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- /* Create Processes */
- printf("n+++++++++++CREATING PROCESSES+++++++++++n");
- int i, pid;
- png_count = 0;
- gif_count = 0;
- bmp_count = 0;
- for(i = 0; i < convert_count; i++) {
- pid = fork();
- if(pid < 0) {
- printf("Error: fork failed");
- exit(1);
- }
- else if (pid == 0) {
- /* Child execution */
- /* PNG conversion */
- if ((getpid() % 2) == 0) {
- image_in_path = getInPath(input_dir, png_images[png_count]);
- image_out_path = getOutPath(output_dir, png_images[png_count]);
- printf("image_in_path: %sn", image_in_path);
- printf("Child (%d): %dn", png_count+1, getpid());
- png_count++;
- printf("Converting: %sn", image_in_path);
- execlp("convert", "convert", image_in_path, "-resize", "200x200", image_out_path, NULL);
- exit(1);
- }
- /* GIF conversion */
- else if ((getpid() % 3) == 0) {
- image_in_path = getInPath(input_dir, gif_images[gif_count]);
- image_out_path = getOutPath(output_dir, gif_images[gif_count]);
- printf("image_in_path: %sn", image_in_path);
- printf("Child (%d): %dn", gif_count+1, getpid());
- gif_count++;
- printf("Converting: %sn", image_in_path);
- execlp("convert", "convert", image_in_path, "-resize", "200x200", image_out_path, NULL);
- exit(1);
- }
- /* BMP conversion */
- else {
- image_in_path = getInPath(input_dir, bmp_images[bmp_count]);
- image_out_path = getOutPath(output_dir, bmp_images[bmp_count]);
- printf("image_in_path: %sn", image_in_path);
- printf("Child (%d): %dn", bmp_count+1, getpid());
- bmp_count++;
- printf("Converting: %sn", image_in_path);
- execlp("convert", "convert", image_in_path, "-resize", "200x200", image_out_path, NULL);
- exit(1);
- }
- }
- else {
- /* Parent Execution */
- wait(NULL);
- }
- }
- +++++++++++CREATING PROCESSES+++++++++++
- image_in_path: idir/panda.bmp
- Child (1): 5389
- Converting: idir/panda.bmp
- image_in_path: idir/panda.bmp
- Child (1): 5393
- Converting: idir/panda.bmp
- image_in_path: idir/penguin.gif
- Child (1): 5397
- Converting: idir/penguin.gif
- image_in_path: idir/bmp.png
- Child (1): 5402
- Converting: idir/bmp.png
- image_in_path: idir/bmp.png
- Child (1): 5408
- Converting: idir/bmp.png
- image_in_path: idir/panda.bmp
- Child (1): 5413
- Converting: idir/panda.bmp
- image_in_path: idir/panda.bmp
- Child (1): 5417
- Converting: idir/panda.bmp
- image_in_path: idir/penguin.gif
- Child (1): 5421
- Converting: idir/penguin.gif
- image_in_path: idir/panda.bmp
- Child (1): 5425
- Converting: idir/panda.bmp
- image_in_path: idir/panda.bmp
- Child (1): 5429
- Converting: idir/panda.bmp
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