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author | Stefan Fritsch <sf@sfritsch.de> | 2011-12-27 19:42:03 +0100 |
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committer | Stefan Fritsch <sf@sfritsch.de> | 2011-12-27 19:42:03 +0100 |
commit | 80db94fff6a9620fb469ee911347ed973e3f7735 (patch) | |
tree | 35ccde4018b7e6b84103e5e85dc1085ef9e7d6c2 /srclib/apr/threadproc/netware/procsup.c | |
download | apache2-80db94fff6a9620fb469ee911347ed973e3f7735.tar.gz |
Upstream tarball 2.2.3upstream/2.2.3
Diffstat (limited to 'srclib/apr/threadproc/netware/procsup.c')
-rw-r--r-- | srclib/apr/threadproc/netware/procsup.c | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/srclib/apr/threadproc/netware/procsup.c b/srclib/apr/threadproc/netware/procsup.c new file mode 100644 index 00000000..008dcaae --- /dev/null +++ b/srclib/apr/threadproc/netware/procsup.c @@ -0,0 +1,102 @@ +/* Copyright 2000-2005 The Apache Software Foundation or its licensors, as + * applicable. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "apr_arch_threadproc.h" + +apr_status_t apr_proc_detach(int daemonize) +{ +#if 0 + int x; + pid_t pgrp; + + chdir("/"); +#if !defined(MPE) && !defined(OS2) && !defined(TPF) && !defined(BEOS) +/* Don't detach for MPE because child processes can't survive the death of + the parent. */ + if ((x = fork()) > 0) + exit(0); + else if (x == -1) { + perror("fork"); + fprintf(stderr, "unable to fork new process\n"); + exit(1); /* we can't do anything here, so just exit. */ + } +/* RAISE_SIGSTOP(DETACH);*/ +#endif +#if APR_HAVE_SETSID + if ((pgrp = setsid()) == -1) { + return errno; + } +#elif defined(NEXT) || defined(NEWSOS) + if (setpgrp(0, getpid()) == -1 || (pgrp = getpgrp(0)) == -1) { + return errno; + } +#elif defined(OS2) || defined(TPF) + /* OS/2 don't support process group IDs */ + pgrp = getpid(); +#elif defined(MPE) + /* MPE uses negative pid for process group */ + pgrp = -getpid(); +#else + if ((pgrp = setpgid(0, 0)) == -1) { + return errno; + } +#endif + + /* close out the standard file descriptors */ + if (freopen("/dev/null", "r", stdin) == NULL) { + return errno; + /* continue anyhow -- note we can't close out descriptor 0 because we + * have nothing to replace it with, and if we didn't have a descriptor + * 0 the next file would be created with that value ... leading to + * havoc. + */ + } + if (freopen("/dev/null", "w", stdout) == NULL) { + return errno; + } + /* We are going to reopen this again in a little while to the error + * log file, but better to do it twice and suffer a small performance + * hit for consistancy than not reopen it here. + */ + if (freopen("/dev/null", "w", stderr) == NULL) { + return errno; + } +#endif + return APR_SUCCESS; +} + +#if 0 +#if (!HAVE_WAITPID) +/* From ikluft@amdahl.com + * this is not ideal but it works for SVR3 variants + * Modified by dwd@bell-labs.com to call wait3 instead of wait because + * apache started to use the WNOHANG option. + */ +int waitpid(pid_t pid, int *statusp, int options) +{ + int tmp_pid; + if (kill(pid, 0) == -1) { + errno = ECHILD; + return -1; + } + while (((tmp_pid = wait3(statusp, options, 0)) != pid) && + (tmp_pid != -1) && (tmp_pid != 0) && (pid != -1)) + ; + return tmp_pid; +} +#endif +#endif + |