Merge pull request #67 from krallin/fix-subreaper

Fix PR_SET_CHILD_SUBREAPER call

CMakeLists.txt

@@ -4,7 +4,7 @@ project (tini C)
 # Config
 set (tini_VERSION_MAJOR 0)
 set (tini_VERSION_MINOR 13)
-set (tini_VERSION_PATCH 1)
+set (tini_VERSION_PATCH 2)
 
 # Build options
 option(MINIMAL "Disable argument parsing and verbose output" OFF)

README.md

@@ -37,7 +37,7 @@ In Docker, you will want to use an entrypoint so you don't have to remember
 to manually invoke Tini:
 
     # Add Tini
-    ENV TINI_VERSION v0.13.1
+    ENV TINI_VERSION v0.13.2
     ADD https://github.com/krallin/tini/releases/download/${TINI_VERSION}/tini /tini
     RUN chmod +x /tini
     ENTRYPOINT ["/tini", "--"]
@@ -63,7 +63,7 @@ The `tini` and `tini-static` binaries are signed using the key `595E85A6B1B4779E
 You can verify their signatures using `gpg` (which you may install using
 your package manager):
 
-    ENV TINI_VERSION v0.13.1
+    ENV TINI_VERSION v0.13.2
     ADD https://github.com/krallin/tini/releases/download/${TINI_VERSION}/tini /tini
     ADD https://github.com/krallin/tini/releases/download/${TINI_VERSION}/tini.asc /tini.asc
     RUN gpg --keyserver ha.pool.sks-keyservers.net --recv-keys 595E85A6B1B4779EA4DAAEC70B588DFF0527A9B7 \

src/tini.c

@@ -306,7 +306,7 @@ int parse_env() {
 #if HAS_SUBREAPER
 int register_subreaper () {
 	if (subreaper > 0) {
-		if (prctl(PR_SET_CHILD_SUBREAPER)) {
+		if (prctl(PR_SET_CHILD_SUBREAPER, 1)) {
 			if (errno == EINVAL) {
 				PRINT_FATAL("PR_SET_CHILD_SUBREAPER is unavailable on this platform. Are you using Linux >= 3.4?")
 			} else {