@@ -87,14 +87,16 @@ long long current_time_m()
 	return t;
 }
 
-int save_pid(char * path) {
+int save_pid(const char * path) {
 	pid_t pid = getppid();
 	FILE *fp = fopen(path, "w+");
     if (!fp) {
 		printf("open file fail\n");
         return 0;
     }
-    fwrite(&pid, sizeof(pid), 1, fp);
+    char str[10];
+    sprintf(str, "%d", pid);
+    fwrite(str, strlen(str), 1, fp);
     fclose(fp);
     fp = NULL;
 
 
@@ -12,7 +12,7 @@
 extern "C" {
 #endif /* __cplusplus */
 
-
+#include <stdio.h>
 #include <time.h>
 #include <sys/time.h>
 #include <sys/types.h>
@@ -94,7 +94,7 @@ long long current_time_m();
 /**
  * 保存进程id
  */
-int save_pid(char * path);
+int save_pid(const char * path);
 
 #ifdef __cplusplus
 }
 
@@ -13,6 +13,7 @@
 #include "Poco/Base64Decoder.h"
 #include "Poco/Exception.h"
 
+#include "base/utils.h"
 #include "h264/NetH264Reader.h"
 #include "rtmp/RTMPOutPutStream.h"
 #include "encoder/FLVEncoder.h"
@@ -58,6 +59,9 @@ int main(int argc, char **argv) {
 	std::stringstream instr;
 	instr << argv[2];
 	instr << randomstr();
+	string pid_path(argv[0]);
+	pid_path = pid_path + ".pid";
+	save_pid(pid_path.c_str());
 	if (write_url(instr.str().c_str())) {
 		RTMPOutPutStream output(instr.str().c_str(), true);
 		FLVEncoder encoder(&reader, &output);