Author: pjd
Date: Wed Jan 12 16:16:54 2011
New Revision: 217312
URL: http://svn.freebsd.org/changeset/base/217312
Log:
execve(2), not fork(2) resets signal handler to the default value (if it isn't
ignored). Correct comment talking about that.
Pointed out by: kib
MFC after: 3 days
Modified:
head/sbin/hastd/hooks.c
Modified: head/sbin/hastd/hooks.c
==============================================================================
--- head/sbin/hastd/hooks.c Wed Jan 12 16:00:49 2011 (r217311)
+++ head/sbin/hastd/hooks.c Wed Jan 12 16:16:54 2011 (r217312)
@@ -373,9 +373,9 @@ hook_execv(const char *path, va_list ap)
PJDLOG_VERIFY(sigemptyset(&mask) == 0);
PJDLOG_VERIFY(sigprocmask(SIG_SETMASK, &mask, NULL) == 0);
/*
- * Dummy handler set for SIGCHLD in the parent should be
- * changed after fork(2) automatically to the default SIG_IGN,
- * so there is no need to do anything with it.
+ * Dummy handler set for SIGCHLD in the parent will be restored
+ * to SIG_IGN on execv(3) below, so there is no need to do
+ * anything with it.
*/
execv(path, args);
pjdlog_errno(LOG_ERR, "Unable to execute %s", path);
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