diff options
Diffstat (limited to 'nsprpub/pr/src/md/beos/bproc.c')
| -rw-r--r-- | nsprpub/pr/src/md/beos/bproc.c | 212 |
1 files changed, 0 insertions, 212 deletions
diff --git a/nsprpub/pr/src/md/beos/bproc.c b/nsprpub/pr/src/md/beos/bproc.c deleted file mode 100644 index 30ac56990..000000000 --- a/nsprpub/pr/src/md/beos/bproc.c +++ /dev/null @@ -1,212 +0,0 @@ -/* -*- Mode: C++; tab-width: 8; c-basic-offset: 8 -*- */ -/* This Source Code Form is subject to the terms of the Mozilla Public - * License, v. 2.0. If a copy of the MPL was not distributed with this - * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ - -#include "primpl.h" -#include <stdio.h> -#include <signal.h> - -#define _PR_SIGNALED_EXITSTATUS 256 - -PRProcess* -_MD_create_process (const char *path, char *const *argv, - char *const *envp, const PRProcessAttr *attr) -{ - PRProcess *process; - int nEnv, idx; - char *const *childEnvp; - char **newEnvp = NULL; - int flags; - PRBool found = PR_FALSE; - - process = PR_NEW(PRProcess); - if (!process) { - PR_SetError(PR_OUT_OF_MEMORY_ERROR, 0); - return NULL; - } - - childEnvp = envp; - if (attr && attr->fdInheritBuffer) { - if (NULL == childEnvp) { - childEnvp = environ; - } - for (nEnv = 0; childEnvp[nEnv]; nEnv++) { - } - newEnvp = (char **) PR_MALLOC((nEnv + 2) * sizeof(char *)); - if (NULL == newEnvp) { - PR_DELETE(process); - PR_SetError(PR_OUT_OF_MEMORY_ERROR, 0); - return NULL; - } - for (idx = 0; idx < nEnv; idx++) { - newEnvp[idx] = childEnvp[idx]; - if (!found && !strncmp(newEnvp[idx], "NSPR_INHERIT_FDS=", 17)) { - newEnvp[idx] = attr->fdInheritBuffer; - found = PR_TRUE; - } - } - if (!found) { - newEnvp[idx++] = attr->fdInheritBuffer; - } - newEnvp[idx] = NULL; - childEnvp = newEnvp; - } - - process->md.pid = fork(); - - if ((pid_t) -1 == process->md.pid) { - PR_SetError(PR_INSUFFICIENT_RESOURCES_ERROR, errno); - PR_DELETE(process); - if (newEnvp) { - PR_DELETE(newEnvp); - } - return NULL; - } else if (0 == process->md.pid) { /* the child process */ - /* - * If the child process needs to exit, it must call _exit(). - * Do not call exit(), because exit() will flush and close - * the standard I/O file descriptors, and hence corrupt - * the parent process's standard I/O data structures. - */ - - if (attr) { - /* the osfd's to redirect stdin, stdout, and stderr to */ - int in_osfd = -1, out_osfd = -1, err_osfd = -1; - - if (attr->stdinFd - && attr->stdinFd->secret->md.osfd != 0) { - in_osfd = attr->stdinFd->secret->md.osfd; - if (dup2(in_osfd, 0) != 0) { - _exit(1); /* failed */ - } - flags = fcntl(0, F_GETFL, 0); - if (flags & O_NONBLOCK) { - fcntl(0, F_SETFL, flags & ~O_NONBLOCK); - } - } - if (attr->stdoutFd - && attr->stdoutFd->secret->md.osfd != 1) { - out_osfd = attr->stdoutFd->secret->md.osfd; - if (dup2(out_osfd, 1) != 1) { - _exit(1); /* failed */ - } - flags = fcntl(1, F_GETFL, 0); - if (flags & O_NONBLOCK) { - fcntl(1, F_SETFL, flags & ~O_NONBLOCK); - } - } - if (attr->stderrFd - && attr->stderrFd->secret->md.osfd != 2) { - err_osfd = attr->stderrFd->secret->md.osfd; - if (dup2(err_osfd, 2) != 2) { - _exit(1); /* failed */ - } - flags = fcntl(2, F_GETFL, 0); - if (flags & O_NONBLOCK) { - fcntl(2, F_SETFL, flags & ~O_NONBLOCK); - } - } - if (in_osfd != -1) { - close(in_osfd); - } - if (out_osfd != -1 && out_osfd != in_osfd) { - close(out_osfd); - } - if (err_osfd != -1 && err_osfd != in_osfd - && err_osfd != out_osfd) { - close(err_osfd); - } - if (attr->currentDirectory) { - if (chdir(attr->currentDirectory) < 0) { - _exit(1); /* failed */ - } - } - } - - if (childEnvp) { - (void)execve(path, argv, childEnvp); - } else { - /* Inherit the environment of the parent. */ - (void)execv(path, argv); - } - /* Whoops! It returned. That's a bad sign. */ - _exit(1); - } - - if (newEnvp) { - PR_DELETE(newEnvp); - } - - return process; -} - -PRStatus -_MD_detach_process (PRProcess *process) -{ - /* If we kept a process table like unix does, - * we'd remove the entry here. - * Since we dont', just delete the process variable - */ - PR_DELETE(process); - return PR_SUCCESS; -} - -PRStatus -_MD_wait_process (PRProcess *process, PRInt32 *exitCode) -{ - PRStatus retVal = PR_SUCCESS; - int ret, status; - - /* Ignore interruptions */ - do { - ret = waitpid(process->md.pid, &status, 0); - } while (ret == -1 && errno == EINTR); - - /* - * waitpid() cannot return 0 because we did not invoke it - * with the WNOHANG option. - */ - PR_ASSERT(0 != ret); - - if (ret < 0) { - PR_SetError(PR_UNKNOWN_ERROR, _MD_ERRNO()); - return PR_FAILURE; - } - - /* If child process exited normally, return child exit code */ - if (WIFEXITED(status)) { - *exitCode = WEXITSTATUS(status); - } else { - PR_ASSERT(WIFSIGNALED(status)); - *exitCode = _PR_SIGNALED_EXITSTATUS; - } - - PR_DELETE(process); - return PR_SUCCESS; -} - -PRStatus -_MD_kill_process (PRProcess *process) -{ - PRErrorCode prerror; - PRInt32 oserror; - - if (kill(process->md.pid, SIGKILL) == 0) { - return PR_SUCCESS; - } - oserror = errno; - switch (oserror) { - case EPERM: - prerror = PR_NO_ACCESS_RIGHTS_ERROR; - break; - case ESRCH: - prerror = PR_INVALID_ARGUMENT_ERROR; - break; - default: - prerror = PR_UNKNOWN_ERROR; - break; - } - PR_SetError(prerror, oserror); - return PR_FAILURE; -} |