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From 301e1b368d92a32a7bdcd4bd1f0ede0295977e3e Mon Sep 17 00:00:00 2001
From: Nikita Ivanov <nikita.vyach.ivanov@gmail.com>
Date: Mon, 3 Mar 2025 19:49:07 +0100
Subject: [PATCH] swallow: add FreeBSD support
---
dwl.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/dwl.c b/dwl.c
index 71d500a..52fdd9c 100644
--- a/dwl.c
+++ b/dwl.c
@@ -67,6 +67,14 @@
#include <xcb/xcb_icccm.h>
#endif
+#ifdef __FreeBSD__
+#define __BSD_VISIBLE
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/sysctl.h>
+#include <sys/user.h>
+#endif
+
#include "util.h"
/* macros */
@@ -2032,6 +2040,7 @@ outputmgrtest(struct wl_listener *listener, void *data)
pid_t
parentpid(pid_t pid)
{
+#ifdef __linux__
unsigned int v = 0;
FILE *f;
char buf[256];
@@ -2041,6 +2050,14 @@ parentpid(pid_t pid)
fscanf(f, "%*u %*s %*c %u", &v);
fclose(f);
return (pid_t)v;
+#elif defined(__FreeBSD__)
+ struct kinfo_proc kip;
+ size_t len = sizeof(struct kinfo_proc);
+ int mib[4] = { CTL_KERN, KERN_PROC, KERN_PROC_PID, p };
+ if (sysctl(mib, 4, &kip, &len, NULL, 0) < 0 || len == 0)
+ return 0;
+ return kip.ki_ppid;
+#endif
}
void
--
2.49.0
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