[executor] Unbreak build on Mac

executor/executable/task.go

@@ -136,7 +136,7 @@ func prepareTaskCmd(commandInfo *common.TaskCommandInfo) (*exec.Cmd, error) {
 	// We must setpgid(2) in order to be able to kill the whole process group which consists of
 	// the containing shell and all of its children
 	taskCmd.SysProcAttr = &syscall.SysProcAttr{Setpgid: true}
-	taskCmd.SysProcAttr.Pdeathsig = syscall.SIGKILL
+	setPdeathsig(taskCmd.SysProcAttr)
 
 	// If the commandInfo specifies a username
 	if commandInfo.User != nil && len(*commandInfo.User) > 0 {

executor/executable/task_pdeathsig_darwin.go

@@ -0,0 +1,31 @@
+/*
+ * === This file is part of ALICE O² ===
+ *
+ * Copyright 2020 CERN and copyright holders of ALICE O².
+ * Author: Teo Mrnjavac <teo.mrnjavac@cern.ch>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * In applying this license CERN does not waive the privileges and
+ * immunities granted to it by virtue of its status as an
+ * Intergovernmental Organization or submit itself to any jurisdiction.
+ */
+
+package executable
+
+import "syscall"
+
+func setPdeathsig(sysProcAttr *syscall.SysProcAttr) {
+	//noop
+}

executor/executable/task_pdeathsig_linux.go

@@ -0,0 +1,31 @@
+/*
+ * === This file is part of ALICE O² ===
+ *
+ * Copyright 2020 CERN and copyright holders of ALICE O².
+ * Author: Teo Mrnjavac <teo.mrnjavac@cern.ch>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * In applying this license CERN does not waive the privileges and
+ * immunities granted to it by virtue of its status as an
+ * Intergovernmental Organization or submit itself to any jurisdiction.
+ */
+
+package executable
+
+import "syscall"
+
+func setPdeathsig(sysProcAttr *syscall.SysProcAttr) {
+	sysProcAttr.Pdeathsig = syscall.SIGKILL
+}