CVS commit: src/sys/kern

["Taylor R Campbell" <riastradh%netbsd.org@localhost>]

Module Name:    src
Committed By:   riastradh
Date:           Sat Mar 15 12:11:09 UTC 2025

Modified Files:
        src/sys/kern: kern_exec.c

Log Message:
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 -r1.525 -r1.526 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.