r14628: sync timelimit.c with the version from the build-farm repository

metze

1 files changed, 39 insertions, 20 deletions

diff --git a/source/script/tests/timelimit.c b/source/script/tests/timelimit.c
index 93d7f6497e3..af8ff274545 100644
--- a/source/script/tests/timelimit.c
+++ b/source/script/tests/timelimit.c
@@ -12,57 +12,74 @@
 #include <sys/types.h>
 #include <sys/wait.h>
 
+static pid_t child_pid;
+
 static void usage(void)
 {
 	printf("usage: timelimit <time> <command>\n");
+	printf("   SIGALRM - passes SIGKILL to command's process group and exit(1)\n");
+	printf("   SIGUSR1 - passes SIGTERM to command's process group\n");
+	printf("   SIGTERM - passes SIGTERM to command's process group and exit(0)\n");
 }
 
 static void sig_alrm(int sig)
 {
-	kill(0, SIGKILL);
+	fprintf(stderr, "\nMaximum time expired in timelimit - killing\n");
+	kill(-child_pid, SIGKILL);
 	exit(1);
 }
 
-static void sig_term_kill(int sig)
+static void sig_term(int sig)
 {
-	static int c = 0;
-
-	if (c > 2) {
-		kill(0, SIGKILL);
-		exit(0);
-	}
+	kill(-child_pid, SIGTERM);
+	exit(0);
+}
 
-	c++;
+static void sig_usr1(int sig)
+{
+	kill(-child_pid, SIGTERM);
 }
 
-static void sig_term(int sig)
+static void new_process_group(void)
 {
-	kill(0, SIGTERM);
-	signal(SIGTERM, sig_term_kill);
+#ifdef BSD_SETPGRP
+	if (setpgrp(0,0) == -1) {
+		perror("setpgrp");
+		exit(1);
+	}
+#else
+	if (setpgrp() == -1) {
+		perror("setpgrp");
+		exit(1);
+	}
+#endif
 }
 
+
 int main(int argc, char *argv[])
 {
 	int maxtime, ret=1;
+	pid_t pgid;
 
 	if (argc < 3) {
 		usage();
 		exit(1);
 	}
 
-	if (setpgrp() == -1) {
-		perror("setpgrp");
+	maxtime = atoi(argv[1]);
+
+	child_pid = fork();
+	if (child_pid == 0) {
+		new_process_group();
+		execvp(argv[2], argv+2);
+		perror(argv[2]);
 		exit(1);
 	}
 
-	maxtime = atoi(argv[1]);
+	signal(SIGTERM, sig_term);
+	signal(SIGUSR1, sig_usr1);
 	signal(SIGALRM, sig_alrm);
 	alarm(maxtime);
-	signal(SIGTERM, sig_term);
-
-	if (fork() == 0) {
-		execvp(argv[2], argv+2);
-	}
 
 	do {
 		int status;
@@ -74,5 +91,7 @@ int main(int argc, char *argv[])
 		}
 	} while (1);
 
+	kill(-child_pid, SIGKILL);
+
 	exit(ret);
 }