X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=exec.c;h=86a483cfd8e704eda8907d7399e891f603633393;hp=bbf1b41addf8aab65363065c9e3b6ad91cae4968;hb=c00d7e25de7006d6f88aafb2b485057377a70324;hpb=ebb0565e946770c5b83c4d28c1f674dffdeaf551 diff --git a/exec.c b/exec.c index bbf1b41a..86a483cf 100644 --- a/exec.c +++ b/exec.c @@ -1,14 +1,16 @@ /* - * Copyright (C) 2003-2008 Andre Noll + * Copyright (C) 2003-2009 Andre Noll * * Licensed under the GPL v2. For licencing details see COPYING. */ /** \file exec.c Helper functions for spawning new processes. */ +#include #include "para.h" #include "close_on_fork.h" #include "error.h" #include "string.h" +#include "fd.h" /** * Spawn a new process and redirect fd 0, 1, and 2. @@ -35,15 +37,18 @@ static int para_exec(pid_t *pid, const char *file, char *const *const args, int if (fds[2] > 0 && pipe(err) < 0) goto err_out; if (!fds[0] || !fds[1] || !fds[2]) { - ret = -E_NULL_OPEN; - null = open("/dev/null", O_RDONLY); - if (null < 0) + ret = para_open("/dev/null", O_RDWR, 42); + if (ret < 0) goto err_out; + null = ret; } - if ((*pid = fork()) < 0) - exit(EXIT_FAILURE); + ret = fork(); + if (ret < 0) { + ret = -ERRNO_TO_PARA_ERROR(errno); + goto err_out; + } + *pid = ret; if (!(*pid)) { /* child */ - close_listed_fds(); /* close unneeded fds */ if (fds[0] >= 0) { if (fds[0]) { close(in[1]); @@ -103,6 +108,7 @@ err_out: close(in[1]); if (null >= 0) close(null); + PARA_ERROR_LOG("%s\n", para_strerror(-ret)); return ret; } @@ -129,13 +135,11 @@ err_out: */ int para_exec_cmdline_pid(pid_t *pid, const char *cmdline, int *fds) { - int argc, ret; + int ret; char **argv; char *tmp = para_strdup(cmdline); - if (!tmp) - exit(EXIT_FAILURE); - argc = split_args(tmp, &argv, " \t"); + split_args(tmp, &argv, " \t"); ret = para_exec(pid, argv[0], argv, fds); free(argv); free(tmp);