PR/59175 CVS commit: [netbsd-9] src/sys/kern

The following reply was made to PR kern/59175; it has been noted by GNATS.

From: "Martin Husemann" <[email protected]>
To: [email protected]
Cc: 
Subject: PR/59175 CVS commit: [netbsd-9] src/sys/kern
Date: Sat, 27 Jun 2026 17:22:27 +0000

 Module Name:	src
 Committed By:	martin
 Date:		Sat Jun 27 17:22:27 UTC 2026
 
 Modified Files:
 	src/sys/kern [netbsd-9]: kern_exec.c
 
 Log Message:
 Pull up following revision(s) (requested by riastradh in ticket #2015):
 
 	sys/kern/kern_exec.c: revision 1.526
 
 posix_spawn(2): Fix race between parent and child.
 
 This was an embarrassing misuse of condition variables.
 
 PR kern/59175: posix_spawn hang, hanging other process too
 PR kern/52634: possible unhandled spurious wakeup in posix_spawn
 (This only resolves one of the symptoms wiz had in PR 59175; there is
 also another issue involved with p_vmspace and p_psstrp.)
 
 
 To generate a diff of this commit:
 cvs rdiff -u -r1.478.2.3 -r1.478.2.4 src/sys/kern/kern_exec.c
 
 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.