diff options
Diffstat (limited to 'src/supervise-daemon/supervise-daemon.c')
| -rw-r--r-- | src/supervise-daemon/supervise-daemon.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/supervise-daemon/supervise-daemon.c b/src/supervise-daemon/supervise-daemon.c index 68490ad4..9a1b6f55 100644 --- a/src/supervise-daemon/supervise-daemon.c +++ b/src/supervise-daemon/supervise-daemon.c @@ -22,6 +22,11 @@ #define ONE_SECOND 1000000000 #define ONE_MS 1000000 +#ifdef HAVE_CLOSE_RANGE_CLOEXEC +/* For close_range() */ +# define _GNU_SOURCE +#endif + #include <sys/types.h> #include <sys/ioctl.h> #include <sys/resource.h> @@ -569,8 +574,11 @@ static void child_process(char *exec, char **argv) if (redirect_stderr || rc_yesno(getenv("EINFO_QUIET"))) dup2(stderr_fd, STDERR_FILENO); - for (i = getdtablesize() - 1; i >= 3; --i) - fcntl(i, F_SETFD, FD_CLOEXEC); +#ifdef HAVE_CLOSE_RANGE_CLOEXEC + if (close_range(3, UINT_MAX, CLOSE_RANGE_CLOEXEC) < 0) +#endif + for (i = getdtablesize() - 1; i >= 3; --i) + fcntl(i, F_SETFD, FD_CLOEXEC); cmdline = make_cmdline(argv); syslog(LOG_INFO, "Child command line: %s", cmdline); free(cmdline); |