1 files changed, 11 insertions, 6 deletions

diff --git a/Process.c b/Process.c
index 4999bfcb..a1c2079c 100644
--- a/Process.c
+++ b/Process.c
@@ -513,12 +513,16 @@ void Process_toggleTag(Process* this) {
 }
 
 bool Process_setPriority(Process* this, int priority) {
-   int old_prio = getpriority(PRIO_PROCESS, this->pid);
-   int err = setpriority(PRIO_PROCESS, this->pid, priority);
-   if (err == 0 && old_prio != getpriority(PRIO_PROCESS, this->pid)) {
-      this->nice = priority;
+   if ( Process_getuid == 0 || Process_getuid == (int) this->st_uid ) {
+      int old_prio = getpriority(PRIO_PROCESS, this->pid);
+      int err = setpriority(PRIO_PROCESS, this->pid, priority);
+      if (err == 0 && old_prio != getpriority(PRIO_PROCESS, this->pid)) {
+         this->nice = priority;
+      }
+      return (err == 0);
    }
-   return (err == 0);
+   else
+      return false;
 }
 
 bool Process_changePriorityBy(Process* this, size_t delta) {
@@ -526,7 +530,8 @@ bool Process_changePriorityBy(Process* this, size_t delta) {
 }
 
 void Process_sendSignal(Process* this, size_t sgn) {
-   kill(this->pid, (int) sgn);
+   if ( Process_getuid == 0 || Process_getuid == (int) this->st_uid )
+      kill(this->pid, (int) sgn);
 }
 
 long Process_pidCompare(const void* v1, const void* v2) {