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authorGerrit Pape <pape@smarden.org>2002-05-18 17:30:16 +0000
committerGerrit Pape <pape@smarden.org>2002-05-18 17:30:16 +0000
commit9cc46dc719566d4665f2e584cbd0b3b250d4b7d9 (patch)
tree3102f6853180830c6ad48d40c3e5fa5ef3d21d49 /src/trypoll.c
parenta3b07af346564647eb28477c80cc0d1b6929246b (diff)
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* src/: include public domain sources to build byte.a, unix.a, time.a:
    runit builds without having daemontools' sources installed.
0.3.3.
Diffstat (limited to 'src/trypoll.c')
-rw-r--r--src/trypoll.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/src/trypoll.c b/src/trypoll.c
new file mode 100644
index 0000000..6506617
--- /dev/null
+++ b/src/trypoll.c
@@ -0,0 +1,20 @@
+/* Public domain. */
+
+#include <sys/types.h>
+#include <fcntl.h>
+#include <poll.h>
+
+int main()
+{
+  struct pollfd x;
+
+  x.fd = open("trypoll.c",O_RDONLY);
+  if (x.fd == -1) _exit(111);
+  x.events = POLLIN;
+  if (poll(&x,1,10) == -1) _exit(1);
+  if (x.revents != POLLIN) _exit(1);
+
+  /* XXX: try to detect and avoid poll() imitation libraries */
+
+  _exit(0);
+}