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- According to specification, SI_USER code should only be generated by

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standard kill(). On other systems, SI_LWP is generated by lwp_kill().
  This will allow conforming applications to differentiate between
  signals generated by standard events and those generated by other
  implementation events in a manner compatible with existing practice.
- Bump __FreeBSD_version
This commit is contained in:
davidxu 2010-08-24 07:22:24 +00:00
parent 177089b4f1
commit 6616b254f2
2 changed files with 3 additions and 2 deletions
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4
sys/kern/kern_thr.c
View File

@ -312,7 +312,7 @@ thr_kill(struct thread *td, struct thr_kill_args *uap)
error = 0;
ksiginfo_init(&ksi);
ksi.ksi_signo = uap->sig;
ksi.ksi_code = SI_USER;
ksi.ksi_code = SI_LWP;
ksi.ksi_pid = p->p_pid;
ksi.ksi_uid = td->td_ucred->cr_ruid;
PROC_LOCK(p);
@ -371,7 +371,7 @@ thr_kill2(struct thread *td, struct thr_kill2_args *uap)
if (error == 0) {
ksiginfo_init(&ksi);
ksi.ksi_signo = uap->sig;
ksi.ksi_code = SI_USER;
ksi.ksi_code = SI_LWP;
ksi.ksi_pid = td->td_proc->p_pid;
ksi.ksi_uid = td->td_ucred->cr_ruid;
if (uap->id == -1) {

1
sys/sys/signal.h
View File

@ -338,6 +338,7 @@ struct sigaction {
#define SI_MESGQ 0x10005 /* Signal generated by arrival of a */
/* message on an empty message queue. */
#define SI_KERNEL 0x10006
#define SI_LWP 0x10007 /* Signal sent by thr_kill */
#endif
#if __BSD_VISIBLE
#define SI_UNDEFINED 0