles/Atop.dir/flags.make
+CMakeFiles/Atop.dir/src/list.c.o: ../src/list.c
+	@$(CMAKE_COMMAND) -E cmake_echo_color --switch=$(COLOR) --green --progress-dir=/home/iain/Desktop/vperf/cmake-build-debug/CMakeFiles --progress-num=$(CMAKE_PROGRESS_5) "Building C object CMakeFiles/Atop.dir/src/list.c.o"
+	/usr/bin/cc $(C_DEFINES) $(C_INCLUDES) $(C_FLAGS) -o CMakeFiles/Atop.dir/src/list.c.o -c /home/iain/Desktop/vperf/src/list.c
+
+CMakeFiles/Atop.dir/src/list.c.i: cmake_force
+	@$(CMAKE_COMMAND) -E cmake_echo_color --switch=$(COLOR) --green "Preprocessing C source to CMakeFiles/Atop.dir/src/list.c.i"
+	/usr/bin/cc $(C_DEFINES) $(C_INCLUDES) $(C_FLAGS) -E /home/iain/Desktop/vperf/src/list.c > CMakeFiles/Atop.dir/src/list.c.i
+
+CMakeFiles/Atop.dir/src/list.c.s: cmake_force
+	@$(CMAKE_COMMAND) -E cmake_echo_color --switch=$(COLOR) --green "Compiling C source to assembly CMakeFiles/Atop.dir/src/list.c.s"
+	/usr/bin/cc $(C_DEFINES) $(C_INCLUDES) $(C_FLAGS) -S /home/iain/Desktop/vperf/src/list.c -o CMakeFiles/Atop.dir/src/list.c.s
+
+CMakeFiles/Atop.dir/src/list_iterator.c.o: CMakeFiles/Atop.dir/flags.make
+CMakeFiles/Atop.dir/src/list_iterator.c.o: ../src/list_iterator.c
+	@$(CMAKE_COMMAND) -E cmake_echo_color --switch=$(COLOR) --green --progress-dir=/home/iain/Desktop/vperf/cmake-build-debug/CMakeFiles --progress-num=$(CMAKE_PROGRESS_6) "Building C object CMakeFiles/Atop.dir/src/list_iterator.c.o"
+	/usr/bin/cc $(C_DEFINES) $(C_INCLUDES) $(C_FLAGS) -o CMakeFiles/Atop.dir/src/list_iterator.c.o -c /home/iain/Desktop/vperf/src/list_iterator.c
+
+CMakeFiles/Atop.dir/src/list_iterator.c.i: cmake_force
+	@$(CMAKE_COMMAND) -E cmake_echo_color --switch=$(COLOR) --green "Preprocessing C source to CMakeFiles/Atop.dir/src/list_iterator.c.i"
+	/usr/bin/cc $(C_DEFINES) $(C_INCLUDES) $(C_FLAGS) -E /home/iain/Desktop/vperf/src/list_iterator.c > CMakeFiles/Atop.dir/src/list_iterator.c.i
+
+CMakeFiles/Atop.dir/src/list_iterator.c.s: cmake_force
+	@$(CMAKE_COMMAND) -E cmake_echo_color --switch=$(COLOR) --green "Compiling C source to assembly CMakeFiles/Atop.dir/src/list_iterator.c.s"
+	/usr/bin/cc $(C_DEFINES) $(C_INCLUDES) $(C_FLAGS) -S /home/iain/Desktop/vperf/src/list_iterator.c -o CMakeFiles/Atop.dir/src/list_iterator.c.s
+
+CMakeFiles/Atop.dir/src/list_node.c.o: CMakeFiles/Atop.dir/flags.make
+CMakeFiles/Atop.dir/src/list_node.c.o: ../src/list_node.c
+	@$(CMAKE_COMMAND) -E cmake_echo_color --switch=$(COLOR) --green --progress-dir=/home/iain/Desktop/vperf/cmake-build-debug/CMakeFiles --progress-num=$(CMAKE_PROGRESS_7) "Building C object CMakeFiles/Atop.dir/src/list_node.c.o"
+	/usr/bin/cc $(C_DEFINES) $(C_INCLUDES) $(C_FLAGS) -o CMakeFiles/Atop.dir/src/list_node.c.o -c /home/iain/Desktop/vperf/src/list_node.c
+
+CMakeFiles/Atop.dir/src/list_node.c.i: cmake_force
+	@$(CMAKE_COMMAND) -E cmake_echo_color --switch=$(COLOR) --green "Preprocessing C source to CMakeFiles/Atop.dir/src/list_node.c.i"
+	/usr/bin/cc $(C_DEFINES) $(C_INCLUDES) $(C_FLAGS) -E /home/iain/Desktop/vperf/src/list_node.c > CMakeFiles/Atop.dir/src/list_node.c.i
+
+CMakeFiles/Atop.dir/src/list_node.c.s: cmake_force
+	@$(CMAKE_COMMAND) -E cmake_echo_color --switch=$(COLOR) --green "Compiling C source to assembly CMakeFiles/Atop.dir/src/list_node.c.s"
+	/usr/bin/cc $(C_DEFINES) $(C_INCLUDES) $(C_FLAGS) -S /home/iain/Desktop/vperf/src/list_node.c -o CMakeFiles/Atop.dir/src/list_node.c.s
+
 CMakeFiles/Atop.dir/src/server.c.o: CMakeFiles/Atop.dir/flags.make
 CMakeFiles/Atop.dir/src/server.c.o: ../src/server.c
-	@$(CMAKE_COMMAND) -E cmake_echo_color --switch=$(COLOR) --green --progress-dir=/home/iain/Desktop/vperf/cmake-build-debug/CMakeFiles --progress-num=$(CMAKE_PROGRESS_5) "Building C object CMakeFiles/Atop.dir/src/server.c.o"
+	@$(CMAKE_COMMAND) -E cmake_echo_color --switch=$(COLOR) --green --progress-dir=/home/iain/Desktop/vperf/cmake-build-debug/CMakeFiles --progress-num=$(CMAKE_PROGRESS_8) "Building C object CMakeFiles/Atop.dir/src/server.c.o"
 	/usr/bin/cc $(C_DEFINES) $(C_INCLUDES) $(C_FLAGS) -o CMakeFiles/Atop.dir/src/server.c.o -c /home/iain/Desktop/vperf/src/server.c
 
 CMakeFiles/Atop.dir/src/server.c.i: cmake_force
@@ -143,7 +182,7 @@ CMakeFiles/Atop.dir/src/server.c.s: cmake_force
 
 CMakeFiles/Atop.dir/include/cJSON.c.o: CMakeFiles/Atop.dir/flags.make
 CMakeFiles/Atop.dir/include/cJSON.c.o: ../include/cJSON.c
-	@$(CMAKE_COMMAND) -E cmake_echo_color --switch=$(COLOR) --green --progress-dir=/home/iain/Desktop/vperf/cmake-build-debug/CMakeFiles --progress-num=$(CMAKE_PROGRESS_6) "Building C object CMakeFiles/Atop.dir/include/cJSON.c.o"
+	@$(CMAKE_COMMAND) -E cmake_echo_color --switch=$(COLOR) --green --progress-dir=/home/iain/Desktop/vperf/cmake-build-debug/CMakeFiles --progress-num=$(CMAKE_PROGRESS_9) "Building C object CMakeFiles/Atop.dir/include/cJSON.c.o"
 	/usr/bin/cc $(C_DEFINES) $(C_INCLUDES) $(C_FLAGS) -o CMakeFiles/Atop.dir/include/cJSON.c.o -c /home/iain/Desktop/vperf/include/cJSON.c
 
 CMakeFiles/Atop.dir/include/cJSON.c.i: cmake_force
@@ -160,6 +199,9 @@ Atop_OBJECTS = \
 "CMakeFiles/Atop.dir/src/filter.c.o" \
 "CMakeFiles/Atop.dir/src/SystemInfo.c.o" \
 "CMakeFiles/Atop.dir/src/ProcessInfo.c.o" \
+"CMakeFiles/Atop.dir/src/list.c.o" \
+"CMakeFiles/Atop.dir/src/list_iterator.c.o" \
+"CMakeFiles/Atop.dir/src/list_node.c.o" \
 "CMakeFiles/Atop.dir/src/server.c.o" \
 "CMakeFiles/Atop.dir/include/cJSON.c.o"
 
@@ -170,11 +212,14 @@ Atop: CMakeFiles/Atop.dir/main.c.o
 Atop: CMakeFiles/Atop.dir/src/filter.c.o
 Atop: CMakeFiles/Atop.dir/src/SystemInfo.c.o
 Atop: CMakeFiles/Atop.dir/src/ProcessInfo.c.o
+Atop: CMakeFiles/Atop.dir/src/list.c.o
+Atop: CMakeFiles/Atop.dir/src/list_iterator.c.o
+Atop: CMakeFiles/Atop.dir/src/list_node.c.o
 Atop: CMakeFiles/Atop.dir/src/server.c.o
 Atop: CMakeFiles/Atop.dir/include/cJSON.c.o
 Atop: CMakeFiles/Atop.dir/build.make
 Atop: CMakeFiles/Atop.dir/link.txt
-	@$(CMAKE_COMMAND) -E cmake_echo_color --switch=$(COLOR) --green --bold --progress-dir=/home/iain/Desktop/vperf/cmake-build-debug/CMakeFiles --progress-num=$(CMAKE_PROGRESS_7) "Linking C executable Atop"
+	@$(CMAKE_COMMAND) -E cmake_echo_color --switch=$(COLOR) --green --bold --progress-dir=/home/iain/Desktop/vperf/cmake-build-debug/CMakeFiles --progress-num=$(CMAKE_PROGRESS_10) "Linking C executable Atop"
 	$(CMAKE_COMMAND) -E cmake_link_script CMakeFiles/Atop.dir/link.txt --verbose=$(VERBOSE)
 
 # Rule to build all files generated by this target.

cmake-build-debug/CMakeFiles/Atop.dir/cmake_clean.cmake

@@ -6,6 +6,9 @@ file(REMOVE_RECURSE
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   "CMakeFiles/Atop.dir/src/SystemInfo.c.o"
   "CMakeFiles/Atop.dir/src/filter.c.o"
+  "CMakeFiles/Atop.dir/src/list.c.o"
+  "CMakeFiles/Atop.dir/src/list_iterator.c.o"
+  "CMakeFiles/Atop.dir/src/list_node.c.o"
   "CMakeFiles/Atop.dir/src/server.c.o"
 )
 

cmake-build-debug/CMakeFiles/Atop.dir/depend.make

@@ -8,10 +8,12 @@ CMakeFiles/Atop.dir/main.c.o: ../main.c
 CMakeFiles/Atop.dir/main.c.o: ../src/ProcessInfo.h
 CMakeFiles/Atop.dir/main.c.o: ../src/SystemInfo.h
 CMakeFiles/Atop.dir/main.c.o: ../src/filter.h
+CMakeFiles/Atop.dir/main.c.o: ../src/list.h
 CMakeFiles/Atop.dir/main.c.o: ../src/server.h
 
 CMakeFiles/Atop.dir/src/ProcessInfo.c.o: ../src/ProcessInfo.c
 CMakeFiles/Atop.dir/src/ProcessInfo.c.o: ../src/ProcessInfo.h
+CMakeFiles/Atop.dir/src/ProcessInfo.c.o: ../src/list.h
 
 CMakeFiles/Atop.dir/src/SystemInfo.c.o: ../src/SystemInfo.c
 CMakeFiles/Atop.dir/src/SystemInfo.c.o: ../src/SystemInfo.h
@@ -19,6 +21,16 @@ CMakeFiles/Atop.dir/src/SystemInfo.c.o: ../src/SystemInfo.h
 CMakeFiles/Atop.dir/src/filter.c.o: ../src/ProcessInfo.h
 CMakeFiles/Atop.dir/src/filter.c.o: ../src/filter.c
 CMakeFiles/Atop.dir/src/filter.c.o: ../src/filter.h
+CMakeFiles/Atop.dir/src/filter.c.o: ../src/list.h
+
+CMakeFiles/Atop.dir/src/list.c.o: ../src/list.c
+CMakeFiles/Atop.dir/src/list.c.o: ../src/list.h
+
+CMakeFiles/Atop.dir/src/list_iterator.c.o: ../src/list.h
+CMakeFiles/Atop.dir/src/list_iterator.c.o: ../src/list_iterator.c
+
+CMakeFiles/Atop.dir/src/list_node.c.o: ../src/list.h
+CMakeFiles/Atop.dir/src/list_node.c.o: ../src/list_node.c
 
 CMakeFiles/Atop.dir/src/server.c.o: ../src/server.c
 CMakeFiles/Atop.dir/src/server.c.o: ../src/server.h

cmake-build-debug/CMakeFiles/Atop.dir/link.txt

@@ -1 +1 @@
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+/usr/bin/cc -g -rdynamic CMakeFiles/Atop.dir/main.c.o CMakeFiles/Atop.dir/src/filter.c.o CMakeFiles/Atop.dir/src/SystemInfo.c.o CMakeFiles/Atop.dir/src/ProcessInfo.c.o CMakeFiles/Atop.dir/src/list.c.o CMakeFiles/Atop.dir/src/list_iterator.c.o CMakeFiles/Atop.dir/src/list_node.c.o CMakeFiles/Atop.dir/src/server.c.o CMakeFiles/Atop.dir/include/cJSON.c.o -o Atop  -lpthread 

cmake-build-debug/CMakeFiles/Atop.dir/progress.make

@@ -5,4 +5,7 @@ CMAKE_PROGRESS_4 = 4
 CMAKE_PROGRESS_5 = 5
 CMAKE_PROGRESS_6 = 6
 CMAKE_PROGRESS_7 = 7
+CMAKE_PROGRESS_8 = 8
+CMAKE_PROGRESS_9 = 9
+CMAKE_PROGRESS_10 = 10
 

cmake-build-debug/CMakeFiles/Makefile.cmake

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--- Looking for pthread_create in pthread
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 # Build rule for target.
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-	$(MAKE) $(MAKESILENT) -f CMakeFiles/Makefile2 Atop
+	$(MAKE) $(MAKESILENT) -f CMakeFiles/Makefile2 vperf
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 include/cJSON.c.o:
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 include/cJSON.c.s:
-	$(MAKE) $(MAKESILENT) -f CMakeFiles/Atop.dir/build.make CMakeFiles/Atop.dir/include/cJSON.c.s
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 # target to build an object file
 main.c.o:
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 # target to build an object file
 src/filter.c.o:
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 src/filter.c.s:
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 src/server.c.o:
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@@ -312,7 +393,7 @@ help:
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 	@echo "... edit_cache"
 	@echo "... rebuild_cache"
-	@echo "... Atop"
+	@echo "... vperf"
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 	@echo "... include/cJSON.i"
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@@ -328,6 +409,15 @@ help:
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 	@echo "... src/filter.i"
 	@echo "... src/filter.s"
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+	@echo "... src/list.i"
+	@echo "... src/list.s"
+	@echo "... src/list_iterator.o"
+	@echo "... src/list_iterator.i"
+	@echo "... src/list_iterator.s"
+	@echo "... src/list_node.o"
+	@echo "... src/list_node.i"
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cmake-build-debug/Testing/Temporary/LastTest.log

@@ -1,3 +1,3 @@
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 ----------------------------------------------------------
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main.c

@@ -12,7 +12,7 @@ int main() {
     int rc;
     pthread_t unix_domain_server;
 
-    freeProcInfoList();
+    initProcList();
 
     //init
     //get   /data/data/dir
@@ -24,7 +24,7 @@ int main() {
     while (1) {
         i++;
         printf("\nloop:%d\n", i);
-        usleep(600000 / UPDATE_FREQUENCY * 0.98);
+        usleep(60000000 / UPDATE_FREQUENCY * 0.98);
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         //monitor Proc_List

src/ProcessInfo.c

@@ -17,53 +17,54 @@
 #define STAT_VSZ    22
 #define STAT_RSS    23
 
-extern Proc_Info Proc_List[LIMIT_PROCESS_NUMBER];
+//Global Process Info Node List
+list_t Proc_List;
 
-inline void freeProcInfo(Proc_Info *proc) {
+void printProcInfo(Proc_Info *pProcInfo) {
+    printf("PID:%d,name:%s,point:%d\n", pProcInfo->pid, pProcInfo->name, pProcInfo->point);
     int i;
-    proc->pid = 0;
+    printf("cpu:");
-    proc->point = 0;
-    strcpy(proc->name, "");
     for (i = 0; i < UPDATE_FREQUENCY; i++) {
-        proc->cpuInfo[i].utime = 0;
+        printf("s=%ld u=%ld,", pProcInfo->cpuInfo[i].stime, pProcInfo->cpuInfo[i].utime);
-        proc->cpuInfo[i].stime = 0;
-        proc->memInfo[i].vsz = 0;
-        proc->memInfo[i].vsz = 0;
     }
-
+    printf("\n");
-    return;
+    printf("mem:");
+    for (i = 0; i < UPDATE_FREQUENCY; i++) {
+        printf("vsz=%ld rss=%ld,", pProcInfo->memInfo[i].vsz, pProcInfo->memInfo[i].rss);
+    }
+    printf("\n");
 }
 
-void freeProcInfoList() {
+struct Proc_Info_ *newProcInfo(unsigned int pid, char name[LIMIT_PROCESS_Name_Length]) {
-    int i;
+    struct Proc_Info_ *proc;
-    for (i = 0; i < LIMIT_PROCESS_NUMBER; i++) {
+    proc = (struct Proc_Info_ *) malloc(sizeof(struct Proc_Info_));
-        freeProcInfo(&Proc_List[i]);
+    memset(proc, 0, sizeof(struct Proc_Info_));
-    }
+    proc->pid = pid;
-    return;
+    strcpy(proc->name, name);
+#if defined(LOG)
+    printf("newProcInfoNode-Create:");
+    printProcInfo(proc);
+#endif
+    return proc;
 }
 
 //not found,return -1
 //found,return id
 int foundProcNode(unsigned int pid) {
-    int i;
+    list_node_t *node;
-    for (i = 0; i < LIMIT_PROCESS_NUMBER; i++) {
+    list_iterator_t *it = list_iterator_new(&Proc_List, LIST_HEAD);
-        if ((Proc_List + i)->pid == pid) {
+
-            return i;
+    while ((node = list_iterator_next(it))) {
-        }
+        struct Proc_Info_ *proc_node;
+        proc_node = (struct Proc_Info_ *) node->val;
+        if (proc_node->pid == pid) {
+            return 0;
+        };
     }
     return -1;
 }
 
-int foundFreeProcNode() {
+int setProcNode(unsigned int pid) {
-    int i;
-    i = foundProcNode(0);
-    if (i == -1) {
-        perror("No free procInfo node in procList");
-    }
-    return i;
-}
-
-int setFreeProcNode(unsigned int pid) {
     //found PID name
     char buf[BUFFER_SIZE_PROC_STATUS] = {0};
     char PID_name[LIMIT_PROCESS_Name_Length] = {0};
@@ -81,19 +82,16 @@ int setFreeProcNode(unsigned int pid) {
     sscanf(buf, "Name: %s", PID_name);
     fclose(fp);
 
-    //compare PID name with whitelist
+    //compare PID name with whitelist and regex
 
     //check PID in ProcList
-    if (foundProcNode(pid) != -1) {
+    if (foundProcNode(pid) == 0) {
         return -1;
     }
 
-    //found free Proc Node
-    int i = foundFreeProcNode();
-
     //set Proc Info
-    Proc_List[i].pid = pid;
+    struct Proc_Info_ *proc = newProcInfo(pid, PID_name);
-    strcpy(Proc_List[i].name, PID_name);
+    list_rpush(&Proc_List, (void *) list_node_new(proc));
     return 0;
 }
 
@@ -107,7 +105,7 @@ int monitorProcDirChange() {
         perror("scandir /proc");
     else {
         while (n--) {
-            printf("%s\n", namelist[n]->d_name);
+            //printf("%s\n", namelist[n]->d_name);
             free(namelist[n]);
         }
         free(namelist);
@@ -222,36 +220,47 @@ int updateProcInfo(Proc_Info *proc) {
     proc->cpuInfo[proc->point].utime = utime;
     proc->cpuInfo[proc->point].stime = stime;
     proc->memInfo[proc->point].vsz = vsz;
-    proc->memInfo[proc->point].rss = rss * 4;
+    proc->memInfo[proc->point].rss = rss * 4 * 1024;
     fclose(fd);
 
     return 0;
 }
 
+void initProcList() {
+    list_t *pProc_List = list_new();
+    Proc_List = *pProc_List;
+}
+
 void updateProcList() {
 #if defined(LOG)
     printf("/****** Proc Info ******/\n");
     monitorProcDirChange();
-    int i;
+
-    for (i = 0; i < LIMIT_PROCESS_NUMBER; i++) {
+    setProcNode(1);
-        printf("id=%d,", Proc_List[i].pid);
+    setProcNode(150361);
-    }
-    printf("\n");
-    setFreeProcNode(1);
 #endif
+
     char file_path[64] = {0};
-    int currentProcNode;
+    struct Proc_Info_ *proc_node;
-    for (currentProcNode = 0; currentProcNode < LIMIT_PROCESS_NUMBER; currentProcNode++) {
+    list_node_t *node;
-        //check PID
+    list_iterator_t *it = list_iterator_new(&Proc_List, LIST_HEAD);
-        if (Proc_List[currentProcNode].pid != 0) {
+
-            if (updateProcInfo(&Proc_List[currentProcNode]) == -1) {
+    while ((node = list_iterator_next(it))) {
-                //check path exist
+        proc_node = (struct Proc_Info_ *) node->val;
-                sprintf(file_path, "/proc/%d", Proc_List[currentProcNode].pid);
+        printProcInfo(proc_node);
-                if (access(file_path, F_OK)) {
+        if (updateProcInfo(proc_node) == -1) {
-                    freeProcInfo(&Proc_List[currentProcNode]);
+            //check path exist
-                }
+            sprintf(file_path, "/proc/%d", proc_node->pid);
+            if (access(file_path, F_OK)) {
+                list_node_t *node_to_delete = node;
+                printf("remove proc list node due to cannot access /proc/PID");
+                node = list_iterator_next(it);
+                list_remove(&Proc_List, node_to_delete);
+                free(proc_node);
             };
-        }
+
+        };
     }
+
     return;
 }

src/ProcessInfo.h

@@ -9,6 +9,8 @@
 #define LIMIT_PROCESS_NUMBER 64       //max monitor 64 process
 #define LIMIT_PROCESS_Name_Length 128
 
+#include "list.h"
+
 //proc/PID/stat
 typedef struct Proc_CPU_Time_ {
     unsigned long utime;  //user time
@@ -29,10 +31,6 @@ typedef struct Proc_Info_ {
     Proc_Mem memInfo[UPDATE_FREQUENCY];
 } Proc_Info;
 
-void freeProcInfo(Proc_Info *proc);
-
-void freeProcInfoList();
-
 //kill this process
 void findProcListByMem();
 
@@ -41,6 +39,6 @@ void findProcListByCPU();
 
 void updateProcList();
 
-Proc_Info Proc_List[LIMIT_PROCESS_NUMBER]; //max monitor 64 process
+void initProcList();
 
 #endif //ATOP_PROCESSINFO_H

src/list.c

@@ -0,0 +1,182 @@
+
+#include "list.h"
+
+/*
+ * Allocate a new list_t. NULL on failure.
+ */
+
+list_t *list_new(void) {
+    list_t *self;
+    if (!(self = LIST_MALLOC(sizeof(list_t))))
+        return NULL;
+    self->head = NULL;
+    self->tail = NULL;
+    self->free = NULL;
+    self->match = NULL;
+    self->len = 0;
+    return self;
+}
+
+/*
+ * Free the list.
+ */
+
+void list_destroy(list_t *self) {
+    unsigned int len = self->len;
+    list_node_t *next;
+    list_node_t *curr = self->head;
+
+    while (len--) {
+        next = curr->next;
+        if (self->free) self->free(curr->val);
+        LIST_FREE(curr);
+        curr = next;
+    }
+
+    LIST_FREE(self);
+}
+
+/*
+ * Append the given node to the list
+ * and return the node, NULL on failure.
+ */
+
+list_node_t *list_rpush(list_t *self, list_node_t *node) {
+    if (!node) return NULL;
+    if (self->len) {
+        node->prev = self->tail;
+        node->next = NULL;
+        self->tail->next = node;
+        self->tail = node;
+    } else {
+        self->head = self->tail = node;
+        node->prev = node->next = NULL;
+    }
+
+    ++self->len;
+    return node;
+}
+
+/*
+ * Return / detach the last node in the list, or NULL.
+ */
+
+list_node_t *list_rpop(list_t *self) {
+    if (!self->len) return NULL;
+
+    list_node_t *node = self->tail;
+
+    if (--self->len) {
+        (self->tail = node->prev)->next = NULL;
+    } else {
+        self->tail = self->head = NULL;
+    }
+
+    node->next = node->prev = NULL;
+    return node;
+}
+
+/*
+ * Return / detach the first node in the list, or NULL.
+ */
+
+list_node_t *list_lpop(list_t *self) {
+    if (!self->len) return NULL;
+
+    list_node_t *node = self->head;
+
+    if (--self->len) {
+        (self->head = node->next)->prev = NULL;
+    } else {
+        self->head = self->tail = NULL;
+    }
+
+    node->next = node->prev = NULL;
+    return node;
+}
+
+/*
+ * Prepend the given node to the list
+ * and return the node, NULL on failure.
+ */
+
+list_node_t *list_lpush(list_t *self, list_node_t *node) {
+    if (!node) return NULL;
+
+    if (self->len) {
+        node->next = self->head;
+        node->prev = NULL;
+        self->head->prev = node;
+        self->head = node;
+    } else {
+        self->head = self->tail = node;
+        node->prev = node->next = NULL;
+    }
+
+    ++self->len;
+    return node;
+}
+
+/*
+ * Return the node associated to val or NULL.
+ */
+
+list_node_t *list_find(list_t *self, void *val) {
+    list_iterator_t *it = list_iterator_new(self, LIST_HEAD);
+    list_node_t *node;
+
+    while ((node = list_iterator_next(it))) {
+        if (self->match) {
+            if (self->match(val, node->val)) {
+                list_iterator_destroy(it);
+                return node;
+            }
+        } else {
+            if (val == node->val) {
+                list_iterator_destroy(it);
+                return node;
+            }
+        }
+    }
+
+    list_iterator_destroy(it);
+    return NULL;
+}
+
+/*
+ * Return the node at the given index or NULL.
+ */
+
+list_node_t *list_at(list_t *self, int index) {
+    list_direction_t direction = LIST_HEAD;
+
+    if (index < 0) {
+        direction = LIST_TAIL;
+        index = ~index;
+    }
+
+    if ((unsigned) index < self->len) {
+        list_iterator_t *it = list_iterator_new(self, direction);
+        list_node_t *node = list_iterator_next(it);
+        while (index--) node = list_iterator_next(it);
+        list_iterator_destroy(it);
+        return node;
+    }
+
+    return NULL;
+}
+
+/*
+ * Remove the given node from the list, freeing it and it's value.
+ */
+
+void list_remove(list_t *self, list_node_t *node) {
+    node->prev ? (node->prev->next = node->next) : (self->head = node->next);
+
+    node->next ? (node->next->prev = node->prev) : (self->tail = node->prev);
+
+    if (self->free) self->free(node->val);
+
+    LIST_FREE(node);
+    --self->len;
+}

src/list.h

@@ -0,0 +1,130 @@
+
+//
+// list.h
+//
+// Copyright (c) 2010 TJ Holowaychuk <tj@vision-media.ca>
+//
+
+#ifndef __CLIBS_LIST_H__
+#define __CLIBS_LIST_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdlib.h>
+
+// Library version
+
+#define LIST_VERSION "0.2.0"
+
+// Memory management macros
+#ifdef LIST_CONFIG_H
+#define _STR(x) #x
+#define STR(x) _STR(x)
+#include STR(LIST_CONFIG_H)
+#undef _STR
+#undef STR
+#endif
+
+#ifndef LIST_MALLOC
+#define LIST_MALLOC malloc
+#endif
+
+#ifndef LIST_FREE
+#define LIST_FREE free
+#endif
+
+/*
+ * list_t iterator direction.
+ */
+
+typedef enum {
+    LIST_HEAD
+  , LIST_TAIL
+} list_direction_t;
+
+/*
+ * list_t node struct.
+ */
+
+typedef struct list_node {
+  struct list_node *prev;
+  struct list_node *next;
+  void *val;
+} list_node_t;
+
+/*
+ * list_t struct.
+ */
+
+typedef struct {
+  list_node_t *head;
+  list_node_t *tail;
+  unsigned int len;
+  void (*free)(void *val);
+  int (*match)(void *a, void *b);
+} list_t;
+
+/*
+ * list_t iterator struct.
+ */
+
+typedef struct {
+  list_node_t *next;
+  list_direction_t direction;
+} list_iterator_t;
+
+// Node prototypes.
+
+list_node_t *
+list_node_new(void *val);
+
+// list_t prototypes.
+
+list_t *
+list_new(void);
+
+list_node_t *
+list_rpush(list_t *self, list_node_t *node);
+
+list_node_t *
+list_lpush(list_t *self, list_node_t *node);
+
+list_node_t *
+list_find(list_t *self, void *val);
+
+list_node_t *
+list_at(list_t *self, int index);
+
+list_node_t *
+list_rpop(list_t *self);
+
+list_node_t *
+list_lpop(list_t *self);
+
+void
+list_remove(list_t *self, list_node_t *node);
+
+void
+list_destroy(list_t *self);
+
+// list_t iterator prototypes.
+
+list_iterator_t *
+list_iterator_new(list_t *list, list_direction_t direction);
+
+list_iterator_t *
+list_iterator_new_from_node(list_node_t *node, list_direction_t direction);
+
+list_node_t *
+list_iterator_next(list_iterator_t *self);
+
+void
+list_iterator_destroy(list_iterator_t *self);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __CLIBS_LIST_H__ */

src/list_iterator.c

@@ -0,0 +1,61 @@
+
+//
+// iterator.c
+//
+// Copyright (c) 2010 TJ Holowaychuk <tj@vision-media.ca>
+//
+
+#include "list.h"
+
+/*
+ * Allocate a new list_iterator_t. NULL on failure.
+ * Accepts a direction, which may be LIST_HEAD or LIST_TAIL.
+ */
+
+list_iterator_t *
+list_iterator_new(list_t *list, list_direction_t direction) {
+    list_node_t *node = direction == LIST_HEAD
+                        ? list->head
+                        : list->tail;
+    return list_iterator_new_from_node(node, direction);
+}
+
+/*
+ * Allocate a new list_iterator_t with the given start
+ * node. NULL on failure.
+ */
+
+list_iterator_t *
+list_iterator_new_from_node(list_node_t *node, list_direction_t direction) {
+    list_iterator_t *self;
+    if (!(self = LIST_MALLOC(sizeof(list_iterator_t))))
+        return NULL;
+    self->next = node;
+    self->direction = direction;
+    return self;
+}
+
+/*
+ * Return the next list_node_t or NULL when no more
+ * nodes remain in the list.
+ */
+
+list_node_t *list_iterator_next(list_iterator_t *self) {
+    list_node_t *curr = self->next;
+    if (curr) {
+        self->next = self->direction == LIST_HEAD
+                     ? curr->next
+                     : curr->prev;
+    }
+    return curr;
+}
+
+/*
+ * Free the list iterator.
+ */
+
+void
+list_iterator_destroy(list_iterator_t *self) {
+    LIST_FREE(self);
+    self = NULL;
+}

src/list_node.c

@@ -0,0 +1,23 @@
+
+//
+// node.c
+//
+// Copyright (c) 2010 TJ Holowaychuk <tj@vision-media.ca>
+//
+
+#include "list.h"
+
+/*
+ * Allocates a new list_node_t. NULL on failure.
+ */
+
+list_node_t *
+list_node_new(void *val) {
+  list_node_t *self;
+  if (!(self = LIST_MALLOC(sizeof(list_node_t))))
+    return NULL;
+  self->prev = NULL;
+  self->next = NULL;
+  self->val = val;
+  return self;
+}