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authorMattias Andrée <maandree@operamail.com>2015-11-29 10:43:58 +0100
committerMattias Andrée <maandree@operamail.com>2015-11-29 10:43:58 +0100
commit7f14931def91afb3c6533df4e6ff1b6fa17d713c (patch)
treebcf15d8773f98d1e7ad48b4d4c3c61fa7668c6fb /doc/examples/daemon-dependencies/announce.c
parentadd almost all examples to info (diff)
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typo
Signed-off-by: Mattias Andrée <maandree@operamail.com>
Diffstat (limited to 'doc/examples/daemon-dependencies/announce.c')
-rw-r--r--doc/examples/daemon-dependencies/announce.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/doc/examples/daemon-dependencies/announce.c b/doc/examples/daemon-dependencies/announce.c
new file mode 100644
index 0000000..d928adb
--- /dev/null
+++ b/doc/examples/daemon-dependencies/announce.c
@@ -0,0 +1,28 @@
+#include <bus.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <unistd.h>
+
+#define t(stmt) if (stmt) goto fail
+
+
+static char arg[4098];
+
+
+int
+main(int argc, char *argv[])
+{
+ bus_t bus;
+ if (argc < 3)
+ return fprintf(stderr, "USAGE: %s state daemon", *argv), 2;
+ t(bus_open(&bus, getenv("BUS_INIT"), BUS_WRONLY));
+ sprintf(arg, "%ji %s %s", (intmax_t)getppid(), argv[1], argv[2]);
+ t(bus_write(&bus, arg, 0));
+ t(bus_close(&bus));
+ return 0;
+
+fail:
+ perror("announce");
+ return 1;
+}