VKERNEL Pidfile patch

[Simon 'corecode' Schubert]

Chris Turner wrote:
@@ -1039,6 +1045,24 @@
 
 static
 void
+writepid(char *path)
+{
+	pid_t self = 0;
+	FILE *pidfile = NULL;
+
+	self = getpid();
+	pidfile = fopen(path, "w");
+	if (pidfile) {
style(9) says:
    Test pointers against NULL, e.g., use:
    (p = f()) == NULL

    not:

    !(p = f())

so, make this
if (pidfile != NULL)
plus, do you think the vkernel should clean up the pidfile when shutting down?

cheers
 simon
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