author | timothy.murphy@nokia.com |
Fri, 19 Feb 2010 19:06:05 +0000 | |
branch | fix |
changeset 239 | 697a7a6b9680 |
parent 237 | dd11681bd6f3 |
child 240 | fbc6a8ad3957 |
permissions | -rw-r--r-- |
3 | 1 |
/* |
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of the License "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* |
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*/ |
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#include <unistd.h> |
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#include "process.h" |
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#include "buffer.h" |
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#include <stdlib.h> |
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#include <string.h> |
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#include <poll.h> |
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#include <signal.h> |
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#include <errno.h> |
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#include <sys/wait.h> |
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#include "log.h" |
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proc *process_new(void) |
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{ |
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proc *p = malloc(sizeof(proc)); |
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p->output = buffer_new(); |
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if (!p->output) |
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{ |
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free(p); |
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return NULL; |
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} |
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p->starttime = 0; |
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p->endtime = 0; |
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p->returncode = 1; |
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p->pid = 0; |
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p->causeofdeath = PROC_NORMALDEATH; |
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return p; |
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} |
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void childsig(int sig) |
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{ |
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//wait(&stat_loc); |
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DEBUG(("SIGCHLD\n")); |
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} |
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struct sigaction child_action; |
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proc *process_run(char executable[], char *args[], int timeout) |
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{ |
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proc *p = process_new(); |
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if (p == NULL) |
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return NULL; |
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char *text; |
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int status; |
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int stdout_p[2]; |
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int stderr_p[2]; |
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child_action.sa_handler = childsig; |
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sigemptyset (&child_action.sa_mask); |
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child_action.sa_flags = 0; |
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sigaction (SIGCHLD, &child_action, NULL); |
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pipe(stdout_p); |
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pipe(stderr_p); |
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pid_t child = fork(); |
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if (child == 0) |
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{ |
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close(stdout_p[0]); |
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dup2(stdout_p[1], 1); |
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close(stdout_p[1]); |
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close(stderr_p[0]); |
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dup2(stderr_p[1], 2); |
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close(stderr_p[1]); |
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execvp(executable, args); |
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exit(1); |
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} else if (child == -1) { |
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p->causeofdeath = PROC_SOMEODDDEATH; |
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return p; |
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} |
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else |
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{ |
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close(stdout_p[1]); |
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close(stderr_p[1]); |
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p->pid = child; |
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DEBUG(("child running\n")); |
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} |
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struct pollfd pf[2]; |
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int pv; |
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int have_status = 0; |
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do |
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{ |
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pf[0].fd = stdout_p[0]; |
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pf[1].fd = stderr_p[0]; |
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pf[0].events = POLLIN; |
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pf[0].revents = 0; |
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pf[1].events = POLLIN; |
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pf[1].revents = 0; |
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DEBUG(("polling\n")); |
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pv = poll(pf, 2, timeout); |
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DEBUG(("polled %d\n", pv)); |
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if (pv == -1) |
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{ |
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if (errno == EAGAIN) |
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{ |
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errno = 0; |
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DEBUG(("errno: \n")); |
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continue; |
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} else { |
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/* EINVAL - can't poll */ |
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process_free(&p); |
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return NULL; |
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} |
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} else if (pv == 0 ) { |
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/* timeout */ |
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DEBUG(("timeout: \n")); |
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kill(p->pid, SIGTERM); |
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p->causeofdeath = PROC_TIMEOUTDEATH; |
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break; |
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} |
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if (pf[0].revents & POLLIN ) |
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{ |
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char *space = buffer_makespace(p->output, 1024); |
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int nbytes = read(pf[0].fd, space, 1024); |
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if (nbytes < 0) |
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break; |
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buffer_usespace(p->output, nbytes); |
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} |
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if (pf[1].revents & POLLIN ) |
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{ |
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char *space = buffer_makespace(p->output, 1024); |
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int nbytes = read(pf[1].fd, space, 1024); |
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if (nbytes < 0) |
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break; |
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buffer_usespace(p->output, nbytes); |
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} |
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if (pf[0].revents & (POLLERR | POLLHUP | POLLNVAL)) |
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{ |
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DEBUG(("stdout: pollerr %d\n", pf[0].revents)); |
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break; |
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} |
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if ( pf[1].revents & (POLLERR | POLLHUP | POLLNVAL)) |
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{ |
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DEBUG(("stderr: pollerr %d\n", pf[1].revents)); |
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break; |
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} |
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DEBUG(("events: %d %d \n", pf[0].revents, pf[1].revents)); |
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} |
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while (1); |
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waitpid(p->pid, &status, 0); |
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if (WIFEXITED(status)) |
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{ |
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p->causeofdeath = PROC_NORMALDEATH; |
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p->returncode = WEXITSTATUS(status); |
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DEBUG(("process exited normally \n")); |
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} else { |
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237
dd11681bd6f3
SF bug 1861 : display informative messages when timeouts occur in build tasks.
timothy.murphy@nokia.com
parents:
3
diff
changeset
|
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if (p->causeofdeath == PROC_TIMEOUTDEATH) |
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p->returncode = 128; |
237
dd11681bd6f3
SF bug 1861 : display informative messages when timeouts occur in build tasks.
timothy.murphy@nokia.com
parents:
3
diff
changeset
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else { |
dd11681bd6f3
SF bug 1861 : display informative messages when timeouts occur in build tasks.
timothy.murphy@nokia.com
parents:
3
diff
changeset
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p->causeofdeath = PROC_SOMEODDDEATH; |
dd11681bd6f3
SF bug 1861 : display informative messages when timeouts occur in build tasks.
timothy.murphy@nokia.com
parents:
3
diff
changeset
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if (WIFSIGNALED(status)) |
dd11681bd6f3
SF bug 1861 : display informative messages when timeouts occur in build tasks.
timothy.murphy@nokia.com
parents:
3
diff
changeset
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p->returncode = WTERMSIG(status); |
dd11681bd6f3
SF bug 1861 : display informative messages when timeouts occur in build tasks.
timothy.murphy@nokia.com
parents:
3
diff
changeset
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else |
dd11681bd6f3
SF bug 1861 : display informative messages when timeouts occur in build tasks.
timothy.murphy@nokia.com
parents:
3
diff
changeset
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p->returncode = 128; |
dd11681bd6f3
SF bug 1861 : display informative messages when timeouts occur in build tasks.
timothy.murphy@nokia.com
parents:
3
diff
changeset
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} |
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DEBUG(("process terminated \n")); |
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} |
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return p; |
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} |
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void process_free(proc **pp) |
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{ |
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if (!pp) |
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return; |
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if (! *pp) |
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return; |
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if ((*pp)->output) |
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buffer_free(&((*pp)->output)); |
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free(*pp); |
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*pp = NULL; |
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} |