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better code for -f option 

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@1023 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
François Revol 2002-09-12 22:51:58 +00:00
parent f6dda8fac6
commit f59fb680cc
1 changed files with 37 additions and 14 deletions
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51
src/apps/bin/renice.c
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@ -60,10 +60,26 @@ int32 prio_unix_to_be(int32 prio)
return (prio > 0)?(10 - (prio/2)):(10 + 110 * (-prio) / 20);
}
status_t renice_thread(int32 prio, int32 increment, bool use_be_prio, thread_id th)
{
thread_info thinfo;
if(increment != 0) {
get_thread_info(th, &thinfo);
prio = thinfo.priority;
if(!use_be_prio)
prio = prio_be_to_unix(prio);
prio += increment;
if(!use_be_prio)
prio = prio_unix_to_be(prio);
}
return set_thread_priority(th, prio);
}
int main(int argc, char **argv)
{
thread_id th = -1;
int32 prio, increment;
int32 prio, increment = 0;
thread_info thinfo;
bool use_be_prio = false;
bool next_is_prio = true;
@ -71,6 +87,11 @@ int main(int argc, char **argv)
bool use_increment = false;
bool find_by_name = false;
int i = 0;
int32 teamcookie = 0;
team_info teaminfo;
int32 thcookie = 0;
int err = 1;
char *thname;
prio = 9; // default UNIX priority for nice
// convert it to beos
@ -96,20 +117,22 @@ int main(int argc, char **argv)
if (!use_be_prio)
prio = prio_unix_to_be(prio);
} else {
if (find_by_name)
th = find_thread(argv[i]);
else
sscanf(argv[i], "%ld", (long *)&th);
if (use_increment) {
get_thread_info(th, &thinfo);
prio = thinfo.priority;
if (!use_be_prio)
prio = prio_be_to_unix(prio);
prio += increment;
if (!use_be_prio)
prio = prio_unix_to_be(prio);
if (!find_by_name) {
sscanf(argv[i], "%ld", (long *)&th);
return (renice_thread(prio, increment, use_be_prio, th) == B_OK)?0:1;
}
set_thread_priority(th, prio);
thname = argv[i];
while (get_next_team_info(&teamcookie, &teaminfo) == B_OK) {
thcookie = 0;
while (get_next_thread_info(teaminfo.team, &thcookie, &thinfo) == B_OK) {
if (!strncmp(thname, thinfo.name, B_OS_NAME_LENGTH)) {
th = thinfo.thread;
renice_thread(prio, increment, use_be_prio, th);
err = 0;
}
}
}
return err;
}
}
if (th == -1) {