X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;ds=inline;f=bin%2Fbtr-setsid.c;fp=bin%2Fbtr-setsid.c;h=f293efa51f7493732a74bcfabdbe39a327dffc61;hb=6a0d154a9ccfb0e2d2470dfdca06621e864895b3;hp=0000000000000000000000000000000000000000;hpb=c77cf9871e61151a16185d16abdaeb107279cd6a;p=m6w6%2Fbtr

diff --git a/bin/btr-setsid.c b/bin/btr-setsid.c
new file mode 100644
index 0000000..f293efa
--- /dev/null
+++ b/bin/btr-setsid.c
@@ -0,0 +1,34 @@
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+int main(int argc, char *argv[])
+{
+	if (argc < 2) {
+		fprintf(stderr, "Usage: %s <program> [args...]\n", argv[0]);
+		return EXIT_FAILURE;
+	}
+
+	if (getpid() == getpgrp()) {
+		pid_t pid = fork();
+
+		switch (pid) {
+		case 0:
+			break;
+		case -1:
+			perror("fork");
+			return EXIT_FAILURE;
+		default:
+			return EXIT_SUCCESS;
+		}
+	}
+
+	if (setsid() < 0) {
+		perror("setsid");
+		return EXIT_FAILURE;
+	}
+
+	execvp(argv[1], &argv[1]);
+	perror("exec");
+	return EXIT_FAILURE;
+}