diff options
| -rw-r--r-- | test/nstool.c | 36 |
1 files changed, 26 insertions, 10 deletions
diff --git a/test/nstool.c b/test/nstool.c index 3f75edd..7ab5d2a 100644 --- a/test/nstool.c +++ b/test/nstool.c @@ -31,10 +31,15 @@ #define ARRAY_SIZE(a) ((int)(sizeof(a) / sizeof((a)[0]))) -#define die(...) \ - do { \ - fprintf(stderr, __VA_ARGS__); \ - exit(1); \ +#define die(...) \ + do { \ + fprintf(stderr, "nstool: " __VA_ARGS__); \ + exit(1); \ + } while (0) + +#define err(...) \ + do { \ + fprintf(stderr, "nstool: " __VA_ARGS__); \ } while (0) struct ns_type { @@ -156,6 +161,9 @@ static int connect_ctl(const char *sockpath, bool wait, static void cmd_hold(int argc, char *argv[]) { + struct sigaction sa = { + .sa_handler = SIG_IGN, + }; int fd = socket(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, PF_UNIX); struct sockaddr_un addr; const char *sockpath = argv[1]; @@ -185,6 +193,10 @@ static void cmd_hold(int argc, char *argv[]) if (!getcwd(info.cwd, sizeof(info.cwd))) die("getcwd(): %s\n", strerror(errno)); + rc = sigaction(SIGPIPE, &sa, NULL); + if (rc) + die("sigaction(SIGPIPE): %s\n", strerror(errno)); + do { int afd = accept(fd, NULL, NULL); char buf; @@ -193,17 +205,21 @@ static void cmd_hold(int argc, char *argv[]) die("accept(): %s\n", strerror(errno)); rc = write(afd, &info, sizeof(info)); - if (rc < 0) - die("write(): %s\n", strerror(errno)); + if (rc < 0) { + err("holder write() to control socket: %s\n", + strerror(errno)); + } if ((size_t)rc < sizeof(info)) - die("short write() on control socket\n"); + err("holder short write() on control socket\n"); rc = read(afd, &buf, sizeof(buf)); - if (rc < 0) - die("read(): %s\n", strerror(errno)); + if (rc < 0) { + err("holder read() on control socket: %s\n", + strerror(errno)); + } close(afd); - } while (rc == 0); + } while (rc <= 0); unlink(sockpath); } |