gitignore [ci skip]

[awesomized/libmemcached] / libtest / killpid.cc

diff --git a/libtest/killpid.cc b/libtest/killpid.cc
index aae43bb391bc12729bf82648653ecf4892708627..2cefff2c60642170b414b86a5ebf344dcecb0507 100644 (file)
--- a/libtest/killpid.cc
+++ b/libtest/killpid.cc
@@ -34,7 +34,7 @@
  *
  */
 
-#include <config.h>
+#include "libtest/yatlcon.h"
 #include <libtest/common.h>
 
 #include <cstdlib>
@@ -80,21 +80,34 @@ bool kill_pid(pid_t pid_arg)
     }
   }
 
-  int status= 0;
-  if (waitpid(pid_arg, &status, 0) == -1)
   {
-    switch (errno)
+    uint32_t this_wait= 0;
+    uint32_t timeout= 20; // This number should be high enough for valgrind startup (which is slow)
+    uint32_t waited;
+    uint32_t retry;
+
+    for (waited= 0, retry= 1; ; retry++, waited+= this_wait)
     {
-      // Just means that the server has already gone away
-    case ECHILD:
+      int status= 0;
+      if (waitpid(pid_arg, &status, WNOHANG) == 0)
       {
-        return true;
+        break;
+      }
+      else if (errno == ECHILD)
+      {
+        // Server has already gone away
+        break;
+      }
+      else if (waited >= timeout)
+      {
+        // Timeout failed
+        kill(pid_arg, SIGKILL);
+        break;
       }
-    }
-
-    Error << "Error occured while waitpid(" << strerror(errno) << ") on pid " << int(pid_arg);
 
-    return false;
+      this_wait= retry * retry / 3 + 1;
+      libtest::dream(this_wait, 0);
+    }
   }
 
   return true;
@@ -110,14 +123,15 @@ bool check_pid(const std::string &filename)
   FILE *fp;
   if ((fp= fopen(filename.c_str(), "r")))
   {
-    char pid_buffer[1024];
+    libtest::vchar_t pid_buffer;
+    pid_buffer.resize(1024);
 
-    char *ptr= fgets(pid_buffer, sizeof(pid_buffer), fp);
+    char *ptr= fgets(&pid_buffer[0], int(pid_buffer.size()), fp);
     fclose(fp);
 
     if (ptr)
     {
-      pid_t pid= (pid_t)atoi(pid_buffer);
+      pid_t pid= (pid_t)atoi(&pid_buffer[0]);
       if (pid > 0)
       {
         return (::kill(pid, 0) == 0);
@@ -139,14 +153,15 @@ bool kill_file(const std::string &filename)
   FILE *fp;
   if ((fp= fopen(filename.c_str(), "r")))
   {
-    char pid_buffer[1024];
+    libtest::vchar_t pid_buffer;
+    pid_buffer.resize(1024);
 
-    char *ptr= fgets(pid_buffer, sizeof(pid_buffer), fp);
+    char *ptr= fgets(&pid_buffer[0], int(pid_buffer.size()), fp);
     fclose(fp);
 
     if (ptr)
     {
-      pid_t pid= (pid_t)atoi(pid_buffer);
+      pid_t pid= (pid_t)atoi(&pid_buffer[0]);
       if (pid != 0)
       {
         bool ret= kill_pid(pid);
@@ -167,7 +182,6 @@ bool kill_file(const std::string &filename)
 pid_t get_pid_from_file(const std::string &filename, std::stringstream& error_message)
 {
   pid_t ret= -1;
-  FILE *fp;
 
   if (filename.empty())
   {
@@ -175,16 +189,16 @@ pid_t get_pid_from_file(const std::string &filename, std::stringstream& error_me
     return ret;
   }
 
+  FILE *fp;
   if ((fp= fopen(filename.c_str(), "r")))
   {
-    char pid_buffer[1024];
-
-    char *ptr= fgets(pid_buffer, sizeof(pid_buffer), fp);
-    fclose(fp);
+    libtest::vchar_t pid_buffer;
+    pid_buffer.resize(1024);
 
+    char *ptr= fgets(&pid_buffer[0], int(pid_buffer.size()), fp);
     if (ptr)
     {
-      ret= (pid_t)atoi(pid_buffer);
+      ret= (pid_t)atoi(&pid_buffer[0]);
       if (ret < 1)
       {
         error_message << LIBTEST_AT << " Invalid pid was read from file " << filename;
@@ -195,12 +209,15 @@ pid_t get_pid_from_file(const std::string &filename, std::stringstream& error_me
       error_message << LIBTEST_AT << " File " << filename << " was empty ";
     }
 
+    fclose(fp);
+
     return ret;
   }
   else
   {
-    char buffer[1024];
-    char *current_directory= getcwd(buffer, sizeof(buffer));
+    libtest::vchar_t buffer;
+    buffer.resize(1024);
+    char *current_directory= getcwd(&buffer[0], buffer.size());
     error_message << "Error while opening " << current_directory << "/" << filename << " " << strerror(errno);
   }