+++ /dev/null
-/* run_context -- stuff in which TESH runs a command */
-
-/* Copyright (c) 2007-2014. The SimGrid Team.
- * All rights reserved. */
-
-/* This program is free software; you can redistribute it and/or modify it
- * under the terms of the license (GNU LGPL) which comes with this package. */
-
-#include "tesh.h"
-
-#include <signal.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include <math.h> /* floor */
-
-XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(tesh);
-
-int fg_job = 0;
-xbt_dynar_t bg_jobs = NULL;
-rctx_t armageddon_initiator = NULL;
-xbt_os_mutex_t armageddon_mutex = NULL;
-struct {
- int num;
- struct sigaction act;
-} oldact[3]; /* SIGINT, SIGQUIT, SIGTERM */
-
-xbt_os_thread_t sigwaiter_thread;
-xbt_os_mutex_t sigwaiter_mutex;
-xbt_os_cond_t sigwaiter_cond;
-int armageddon_requested = 0;
-int caught_signum = 0;
-
-/*
- * Module management
- */
-
-static void armageddon_sighandler(int signum)
-{
- xbt_os_mutex_acquire(sigwaiter_mutex);
- caught_signum = signum;
- armageddon_requested = 1;
- xbt_os_cond_signal(sigwaiter_cond);
- xbt_os_mutex_release(sigwaiter_mutex);
-}
-
-static void *armageddon_sigwaiter(_XBT_GNUC_UNUSED void *arg)
-{
- xbt_os_mutex_acquire(sigwaiter_mutex);
- /* Inform main thread that it started. */
- xbt_os_cond_signal(sigwaiter_cond);
- /* Wait for ending signal... */
- xbt_os_cond_wait(sigwaiter_cond, sigwaiter_mutex);
- if (armageddon_requested) {
- XBT_ERROR("Test suite `%s': caught signal %d", testsuite_name, caught_signum);
- rctx_armageddon(rctx, 3);
- }
- xbt_os_mutex_release(sigwaiter_mutex);
- return NULL;
-}
-
-static void wait_it(rctx_t rctx)
-{
- XBT_VERB("Join thread %p which were running background cmd <%s>",
- rctx->runner, rctx->filepos);
- xbt_os_thread_join(rctx->runner, NULL);
-}
-
-static void kill_it(void *r)
-{
- rctx_t rctx = *(rctx_t *) r;
- wait_it(rctx);
- rctx_free(rctx);
-}
-
-void rctx_init(void)
-{
- struct sigaction newact;
- int i;
- fg_job = 0;
- bg_jobs = xbt_dynar_new(sizeof(rctx_t), kill_it);
- armageddon_mutex = xbt_os_mutex_init();
- armageddon_initiator = NULL;
- sigwaiter_mutex = xbt_os_mutex_init();
- sigwaiter_cond = xbt_os_cond_init();
- xbt_os_mutex_acquire(sigwaiter_mutex);
- sigwaiter_thread = xbt_os_thread_create("Armageddon request waiter",
- armageddon_sigwaiter, NULL, NULL);
- /* Wait for thread to start... */
- xbt_os_cond_wait(sigwaiter_cond, sigwaiter_mutex);
- xbt_os_mutex_release(sigwaiter_mutex);
- memset(&newact, 0, sizeof(newact));
- newact.sa_handler = armageddon_sighandler;
- oldact[0].num = SIGINT;
- oldact[1].num = SIGQUIT;
- oldact[2].num = SIGTERM;
- for (i = 0; i < 3; i++)
- sigaction(oldact[i].num, &newact, &oldact[i].act);
-}
-
-void rctx_exit(void)
-{
- int i;
- for (i = 0; i < 3; i++)
- sigaction(oldact[i].num, &oldact[i].act, NULL);
- xbt_os_cond_signal(sigwaiter_cond);
- xbt_os_thread_join(sigwaiter_thread, NULL);
- xbt_dynar_free(&bg_jobs);
- xbt_os_cond_destroy(sigwaiter_cond);
- xbt_os_mutex_destroy(sigwaiter_mutex);
- xbt_os_mutex_destroy(armageddon_mutex);
-}
-
-void rctx_wait_bg(void)
-{
- /* Do not use xbt_dynar_free or it will lock the dynar, preventing armageddon
- * from working */
- while (!xbt_dynar_is_empty(bg_jobs)) {
- rctx_t rctx = xbt_dynar_getlast_as(bg_jobs, rctx_t);
- wait_it(rctx);
- xbt_dynar_pop(bg_jobs, &rctx);
- rctx_free(rctx);
- }
- xbt_dynar_reset(bg_jobs);
-}
-
-static void rctx_armageddon_kill_one(rctx_t initiator, const char *filepos,
- rctx_t rctx)
-{
- if (rctx != initiator) {
- XBT_INFO("Kill <%s> because <%s> failed", rctx->filepos, filepos);
- xbt_os_mutex_acquire(rctx->interruption);
- if (!rctx->reader_done) {
- rctx->interrupted = 1;
- kill(rctx->pid, SIGTERM);
- struct timespec ts;
- ts.tv_sec = 0;
- ts.tv_nsec = (100e-6 - floor(100e-6)) * 1e9;
- nanosleep (&ts, NULL);
- kill(rctx->pid, SIGKILL);
- }
- xbt_os_mutex_release(rctx->interruption);
- }
-}
-
-void rctx_armageddon(rctx_t initiator, int exitcode)
-{
- unsigned int cursor;
- rctx_t job;
- const char *filepos = initiator && initiator->filepos ?
- initiator->filepos : "(master)";
-
- XBT_DEBUG("Armageddon request by <%s> (exit=%d)", filepos, exitcode);
- xbt_os_mutex_acquire(armageddon_mutex);
- if (armageddon_initiator != NULL) {
- XBT_VERB("Armageddon already started. Let it go");
- xbt_os_mutex_release(armageddon_mutex);
- return;
- }
- XBT_DEBUG("Armageddon request by <%s> got the lock. Let's go amok",
- filepos);
- armageddon_initiator = initiator;
- xbt_os_mutex_release(armageddon_mutex);
-
- /* Kill foreground command */
- if (fg_job)
- rctx_armageddon_kill_one(initiator, filepos, rctx);
-
- /* Kill any background commands */
- xbt_dynar_foreach(bg_jobs, cursor, job) {
- rctx_armageddon_kill_one(initiator, filepos, job);
- }
-
- /* Give runner threads a chance to acknowledge the processes deaths */
- struct timespec ts;
- ts.tv_sec = 0;
- ts.tv_nsec = (10000e-6 - floor(10000e-6)) * 1e9;
- nanosleep (&ts, NULL);
- /* Ensure that nobody is running rctx_wait on exit */
- if (fg_job)
- xbt_os_mutex_acquire(rctx->interruption);
- xbt_dynar_foreach(bg_jobs, cursor, job)
- xbt_os_mutex_acquire(job->interruption);
- XBT_VERB("Shut everything down!");
- exit(exitcode);
-}
-
-/*
- * Memory management
- */
-
-void rctx_empty(rctx_t rc)
-{
- int i;
- char **env_it;
- void *filepos;
-
- free(rc->cmd);
- rc->cmd = NULL;
- /* avoid race with rctx_armageddon log messages */
- filepos = rc->filepos;
- rc->filepos = NULL;
- free(filepos);
- for (i = 0, env_it = environ; *env_it; i++, env_it++);
- if (rc->env) {
- for (env_it = rctx->env + i; *env_it; env_it++)
- free(*env_it);
- free(rc->env);
- }
- rc->env_size = i + 1;
- rc->env = malloc(rc->env_size * sizeof(char *));
- memcpy(rc->env, environ, rc->env_size * sizeof(char *));
-
- rc->is_empty = 1;
- rc->is_background = 0;
- rc->is_stoppable = 0;
- rc->output = e_output_check;
- rc->output_sort = 0;
- rc->brokenpipe = 0;
- rc->timeout = 0;
- rc->interrupted = 0;
- xbt_strbuff_empty(rc->input);
- xbt_strbuff_empty(rc->output_wanted);
- xbt_strbuff_empty(rc->output_got);
-}
-
-
-rctx_t rctx_new()
-{
- rctx_t res = xbt_new0(s_rctx_t, 1);
-
- res->input = xbt_strbuff_new();
- res->output_sort = 0;
- res->output_wanted = xbt_strbuff_new();
- res->output_got = xbt_strbuff_new();
- res->interruption = xbt_os_mutex_init();
- rctx_empty(res);
- return res;
-}
-
-void rctx_free(rctx_t rctx)
-{
- XBT_DEBUG("RCTX: Free %p", rctx);
- rctx_dump(rctx, "free");
- if (!rctx)
- return;
-
- free(rctx->cmd);
- free(rctx->filepos);
- if (rctx->env) {
- int i;
- char **env_it;
- for (i = 0, env_it = environ; *env_it; i++, env_it++);
- for (env_it = rctx->env + i; *env_it; env_it++)
- free(*env_it);
- free(rctx->env);
- }
- xbt_os_mutex_destroy(rctx->interruption);
- xbt_strbuff_free(rctx->input);
- xbt_strbuff_free(rctx->output_got);
- xbt_strbuff_free(rctx->output_wanted);
- free(rctx);
-}
-
-void rctx_dump(rctx_t rctx, const char *str)
-{
- XBT_DEBUG("%s RCTX %p={in%p={%d,%10s}, want={%d,%10s}, out={%d,%10s}}",
- str, rctx,
- rctx->input, rctx->input->used, rctx->input->data,
- rctx->output_wanted->used, rctx->output_wanted->data,
- rctx->output_got->used, rctx->output_got->data);
- XBT_DEBUG("%s RCTX %p=[cmd%p=%10s, pid=%d]",
- str, rctx, rctx->cmd, rctx->cmd, rctx->pid);
-
-}
-
-/*
- * Getting instructions from the file
- */
-
-void rctx_pushline(const char *filepos, char kind, char *line)
-{
-
- switch (kind) {
- case '$':
- case '&':
- if (rctx->cmd) {
- if (!rctx->is_empty) {
- XBT_ERROR
- ("[%s] More than one command in this chunk of lines (previous: %s).\n"
- " Cannot guess which input/output belongs to which command.",
- filepos, rctx->cmd);
- XBT_ERROR("Test suite `%s': NOK (syntax error)", testsuite_name);
- rctx_armageddon(rctx, 1);
- return;
- }
- rctx_start();
- XBT_VERB("[%s] More than one command in this chunk of lines", filepos);
- }
- if (kind == '&')
- rctx->is_background = 1;
- else
- rctx->is_background = 0;
-
- rctx->cmd = xbt_strdup(line);
- rctx->filepos = xbt_strdup(filepos);
- if (option){
- char *newcmd = bprintf("%s %s", rctx->cmd, option);
- free(rctx->cmd);
- rctx->cmd = newcmd;
- }
- XBT_INFO("[%s] %s%s", filepos, rctx->cmd,
- ((rctx->is_background) ? " (background command)" : ""));
-
- break;
-
- case '<':
- rctx->is_empty = 0;
- xbt_strbuff_append(rctx->input, line);
- xbt_strbuff_append(rctx->input, "\n");
- break;
-
- case '>':
- rctx->is_empty = 0;
- xbt_strbuff_append(rctx->output_wanted, line);
- xbt_strbuff_append(rctx->output_wanted, "\n");
- XBT_DEBUG("wanted:%s",rctx->output_wanted->data);
- break;
-
- case '!':
- if (rctx->cmd)
- rctx_start();
-
- if (!strncmp(line, "timeout no", strlen("timeout no"))) {
- XBT_VERB("[%s] (disable timeout)", filepos);
- timeout_value = -1;
- } else if (!strncmp(line, "timeout ", strlen("timeout "))) {
- timeout_value = atoi(line + strlen("timeout"));
- XBT_VERB("[%s] (new timeout value: %d)", filepos, timeout_value);
-
- } else if (!strncmp(line, "expect signal ", strlen("expect signal "))) {
- rctx->expected_signal = strdup(line + strlen("expect signal "));
- xbt_str_trim(rctx->expected_signal, " \n");
- XBT_VERB("[%s] (next command must raise signal %s)",
- filepos, rctx->expected_signal);
-
- } else if (!strncmp(line, "expect return ", strlen("expect return "))) {
- rctx->expected_return = atoi(line + strlen("expect return "));
- XBT_VERB("[%s] (next command must return code %d)",
- filepos, rctx->expected_return);
-
- } else if (!strncmp(line, "output sort", strlen("output sort"))) {
- sort_len = atoi(line + strlen("output sort"));
- if (sort_len==0)
- sort_len=SORT_LEN_DEFAULT;
- rctx->output_sort = 1;
- XBT_VERB("[%s] (sort output of next command)", filepos);
-
- } else if (!strncmp(line, "output ignore", strlen("output ignore"))) {
- rctx->output = e_output_ignore;
- XBT_VERB("[%s] (ignore output of next command)", filepos);
-
- } else if (!strncmp(line, "output display", strlen("output display"))) {
- rctx->output = e_output_display;
- XBT_VERB("[%s] (ignore output of next command)", filepos);
-
- } else if (!strncmp(line, "setenv ", strlen("setenv "))) {
- int len = strlen("setenv ");
- char *eq = strchr(line + len, '=');
- char *key = bprintf("%.*s", (int) (eq - line - len), line + len);
- xbt_dict_set(env, key, xbt_strdup(eq + 1), NULL);
- free(key);
-
- rctx->env = realloc(rctx->env, ++(rctx->env_size) * sizeof(char *));
- rctx->env[rctx->env_size - 2] = xbt_strdup(line + len);
- rctx->env[rctx->env_size - 1] = NULL;
- XBT_VERB("[%s] setenv %s", filepos, line + len);
-
- } else {
- XBT_ERROR("%s: Malformed metacommand: %s", filepos, line);
- XBT_ERROR("Test suite `%s': NOK (syntax error)", testsuite_name);
- rctx_armageddon(rctx, 1);
- return;
- }
- break;
- }
-}
-
-/*
- * Actually doing the job
- */
-
-/* The IO of the childs are handled by the two following threads
- (one pair per child) */
-
-static void *thread_writer(void *r)
-{
- int posw;
- rctx_t rctx = (rctx_t) r;
- for (posw = 0; posw < rctx->input->used && !rctx->brokenpipe;) {
- int got;
- XBT_DEBUG("Still %d chars to write", rctx->input->used - posw);
- got =
- write(rctx->child_to, rctx->input->data + posw,
- rctx->input->used - posw);
- if (got > 0)
- posw += got;
- if (got < 0) {
- if (errno == EPIPE) {
- rctx->brokenpipe = 1;
- } else if (errno != EINTR && errno != EAGAIN && errno != EPIPE) {
- perror("Error while writing input to child");
- XBT_ERROR("Test suite `%s': NOK (system error)", testsuite_name);
- rctx_armageddon(rctx, 4);
- return NULL;
- }
- }
- XBT_DEBUG("written %d chars so far", posw);
-
- if (got <= 0){
- struct timespec ts;
- ts.tv_sec = 0;
- ts.tv_nsec = (100e-6 - floor(100e-6)) * 1e9;
- nanosleep (&ts, NULL);
- }
- }
- rctx->input->data[0] = '\0';
- rctx->input->used = 0;
- close(rctx->child_to);
-
- return NULL;
-}
-
-static void *thread_reader(void *r)
-{
- rctx_t rctx = (rctx_t) r;
- char *buffout = malloc(4096);
- int posr, got_pid;
-
- do {
- posr = read(rctx->child_from, buffout, 4095);
- if (posr < 0 && errno != EINTR && errno != EAGAIN) {
- perror("Error while reading output of child");
- XBT_ERROR("Test suite `%s': NOK (system error)", testsuite_name);
- rctx_armageddon(rctx, 4);
- return NULL;
- }
- if (posr > 0) {
- buffout[posr] = '\0';
- xbt_strbuff_append(rctx->output_got, buffout);
- } else {
- struct timespec ts;
- ts.tv_sec = 0;
- ts.tv_nsec = (100e-6 - floor(100e-6)) * 1e9;
- nanosleep (&ts, NULL);
- }
- } while (!rctx->timeout && posr != 0);
- free(buffout);
-
- /* let this thread wait for the child so that the main thread can detect the timeout without blocking on the wait */
- got_pid = waitpid(rctx->pid, &rctx->status, 0);
- if (got_pid != rctx->pid) {
- perror(bprintf
- ("(%s) Cannot wait for the child %s (got pid %d where pid %d were expected;status=%d)",
- xbt_thread_self_name(), rctx->cmd, (int) got_pid,
- (int) rctx->pid, rctx->status));
- XBT_ERROR("Test suite `%s': NOK (system error)", testsuite_name);
- rctx_armageddon(rctx, 4);
- return NULL;
- }
-
- rctx->reader_done = 1;
- return NULL;
-}
-
-/* Special command: mkfile is a built-in creating a file with the input data as content */
-static void rctx_mkfile(void)
-{
- char *filename = xbt_strdup(rctx->cmd + strlen("mkfile "));
- FILE *OUT;
- int err;
- xbt_str_trim(filename, NULL);
- OUT = fopen(filename, "w");
- if (!OUT) {
- THROWF(system_error, errno, "%s: Cannot create file %s: %s",
- rctx->filepos, filename, strerror(errno));
- }
- err = (fprintf(OUT, "%s", rctx->input->data) < 0);
- err = (fclose(OUT) == -1) || err;
- if (err) {
- THROWF(system_error, errno, "%s: Cannot write file %s: %s",
- rctx->filepos, filename, strerror(errno));
- }
- free(filename);
-}
-
-/* function to be called from the child to start the actual process */
-static void start_command(rctx_t rctx)
-{
- xbt_dynar_t cmd;
- char *binary_name = NULL;
- unsigned int it;
- char *str;
- char **args;
- int errcode;
-
- if (!strncmp(rctx->cmd, "mkfile ", strlen("mkfile "))) {
- rctx_mkfile();
- /* Valgrind detects memory leaks here.
- * To correct those leaks, we must free objects allocated in main() or in
- * handle_suite(), but we have no more reference to them at this point.
- * A quick and dirty hack to make valgrind happy it to uncomment the
- * following line.
- */
- /* execlp("true", "true", (const char *)0); */
- exit(0); /* end the working child */
- }
-
- cmd = xbt_str_split_quoted(rctx->cmd);
- xbt_dynar_get_cpy(cmd, 0, &binary_name);
- args = xbt_new(char *, xbt_dynar_length(cmd) + 1);
- xbt_dynar_foreach(cmd, it, str) {
- args[it] = xbt_strdup(str);
- }
- args[it] = NULL;
- xbt_dynar_free_container(&cmd);
-
- /* To search for the right executable path when not trivial */
- struct stat stat_buf;
-
- /* build the command line */
- if (stat(binary_name, &stat_buf)) {
- /* Damn. binary not in current dir. We'll have to dig the PATH to find it */
- int i;
-
- for (i = 0; environ[i]; i++) {
- if (!strncmp("PATH=", environ[i], 5)) {
- xbt_dynar_t path = xbt_str_split(environ[i] + 5, ":");
-
- xbt_dynar_foreach(path, it, str) {
- free(binary_name);
- binary_name = bprintf("%s/%s", str, args[0]);
- if (!stat(binary_name, &stat_buf)) {
- /* Found. */
- XBT_DEBUG("Looked in the PATH for the binary. Found %s",
- binary_name);
- xbt_dynar_free(&path);
- break;
- }
- }
- xbt_dynar_free(&path);
- if (stat(binary_name, &stat_buf)) {
- /* not found */
- printf("TESH_ERROR Command %s not found\n", args[0]);
- exit(127);
- }
- break;
- }
- }
- } else {
- binary_name = xbt_strdup(args[0]);
- }
-
- errcode = execve(binary_name, args, rctx->env);
- printf("TESH_ERROR %s: Cannot start %s: %s\n", rctx->filepos, rctx->cmd,
- strerror(errcode));
- exit(127);
-}
-
-/* Start a new child, plug the pipes as expected and fire up the
- helping threads. Is also waits for the child to end if this is a
- foreground job, or fire up a thread to wait otherwise. */
-void rctx_start(void)
-{
- int child_in[2];
- int child_out[2];
-
- XBT_DEBUG("Cmd before rewriting %s", rctx->cmd);
- char *newcmd = xbt_str_varsubst(rctx->cmd, env);
- free(rctx->cmd);
- rctx->cmd = newcmd;
- XBT_VERB("Start %s %s", rctx->cmd,
- (rctx->is_background ? "(background job)" : ""));
- xbt_os_mutex_acquire(armageddon_mutex);
- if (armageddon_initiator) {
- XBT_VERB("Armageddon in progress. Do not start job.");
- xbt_os_mutex_release(armageddon_mutex);
- return;
- }
- if (pipe(child_in) || pipe(child_out)) {
- perror("Cannot open the pipes");
- XBT_ERROR("Test suite `%s': NOK (system error)", testsuite_name);
- xbt_os_mutex_release(armageddon_mutex);
- rctx_armageddon(rctx, 4);
- }
-
- rctx->pid = fork();
- if (rctx->pid < 0) {
- perror("Cannot fork the command");
- XBT_ERROR("Test suite `%s': NOK (system error)", testsuite_name);
- xbt_os_mutex_release(armageddon_mutex);
- rctx_armageddon(rctx, 4);
- return;
- }
-
- if (rctx->pid) { /* father */
- close(child_in[0]);
- rctx->child_to = child_in[1];
-
- close(child_out[1]);
- rctx->child_from = child_out[0];
-
- if (timeout_value > 0)
- rctx->end_time = time(NULL) + timeout_value;
- else
- rctx->end_time = -1;
-
- rctx->reader_done = 0;
- rctx->reader =
- xbt_os_thread_create("reader", thread_reader, (void *) rctx, NULL);
- rctx->writer =
- xbt_os_thread_create("writer", thread_writer, (void *) rctx, NULL);
-
- } else { /* child */
- close(child_in[1]);
- dup2(child_in[0], 0);
- close(child_in[0]);
-
- close(child_out[0]);
- dup2(child_out[1], 1);
- dup2(child_out[1], 2);
- close(child_out[1]);
-
- start_command(rctx);
- }
-
- rctx->is_stoppable = 1;
-
- if (!rctx->is_background) {
- fg_job = 1;
- xbt_os_mutex_release(armageddon_mutex);
- rctx_wait(rctx);
- fg_job = 0;
- } else {
- /* Damn. Copy the rctx and launch a thread to handle it */
- rctx_t old = rctx;
- xbt_os_thread_t runner;
-
- rctx = rctx_new();
- XBT_DEBUG("RCTX: new bg=%p, new fg=%p", old, rctx);
-
- XBT_DEBUG("Launch a thread to wait for %s %d", old->cmd, old->pid);
- runner = xbt_os_thread_create(old->cmd, rctx_wait, (void *) old, NULL);
- old->runner = runner;
- XBT_VERB("Launched thread %p to wait for %s %d", runner, old->cmd,
- old->pid);
- xbt_dynar_push(bg_jobs, &old);
- xbt_os_mutex_release(armageddon_mutex);
- }
-}
-
-/* Helper function to sort the output */
-static int cmpstringp(const void *p1, const void *p2) {
- /* Sort only using the sort_len first chars
- * If they are the same, then, sort using pointer address
- * (be stable wrt output of each process)
- */
- const char **s1 = *(const char***)p1;
- const char **s2 = *(const char***)p2;
-
- XBT_DEBUG("Compare strings '%s' and '%s'", *s1, *s2);
-
- int res = strncmp(*s1, *s2, sort_len);
- if (res == 0)
- res = s1 > s2 ? 1 : (s1 < s2 ? -1 : 0);
- return res;
-}
-
-static void stable_sort(xbt_dynar_t a)
-{
- unsigned long len = xbt_dynar_length(a);
- void **b = xbt_new(void*, len);
- unsigned long i;
- for (i = 0 ; i < len ; i++) /* fill the array b with pointers to strings */
- b[i] = xbt_dynar_get_ptr(a, i);
- qsort(b, len, sizeof *b, cmpstringp); /* sort it */
- for (i = 0 ; i < len ; i++) /* dereference the pointers to get the strings */
- b[i] = *(char**)b[i];
- for (i = 0 ; i < len ; i++) /* put everything in place */
- xbt_dynar_set_as(a, i, char*, b[i]);
- xbt_free(b);
-}
-
-/* Waits for the child to end (or to timeout), and check its
- ending conditions. This is launched from rctx_start but either in main
- thread (for foreground jobs) or in a separate one for background jobs.
- That explains the prototype, forced by xbt_os_thread_create. */
-
-void *rctx_wait(void *r)
-{
- rctx_t rctx = (rctx_t) r;
- int errcode = 0;
- int now = time(NULL);
-
- rctx_dump(rctx, "wait");
-
- if (!rctx->is_stoppable)
- THROWF(unknown_error, 0, "Cmd '%s' not started yet. Cannot wait it",
- rctx->cmd);
-
- /* Wait for the child to die or the timeout to happen (or an armageddon to happen) */
- while (!rctx->reader_done
- && (rctx->end_time < 0 || rctx->end_time >= now)) {
- struct timespec ts;
- ts.tv_sec = 0;
- ts.tv_nsec = (100e-6 - floor(100e-6)) * 1e9;
- nanosleep (&ts, NULL);
- now = time(NULL);
- }
-
- xbt_os_mutex_acquire(rctx->interruption);
- if (!rctx->interrupted && rctx->end_time > 0 && rctx->end_time < now) {
- XBT_INFO("<%s> timeouted. Kill the process.", rctx->filepos);
- rctx->timeout = 1;
- kill(rctx->pid, SIGTERM);
- struct timespec ts;
- ts.tv_sec = 0;
- ts.tv_nsec = (100e-6 - floor(100e-6)) * 1e9;
- nanosleep (&ts, NULL);
- kill(rctx->pid, SIGKILL);
- }
-
- /* Make sure helper threads die.
- Cannot block since they wait for the child we just killed
- if not already dead. */
- xbt_os_thread_join(rctx->writer, NULL);
- xbt_os_thread_join(rctx->reader, NULL);
-
- /* xbt_os_mutex_release(rctx->interruption);
- if (rctx->interrupted)
- return NULL;
- xbt_os_mutex_acquire(rctx->interruption); */
-
- { // Sorting output got
- xbt_dynar_t a = xbt_str_split(rctx->output_got->data, "\n");
- xbt_dynar_t b = xbt_dynar_new(sizeof(char *), NULL);
- unsigned cpt;
- char *str;
- xbt_dynar_foreach(a, cpt, str) {
- if (strncmp(str, "TESH_ERROR ", (sizeof "TESH_ERROR ") - 1) == 0) {
- XBT_CRITICAL("%s", str);
- errcode = 1;
- } else if (coverage &&
- strncmp(str, "profiling:", (sizeof "profiling:") - 1) == 0) {
- XBT_DEBUG("Remove line [%u]: '%s'", cpt, str);
- } else {
- xbt_dynar_push_as(b, char *, str);
- }
- }
-
- if (rctx->output_sort) {
- stable_sort(b);
- /* If empty lines moved in first position, remove them */
- while (!xbt_dynar_is_empty(b) && *xbt_dynar_getfirst_as(b, char*) == '\0')
- xbt_dynar_shift(b, NULL);
- }
-
- if (rctx->output_sort || xbt_dynar_length(b) != xbt_dynar_length(a)) {
- char *newbuf = xbt_str_join(b, "\n");
- strcpy(rctx->output_got->data, newbuf);
- rctx->output_got->used = strlen(newbuf);
- xbt_free(newbuf);
- }
-
- xbt_dynar_free(&b);
- xbt_dynar_free(&a);
- }
-
- if (rctx->output_sort) { // Sorting output wanted
- char *newbuf;
- xbt_dynar_t a = xbt_str_split(rctx->output_wanted->data, "\n");
-
- stable_sort(a);
- /* If empty lines moved in first position, remove them */
- while (!xbt_dynar_is_empty(a) && *xbt_dynar_getfirst_as(a, char*) == '\0')
- xbt_dynar_shift(a, NULL);
-
- newbuf = xbt_str_join(a, "\n");
- strcpy(rctx->output_wanted->data, newbuf);
- rctx->output_wanted->used = strlen(newbuf);
- xbt_free(newbuf);
-
- xbt_dynar_free(&a);
- }
- xbt_strbuff_chomp(rctx->output_got);
- xbt_strbuff_chomp(rctx->output_wanted);
-
- /* Check for broken pipe */
- if (rctx->brokenpipe)
- XBT_VERB
- ("Warning: Child did not consume all its input (I got broken pipe)");
-
- /* Check for timeouts */
- if (rctx->timeout) {
- if (rctx->output_got->data[0])
- XBT_INFO("<%s> Output on timeout:\n%s",
- rctx->filepos, rctx->output_got->data);
- else
- XBT_INFO("<%s> No output before timeout", rctx->filepos);
- XBT_ERROR("Test suite `%s': NOK (<%s> timeout after %d sec)",
- testsuite_name, rctx->filepos, timeout_value);
- XBT_DEBUG("<%s> Interrupted = %d", rctx->filepos, (int)rctx->interrupted);
- if (!rctx->interrupted) {
- xbt_os_mutex_release(rctx->interruption);
- rctx_armageddon(rctx, 3);
- return NULL;
- }
- }
-
- XBT_DEBUG("RCTX=%p (pid=%d)", rctx, rctx->pid);
- XBT_DEBUG("Status(%s|%d)=%d", rctx->cmd, rctx->pid, rctx->status);
-
- if (!rctx->interrupted) {
- if (WIFSIGNALED(rctx->status) && !rctx->expected_signal) {
- XBT_ERROR("Test suite `%s': NOK (<%s> got signal %s)",
- testsuite_name, rctx->filepos,
- signal_name(WTERMSIG(rctx->status), NULL));
- errcode = WTERMSIG(rctx->status) + 4;
- }
-
- if (WIFSIGNALED(rctx->status) && rctx->expected_signal &&
- strcmp(signal_name(WTERMSIG(rctx->status), rctx->expected_signal),
- rctx->expected_signal)) {
- XBT_ERROR("Test suite `%s': NOK (%s got signal %s instead of %s)",
- testsuite_name, rctx->filepos,
- signal_name(WTERMSIG(rctx->status), rctx->expected_signal),
- rctx->expected_signal);
- errcode = WTERMSIG(rctx->status) + 4;
- }
-
- if (!WIFSIGNALED(rctx->status) && rctx->expected_signal) {
- XBT_ERROR("Test suite `%s': NOK (child %s expected signal %s)",
- testsuite_name, rctx->filepos, rctx->expected_signal);
- errcode = 5;
- }
-
- if (WIFEXITED(rctx->status)
- && WEXITSTATUS(rctx->status) != rctx->expected_return) {
- if (rctx->expected_return)
- XBT_ERROR
- ("Test suite `%s': NOK (<%s> returned code %d instead of %d)",
- testsuite_name, rctx->filepos, WEXITSTATUS(rctx->status),
- rctx->expected_return);
- else
- XBT_ERROR("Test suite `%s': NOK (<%s> returned code %d)",
- testsuite_name, rctx->filepos, WEXITSTATUS(rctx->status));
- errcode = 40 + WEXITSTATUS(rctx->status);
-
- }
- rctx->expected_return = 0;
-
- free(rctx->expected_signal);
- rctx->expected_signal = NULL;
- }
-
- if ((errcode && errcode != 1) || rctx->interrupted) {
- /* checking output, and matching */
- xbt_dynar_t a = xbt_str_split(rctx->output_got->data, "\n");
- char *out = xbt_str_join(a, "\n||");
- xbt_dynar_free(&a);
- XBT_INFO("Output of <%s> so far:\n||%s", rctx->filepos, out);
- free(out);
- } else if (rctx->output == e_output_check
- && (rctx->output_got->used != rctx->output_wanted->used
- || strcmp(rctx->output_got->data,
- rctx->output_wanted->data))) {
- if (XBT_LOG_ISENABLED(tesh, xbt_log_priority_info)) {
- char *diff =
- xbt_str_diff(rctx->output_wanted->data, rctx->output_got->data);
- XBT_ERROR("Output of <%s> mismatch:\n%s", rctx->filepos, diff);
- free(diff);
- }
- XBT_ERROR("Test suite `%s': NOK (<%s> output mismatch)",
- testsuite_name, rctx->filepos);
-
- errcode = 2;
- } else if (rctx->output == e_output_ignore) {
- XBT_INFO("(ignoring the output of <%s> as requested)", rctx->filepos);
- } else if (rctx->output == e_output_display) {
- xbt_dynar_t a = xbt_str_split(rctx->output_got->data, "\n");
- char *out = xbt_str_join(a, "\n||");
- xbt_dynar_free(&a);
- XBT_INFO("Here is the (ignored) command output:\n||%s", out);
- free(out);
- }
-
- if (!rctx->is_background) {
- xbt_os_mutex_acquire(armageddon_mutex);
- /* Don't touch rctx if armageddon is in progress. */
- if (!armageddon_initiator)
- rctx_empty(rctx);
- xbt_os_mutex_release(armageddon_mutex);
- }
- if (errcode) {
- if (!rctx->interrupted) {
- xbt_os_mutex_release(rctx->interruption);
- rctx_armageddon(rctx, errcode);
- return NULL;
- }
- }
-
- xbt_os_mutex_release(rctx->interruption);
- return NULL;
-}
