D28240.id82579.diff
No OneTemporary
Actions

Size

677 B

Referenced Files

None

Subscribers

None

D28240.id82579.diff
View Options

	diff --git a/bin/pwait/pwait.1 b/bin/pwait/pwait.1
	--- a/bin/pwait/pwait.1
	+++ b/bin/pwait/pwait.1
	@@ -145,6 +145,10 @@
	.Xr wait 1
	builtin
	as it will not clean up any zombies or state in the parent process.
	+.Pp
	+To avoid deadlock,
	+.Nm
	+will ignore its own pid, if it is provided as a process id to wait for.
	.Sh HISTORY
	A
	.Nm
	diff --git a/bin/pwait/pwait.c b/bin/pwait/pwait.c
	--- a/bin/pwait/pwait.c
	+++ b/bin/pwait/pwait.c
	@@ -146,6 +146,10 @@
	warnx("%s: bad process id", s);
	continue;
	}
	+ if (pid == getpid()) {
	+ warnx("%s: skip my own pid", s);
	+ continue;
	+ }
	for (i = 0; i < nleft; i++) {
	if (e[i].ident == (uintptr_t)pid) {
	break;