Multithreading support

Also made progress output a little bit nicer

default = 1 thread at once, for safety reasons
I've encountered critical issues with ImageMagick compiled with OpenMP support. Hope that package maintainers are clever.
ShittyMagickWandGenesis(), ShittyMagickWandTerminus() :-)

1 files changed, 19 insertions, 4 deletions

diff --git a/src/cgg.c b/src/cgg.c
index ea48d52..92debc8 100644
--- a/src/cgg.c
+++ b/src/cgg.c
@@ -22,13 +22,16 @@
 #include <unistd.h>
 
 #include <glib.h>
+#include <glib/gthread.h>
 
 #include <libxml/xmlmemory.h>
 
+#include <wand/magick-wand.h>
+
 #include <config.h>
 
 #include "setup.h"
-#include "generators.h"
+#include "job-manager.h"
 
 
 
@@ -39,17 +42,19 @@
  *   parse_cmd: parse commandline and fill global variable parameters
  */
 gboolean
-parse_cmd (int argc, char* argv[], char **source_dir, char **dst_dir, gboolean *verbose)
+parse_cmd (int argc, char* argv[], char **source_dir, char **dst_dir, gboolean *verbose, int *jobs)
 {
   static gboolean _verbose = FALSE;
   static gchar *_source_dir = NULL;
   static gchar *_dst_dir = NULL;
+  static int _jobs = 1;
 
   static GOptionEntry entries[] =
 	{
 	  { "verbose", 'v', 0, G_OPTION_ARG_NONE, &_verbose, "Be verbose", NULL },
 	  { "source", 's', 0, G_OPTION_ARG_STRING, &_source_dir, "Specifies path to source structure", NULL },
 	  { "output", 'o', 0, G_OPTION_ARG_STRING, &_dst_dir, "Generate files to the specified directory instead of current", NULL },
+          { "jobs", 'j', 0, G_OPTION_ARG_INT, &_jobs, "Allow N jobs at once (default=1)", NULL },
 	  { NULL }
 	};
 
@@ -86,6 +91,7 @@ parse_cmd (int argc, char* argv[], char **source_dir, char **dst_dir, gboolean *
   *source_dir = _source_dir;
   *dst_dir = _dst_dir;
   *verbose = _verbose;
+  *jobs = _jobs;
 
   return TRUE;
 }
@@ -98,6 +104,7 @@ main(int argc, char* argv[])
   char *source_dir;
   char *dst_dir;
   gboolean verbose;
+  int jobs;
   TGallerySetup *setup;
 
   /*
@@ -107,13 +114,19 @@ main(int argc, char* argv[])
    */
   LIBXML_TEST_VERSION;
 
+  g_thread_init (NULL);
+
+  /*  Initialize ImageMagick at this point, for multithreading safety  */
+  MagickWandGenesis();
+
+
   source_dir = NULL;
   dst_dir = NULL;
   setup = malloc(sizeof(TGallerySetup));
 
 
   /*  Parse commandline  */
-  if (! parse_cmd (argc, argv, &source_dir, &dst_dir, &verbose))
+  if (! parse_cmd (argc, argv, &source_dir, &dst_dir, &verbose, &jobs))
     return -1;
 
   if ((! source_dir) || (access (source_dir, R_OK))) {
@@ -140,8 +153,10 @@ main(int argc, char* argv[])
 
   /*  Start building the gallery tree  */
   setup->verbose = verbose;
-  build_tree (setup, source_dir, dst_dir, NULL);
+  build_tree (setup, source_dir, dst_dir, NULL, -1, jobs);
+
 
+  MagickWandTerminus();
 
   /*  Cleanup function for the XML library. */
   xmlCleanupParser();