[Bug gdb/27244] New: GDB doesn't catch SIGCHLD

["evans_chen1 at dell dot com" <sourceware-bugzilla@sourceware.org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=27244

            Bug ID: 27244
           Summary: GDB doesn't catch SIGCHLD
           Product: gdb
           Version: 10.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: gdb
          Assignee: unassigned at sourceware dot org
          Reporter: evans_chen1 at dell dot com
  Target Milestone: ---

Created attachment 13154
  --> https://sourceware.org/bugzilla/attachment.cgi?id=13154&action=edit
sig.c

GDB Version: GNU gdb (GDB) 10.1 [GDB v10.1 for FreeBSD]
Machine: Virtualbox FreeBSD 12.2 RELEASE amd64 VHD virtual machine
Compiler used to compile GDB: FreeBSD clang version 8.0.1
Compiler used to compile the program: FreeBSD clang version 10.0.1, target
x86_64-unknown-freebsd12.2
Command used to compile: clang -ggdb sig.c -o sig
Source file “sig.c” is attached.

Description of incorrect behavior:
The following output was produced. For some reason, the SIGCHLD catchpoint
didn't activate and "Program received SIGCHLD" was not printed.

---BEGIN OUTPUT---

(gdb) catch signal SIGCHLD
Catchpoint 1 (signal SIGCHLD)
(gdb) r
Starting program: /root/sig
Finished.
[Inferior 1 (process 12929) exited normally]
(gdb) handle SIGCHLD print
Signal        Stop      Print   Pass to program Description
SIGCHLD       No        Yes     Yes             Child status changed
(gdb) r
Starting program: /root/sig
Finished.
[Inferior 1 (process 12983) exited normally]

---END OUTPUT---

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