X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fexecute.c;h=c9f25b52d2a10fa2b8c28cb9f4f85b1d01430840;hb=2bf5212a9072b050b2a44c9695305c605e1b7dbe;hp=71da46fb79d60c193fd455470103d6588f960d85;hpb=ae5dae6fd1caa993e969b869e42820a119385cbc;p=gnulib.git diff --git a/lib/execute.c b/lib/execute.c index 71da46fb7..c9f25b52d 100644 --- a/lib/execute.c +++ b/lib/execute.c @@ -44,13 +44,7 @@ #else /* Unix API. */ -# if HAVE_POSIX_SPAWN -# include -# else -# if HAVE_VFORK_H -# include -# endif -# endif +# include #endif @@ -204,7 +198,6 @@ execute (const char *progname, subprocess to exit with return code 127. It is implementation dependent which error is reported which way. We treat both cases as equivalent. */ -#if HAVE_POSIX_SPAWN sigset_t blocked_signals; posix_spawn_file_actions_t actions; bool actions_allocated; @@ -212,11 +205,7 @@ execute (const char *progname, bool attrs_allocated; int err; pid_t child; -#else - int child; -#endif -#if HAVE_POSIX_SPAWN if (slave_process) { sigprocmask (SIG_SETMASK, NULL, &blocked_signals); @@ -274,48 +263,6 @@ execute (const char *progname, posix_spawn_file_actions_destroy (&actions); if (attrs_allocated) posix_spawnattr_destroy (&attrs); -#else - if (slave_process) - block_fatal_signals (); - /* Use vfork() instead of fork() for efficiency. */ - if ((child = vfork ()) == 0) - { - /* Child process code. */ - int nullinfd; - int nulloutfd; - - if ((!null_stdin - || ((nullinfd = open ("/dev/null", O_RDONLY, 0)) >= 0 - && (nullinfd == STDIN_FILENO - || (dup2 (nullinfd, STDIN_FILENO) >= 0 - && close (nullinfd) >= 0)))) - && (!(null_stdout || null_stderr) - || ((nulloutfd = open ("/dev/null", O_RDWR, 0)) >= 0 - && (!null_stdout - || nulloutfd == STDOUT_FILENO - || dup2 (nulloutfd, STDOUT_FILENO) >= 0) - && (!null_stderr - || nulloutfd == STDERR_FILENO - || dup2 (nulloutfd, STDERR_FILENO) >= 0) - && ((null_stdout && nulloutfd == STDOUT_FILENO) - || (null_stderr && nulloutfd == STDERR_FILENO) - || close (nulloutfd) >= 0))) - && (!slave_process || (unblock_fatal_signals (), true))) - execvp (prog_path, prog_argv); - _exit (127); - } - if (child == -1) - { - if (slave_process) - unblock_fatal_signals (); - if (termsigp != NULL) - *termsigp = 0; - if (exit_on_error || !null_stderr) - error (exit_on_error ? EXIT_FAILURE : 0, errno, - _("%s subprocess failed"), progname); - return 127; - } -#endif if (slave_process) { register_slave_subprocess (child);