X-Git-Url: https://git.dlugolecki.net.pl/?a=blobdiff_plain;f=src%2Fbootstrap.c;h=070dac8f88ad96961ddcd2187c9b0e937543f9c5;hb=HEAD;hp=1df77c16c8852aef5f11adee20876e234725a52a;hpb=8c1fe1f8edbdb17e876546e623bc65e7205c7335;p=wsti_so.git

diff --git a/src/bootstrap.c b/src/bootstrap.c
index 1df77c1..070dac8 100644
--- a/src/bootstrap.c
+++ b/src/bootstrap.c
@@ -10,6 +10,9 @@
 /** Number of processes to spawn */
 #define PROCESS_NUMBER 3
 
+/**
+ * Processes to spawn (programs to be execl'ed)
+ */
 char * processes[PROCESS_NUMBER] = {
 	"process1",
 	"process2",
@@ -20,9 +23,16 @@ char * processes[PROCESS_NUMBER] = {
  * Bootstrap program used for starting all three main processes.
  */
 int main(void) {
-
+	/**
+	 * Variable storing Process ID. In our case we need only to check if
+	 * it's equal 0, to exec new program.
+	 */
 	pid_t pid;
+
+	/** Index of the current process to spawn. */
 	int i = 0;
+
+	/** Error (theoretically) returned by execl. */
 	int err = 0;
 
 	for (; i < PROCESS_NUMBER; i++) {
@@ -31,7 +41,14 @@ int main(void) {
 
 		/* If it is child fork */
 		if (pid == 0) {
-			err = execl(processes[i], processes[i], NULL);
+			fprintf(stderr, "[%s] Forked process %d has id: %d\n", "bootstrap", i, getpid());
+
+			/*
+			 * Create new session for this process, so it won't close
+			 * after the parent process exit.
+			 */
+			setsid();
+			err = execl(processes[i], NULL);
 
 			/*
 			 * According to manual, this will only occur
@@ -42,9 +59,15 @@ int main(void) {
 					"bootstrap", processes[i], strerror(errno));
 			}
 		}
+		/* There was an error when forking */
+		else if (pid < 0) {
+			fprintf(stderr, "[%s] Something went wrong when forking %s. Error: %s\n",
+				"bootstrap", processes[i], strerror(errno));
+		}
+		sleep(1);
 	}
 
 	/* All processes should be now spawned. Close bootstrap program. */
-	
+
 	return 0;
 }
\ No newline at end of file