Author: jhb
Date: Mon Nov 13 21:22:33 2017
New Revision: 325778
URL: https://svnweb.freebsd.org/changeset/base/325778
Log:
Move loop to clear TDB_SUSPEND into PT_DETACH case.
The PT_DETACH case above the sendsig: label already looped over all
threads clearing flags in td_dbgflags. Reuse this loop to clear
TDB_SUSPEND and move the logic out of the sendsig: block.
Modified:
head/sys/kern/sys_process.c
Modified: head/sys/kern/sys_process.c
==============================================================================
--- head/sys/kern/sys_process.c Mon Nov 13 21:09:08 2017 (r325777)
+++ head/sys/kern/sys_process.c Mon Nov 13 21:22:33 2017 (r325778)
@@ -1128,8 +1128,10 @@ kern_ptrace(struct thread *td, int req, pid_t pid, voi
sigqueue_delete(&td3->td_sigqueue,
SIGSTOP);
}
- td3->td_dbgflags &= ~(TDB_XSIG | TDB_FSTP);
+ td3->td_dbgflags &= ~(TDB_XSIG | TDB_FSTP |
+ TDB_SUSPEND);
}
+
if ((p->p_flag2 & P2_PTRACE_FSTP) != 0) {
sigqueue_delete(&p->p_sigqueue, SIGSTOP);
p->p_flag2 &= ~P2_PTRACE_FSTP;
@@ -1169,11 +1171,6 @@ kern_ptrace(struct thread *td, int req, pid_t pid, voi
*/
if (data == SIGKILL)
p->p_flag |= P_WKILLED;
-
- if (req == PT_DETACH) {
- FOREACH_THREAD_IN_PROC(p, td3)
- td3->td_dbgflags &= ~TDB_SUSPEND;
- }
/*
* Unsuspend all threads. To leave a thread
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