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Viewing changes to imagery/i.ortho.photo/i.photo.2image/find.c

  • Committer: Bazaar Package Importer
  • Author(s): Francesco Paolo Lovergine
  • Date: 2011-04-13 17:08:41 UTC
  • mfrom: (8.1.7 sid)
  • Revision ID: james.westby@ubuntu.com-20110413170841-ss1t9bic0d0uq0gz
Tags: 6.4.1-1
* New upstream version.
* Now build-dep on libjpeg-dev and current libreadline6-dev.
* Removed patch swig: obsolete.
* Policy bumped to 3.9.2, without changes.

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imagery/i.ortho.photo/i.photo.2image/find.c
 
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#include <stdlib.h>
 
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#include <unistd.h>
 
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#include <sys/types.h>
 
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#ifdef __MINGW32__
 
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#include <process.h>
 
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#else
 
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#include <sys/wait.h>
 
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#endif
 
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#include <grass/gis.h>
 
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#include "globals.h"
 
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/*
 
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 * run etc/i.find command in background to find all cell, vect files
 
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 * in the target location.
 
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 */
 
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int find_target_files(void)
 
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{
 
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    int pid, w, status;
 
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    select_target_env();
 
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    pid = G_fork();             /* use G_fork() to inhibit signals */
 
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    if (pid < 0) {
 
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        perror("fork");
 
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        exit(1);
 
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    }
 
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    /*
 
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     * parent waits for child. this wait will be short since child
 
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     * simply forks and exits. The grandchild runs in background
 
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     * and grandma continues
 
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     */
 
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    if (pid) {
 
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        while ((w = wait(&status)) != pid && w != -1) ;
 
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    }
 
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    else {
 
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        char command[1024];
 
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        sprintf(command, "%s/etc/i.find", G_gisbase());
 
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        if (fork())
 
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            exit(0);            /* go into background */
 
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        execl(command, "i.find",
 
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              G_location(), G_mapset(),
 
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              "cell", cell_list, "dig", vect_list, (char *)0);
 
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    }
 
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    select_current_env();
 
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    return 0;
 
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}