D43075.diff
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	diff --git a/bin/pkill/pkill.c b/bin/pkill/pkill.c
	--- a/bin/pkill/pkill.c
	+++ b/bin/pkill/pkill.c
	@@ -827,6 +827,20 @@
	usage();
	}

	+static int
	+pidmax(void)
	+{
	+ int val;
	+ size_t size;
	+
	+ size = sizeof(val);
	+ if (sysctlbyname("kern.pid_max", &val, &size, NULL, 0) < 0) {
	+ return (PID_MAX);
	+ }
	+
	+ return (val);
	+}
	+
	static int
	takepid(const char *pidfile, int pidfilelock)
	{
	@@ -867,7 +881,7 @@
	rval = strtol(line, &endp, 10);
	if (endp != '\0' && !isspace((unsigned char)endp))
	errx(STATUS_ERROR, "Invalid pid in file `%s'", pidfile);
	- else if (rval < PID_MIN \|\| rval > PID_MAX)
	+ else if (rval < PID_MIN \|\| rval > pidmax())
	errx(STATUS_ERROR, "Invalid pid in file `%s'", pidfile);
	return (rval);
	}