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kernel: setpgid fix

This commit is contained in:
K. Lange 2018-10-26 23:15:08 +09:00
parent 3d2e94d387
commit 5aaaf9f8ce
1 changed files with 12 additions and 12 deletions
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24
kernel/sys/syscall.c
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@ -939,21 +939,21 @@ static int sys_setpgid(pid_t pid, pid_t pgid) {
return -EPERM;
}
process_t * pgroup = process_from_pid(pgid);
if (!pgroup) {
debug_print(WARNING, "bad session id");
return -EPERM;
}
if (pgroup->session != proc->session) {
debug_print(WARNING, "tried to move to different session");
return -EPERM;
}
if (pgid == 0) {
proc->job = proc->group;
} else {
process_t * pgroup = process_from_pid(pgid);
if (!pgroup) {
debug_print(WARNING, "bad session id");
return -EPERM;
}
if (pgroup->session != proc->session) {
debug_print(WARNING, "tried to move to different session");
return -EPERM;
}
proc->job = pgid;
}
return 0;