diff options
Diffstat (limited to 'source3/script/tests/timelimit.c')
-rw-r--r-- | source3/script/tests/timelimit.c | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/source3/script/tests/timelimit.c b/source3/script/tests/timelimit.c new file mode 100644 index 0000000000..93d7f6497e --- /dev/null +++ b/source3/script/tests/timelimit.c @@ -0,0 +1,78 @@ +/* run a command with a limited timeout + tridge@samba.org, June 2005 + + attempt to be as portable as possible (fighting posix all the way) +*/ +#include <stdio.h> +#include <string.h> +#include <stdlib.h> +#include <unistd.h> +#include <signal.h> +#include <errno.h> +#include <sys/types.h> +#include <sys/wait.h> + +static void usage(void) +{ + printf("usage: timelimit <time> <command>\n"); +} + +static void sig_alrm(int sig) +{ + kill(0, SIGKILL); + exit(1); +} + +static void sig_term_kill(int sig) +{ + static int c = 0; + + if (c > 2) { + kill(0, SIGKILL); + exit(0); + } + + c++; +} + +static void sig_term(int sig) +{ + kill(0, SIGTERM); + signal(SIGTERM, sig_term_kill); +} + +int main(int argc, char *argv[]) +{ + int maxtime, ret=1; + + if (argc < 3) { + usage(); + exit(1); + } + + if (setpgrp() == -1) { + perror("setpgrp"); + exit(1); + } + + maxtime = atoi(argv[1]); + signal(SIGALRM, sig_alrm); + alarm(maxtime); + signal(SIGTERM, sig_term); + + if (fork() == 0) { + execvp(argv[2], argv+2); + } + + do { + int status; + pid_t pid = wait(&status); + if (pid != -1) { + ret = WEXITSTATUS(status); + } else if (errno == ECHILD) { + break; + } + } while (1); + + exit(ret); +} |