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author | Ole Loots <ole@monochrom.net> | 2012-08-27 20:05:35 +0200 |
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committer | Ole Loots <ole@monochrom.net> | 2012-08-27 20:05:35 +0200 |
commit | 02593d170a7163a141acf6f2f72686a7bdbfb828 (patch) | |
tree | 455e1f2f2fb2f9d291bca96124799aa84a9d5e83 /atari/misc.c | |
parent | 5a7ddb9e8478e18ac06871dc841cf7069a5ba949 (diff) | |
download | netsurf-02593d170a7163a141acf6f2f72686a7bdbfb828.tar.gz netsurf-02593d170a7163a141acf6f2f72686a7bdbfb828.tar.bz2 |
Added is_process_running
Now the source code viewer is launched when not already
running (ShelWrite wasn't handling this correctly)
Diffstat (limited to 'atari/misc.c')
-rwxr-xr-x | atari/misc.c | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/atari/misc.c b/atari/misc.c index 372184785..054684a82 100755 --- a/atari/misc.c +++ b/atari/misc.c @@ -45,6 +45,11 @@ #include "cflib.h"
extern void * h_gem_rsrc;
+ +struct is_process_running_callback_data { + const char * fname; + bool found; +}; void warn_user(const char *warning, const char *detail)
{
@@ -152,6 +157,86 @@ struct gui_window * find_cmp_window( COMPONENT * c ) gw = gw->next;
}
return( NULL );
+} + +static int scan_process_list(scan_process_callback cb, void *data) +{ + int pid, count = 0; + DIR *dir; + char*dirname; + struct dirent *de; + + if (( dir = opendir("U:/kern")) == NULL) + return(0); + + while ((de = readdir( dir)) != NULL) { + dirname = de->d_name; + + if( dirname[0] != '1' && dirname[0] != '2' && dirname[0] != '3' && dirname[0] != '4' && dirname[0] != '5' + && dirname[0] != '6' && dirname[0] != '7' && dirname[0] != '8' && dirname[0] != '9') + continue; + + count++; + if (cb != NULL) { + /* when callback returns negative value, we stop scanning: */ + pid = atoi(dirname); + if (cb(pid, data)<0) { + break; + } + } + } + + closedir(dir); + + return(count); +} + +static int proc_running_callback(int pid, void * arg) +{ + char buf[PATH_MAX], fnamepath[256]; + FILE *fp; + int nread; + struct is_process_running_callback_data *data; + + data = (struct is_process_running_callback_data *)arg; + + sprintf(fnamepath, "U:\\kern\\%d\\fname", pid); + + fp = fopen(fnamepath, "r"); + if(!fp) + return(0); + + nread = fread(buf, 1, PATH_MAX-1, fp); + fclose(fp); + + if (nread > 0) { + buf[nread] = 0; + + char *lastslash = strrchr(buf, '/'); + + if(lastslash == NULL) + lastslash = strrchr(buf, '\\'); + + if(lastslash==NULL) + lastslash = buf; + else + lastslash++; + + if(strcasecmp(lastslash, data->fname)==0){ + data->found = true; + return(-1); + } + } + return(0); +} + +bool is_process_running(const char * name) +{ + struct is_process_running_callback_data data = {name, false}; + + scan_process_list(proc_running_callback, &data); + + return( (data.found==1) ? true : false ); }
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