#include <sys/types.h>
#include <sys/wait.h>
+#include <sys/stat.h>
+#include <unistd.h>
XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(tesh);
rctx_t armageddon_initiator = NULL;
xbt_os_mutex_t armageddon_mutex = NULL;
-/*
+/*
* Module management
*/
-static void kill_it(void*r) {
+static void kill_it(void*r) {
rctx_t rctx = *(rctx_t*)r;
- VERB1("Join thread %p which were running a background cmd",rctx->runner);
+ VERB2("Join thread %p which were running background cmd <%s>",rctx->runner,rctx->filepos);
xbt_os_thread_join(rctx->runner,NULL);
rctx_free(rctx);
}
void rctx_init(void) {
- bg_jobs = xbt_dynar_new(sizeof(rctx_t),kill_it);
+ bg_jobs = xbt_dynar_new_sync(sizeof(rctx_t),kill_it);
armageddon_mutex = xbt_os_mutex_init();
armageddon_initiator = NULL;
}
void rctx_exit(void) {
- if (bg_jobs)
+ if (bg_jobs) {
+ /* Do not use xbt_dynar_free or it will lock the dynar, preventing armageddon from working */
+ while (xbt_dynar_length(bg_jobs)) {
+ rctx_t rctx;
+ xbt_dynar_pop(bg_jobs,&rctx);
+ kill_it(&rctx);
+ }
xbt_dynar_free(&bg_jobs);
+ }
xbt_os_mutex_destroy(armageddon_mutex);
}
void rctx_wait_bg(void) {
- xbt_dynar_free(&bg_jobs);
- bg_jobs = xbt_dynar_new(sizeof(rctx_t),kill_it);
+ if (bg_jobs) {
+ /* Do not use xbt_dynar_free or it will lock the dynar, preventing armageddon from working */
+ while (xbt_dynar_length(bg_jobs)) {
+ rctx_t rctx;
+ xbt_dynar_pop(bg_jobs,&rctx);
+ kill_it(&rctx);
+ }
+ xbt_dynar_free(&bg_jobs);
+ }
+ bg_jobs = xbt_dynar_new_sync(sizeof(rctx_t),kill_it);
}
void rctx_armageddon(rctx_t initiator, int exitcode) {
rctx_t rctx;
- int cpt;
- xbt_os_mutex_lock(armageddon_mutex);
+ DEBUG2("Armageddon request by <%s> (exit=%d)",initiator->filepos,exitcode);
+ xbt_os_mutex_acquire(armageddon_mutex);
if (armageddon_initiator != NULL) {
VERB0("Armageddon already started. Let it go");
+ xbt_os_mutex_release(initiator->interruption);
+ xbt_os_mutex_release(armageddon_mutex);
return;
}
+ DEBUG1("Armageddon request by <%s> got the lock. Let's go amok",initiator->filepos);
armageddon_initiator = initiator;
- xbt_os_mutex_unlock(armageddon_mutex);
-
+ xbt_os_mutex_release(armageddon_mutex);
/* Kill any background commands */
- xbt_dynar_foreach(bg_jobs,cpt,rctx) {
+ while (xbt_dynar_length(bg_jobs)) {
+ xbt_dynar_pop(bg_jobs,&rctx);
if (rctx != initiator) {
- xbt_os_mutex_lock(rctx->interruption);
- rctx->interrupted = 1;
INFO2("Kill <%s> because <%s> failed",rctx->filepos,initiator->filepos);
+ xbt_os_mutex_acquire(rctx->interruption);
+ rctx->interrupted = 1;
+ xbt_os_mutex_release(rctx->interruption);
if (!rctx->reader_done) {
kill(rctx->pid,SIGTERM);
usleep(100);
- kill(rctx->pid,SIGKILL);
+ kill(rctx->pid,SIGKILL);
}
- xbt_os_mutex_unlock(rctx->interruption);
}
}
- /* Remove myself from the tasks */
- if (xbt_dynar_member(bg_jobs, &initiator)) {
- int mypos = xbt_dynar_search(bg_jobs, &initiator);
- rctx_t myself;
- xbt_dynar_remove_at(bg_jobs,mypos,&myself);
- // rctx_free(myself);
- }
-
- /* Cleanup the place */
- // xbt_dynar_free(&bg_jobs);
-
+ VERB0("Shut everything down!");
exit(exitcode);
}
* Memory management
*/
+# ifdef __APPLE__
+/* under darwin, the environment gets added to the process at startup time. So, it's not defined at library link time, forcing us to extra tricks */
+# include <crt_externs.h>
+# define environ (*_NSGetEnviron())
+# else
+ /* the environment, as specified by the opengroup, used to initialize the process properties */
+ extern char **environ;
+# endif
+
void rctx_empty(rctx_t rc) {
+ int i;
+ char **env_it=environ;
+
if (rc->cmd)
free(rc->cmd);
rc->cmd = NULL;
if (rc->filepos)
free(rc->filepos);
+ if (rc->env)
+ free(rc->env);
+
+ for (i=0;*env_it;i++,env_it++);
+ i++;
+ rc->env_size = i;
+ rc->env = malloc(i*sizeof(char*));
+ memcpy(rc->env,environ,i*sizeof(char*));
+
rc->filepos = NULL;
rc->is_empty = 1;
rc->is_background = 0;
rc->brokenpipe = 0;
rc->timeout = 0;
rc->interrupted = 0;
- buff_empty(rc->input);
- buff_empty(rc->output_wanted);
- buff_empty(rc->output_got);
+ 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=buff_new();
- res->output_wanted=buff_new();
- res->output_got=buff_new();
+ res->input=xbt_strbuff_new();
+ res->output_wanted=xbt_strbuff_new();
+ res->output_got=xbt_strbuff_new();
res->interruption = xbt_os_mutex_init();
rctx_empty(res);
return res;
free(rctx->cmd);
if (rctx->filepos)
free(rctx->filepos);
+ if (rctx->env)
+ free(rctx->env);
xbt_os_mutex_destroy(rctx->interruption);
- buff_free(rctx->input);
- buff_free(rctx->output_got);
- buff_free(rctx->output_wanted);
+ xbt_strbuff_free(rctx->input);
+ xbt_strbuff_free(rctx->output_got);
+ xbt_strbuff_free(rctx->output_wanted);
free(rctx);
}
*/
void rctx_pushline(const char* filepos, char kind, char *line) {
-
+
switch (kind) {
case '$':
case '&':
filepos,rctx->cmd);
ERROR1("Test suite `%s': NOK (syntax error)",testsuite_name);
rctx_armageddon(rctx,1);
+ return;
}
rctx_start();
VERB1("[%s] More than one command in this chunk of lines",filepos);
rctx->is_background = 1;
else
rctx->is_background = 0;
-
+
rctx->cmd = xbt_strdup(line);
rctx->filepos = xbt_strdup(filepos);
INFO3("[%s] %s%s",filepos,rctx->cmd,
((rctx->is_background)?" (background command)":""));
break;
-
+
case '<':
rctx->is_empty = 0;
- buff_append(rctx->input,line);
- buff_append(rctx->input,"\n");
+ xbt_strbuff_append(rctx->input,line);
+ xbt_strbuff_append(rctx->input,"\n");
break;
case '>':
rctx->is_empty = 0;
- buff_append(rctx->output_wanted,line);
- buff_append(rctx->output_wanted,"\n");
+ xbt_strbuff_append(rctx->output_wanted,line);
+ xbt_strbuff_append(rctx->output_wanted,"\n");
break;
case '!':
} else if (!strncmp(line,"expect signal ",strlen("expect signal "))) {
rctx->expected_signal = strdup(line + strlen("expect signal "));
xbt_str_trim(rctx->expected_signal," \n");
- VERB2("[%s] (next command must raise signal %s)",
+ VERB2("[%s] (next command must raise signal %s)",
filepos, rctx->expected_signal);
} else if (!strncmp(line,"expect return ",strlen("expect return "))) {
} else if (!strncmp(line,"output ignore",strlen("output ignore"))) {
rctx->output = e_output_ignore;
VERB1("[%s] (ignore output of next command)", filepos);
-
+
} else if (!strncmp(line,"output display",strlen("output display"))) {
rctx->output = e_output_display;
VERB1("[%s] (ignore output of next command)", filepos);
-
+
+ } else if (!strncmp(line,"setenv ",strlen("setenv "))) {
+ rctx->env = realloc(rctx->env,++(rctx->env_size)*sizeof(char*));
+ rctx->env[rctx->env_size-2] = xbt_strdup(line+strlen("setenv "));
+ rctx->env[rctx->env_size-1] = NULL;
+ VERB1("[%s] (ignore output of next command)", filepos);
+
} else {
ERROR2("%s: Malformed metacommand: %s",filepos,line);
ERROR1("Test suite `%s': NOK (syntax error)",testsuite_name);
rctx_armageddon(rctx,1);
+ return;
}
break;
}
}
-/*
+/*
* Actually doing the job
*/
perror("Error while writing input to child");
ERROR1("Test suite `%s': NOK (system error)",testsuite_name);
rctx_armageddon(rctx,4);
+ return NULL;
}
}
DEBUG1("written %d chars so far",posw);
perror("Error while reading output of child");
ERROR1("Test suite `%s': NOK (system error)", testsuite_name);
rctx_armageddon(rctx,4);
+ return NULL;
}
if (posr>0) {
buffout[posr]='\0';
- buff_append(rctx->output_got,buffout);
+ xbt_strbuff_append(rctx->output_got,buffout);
} else {
usleep(100);
}
perror(bprintf("Cannot wait for the child %s",rctx->cmd));
ERROR1("Test suite `%s': NOK (system error)", testsuite_name);
rctx_armageddon(rctx,4);
+ return NULL;
}
-
+
rctx->reader_done = 1;
return NULL;
-}
+}
-/* 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
+/* 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) {
perror("Cannot fork the command");
ERROR1("Test suite `%s': NOK (system error)", testsuite_name);
rctx_armageddon(rctx,4);
+ return;
}
if (rctx->pid) { /* father */
if (timeout_value > 0)
rctx->end_time = time(NULL) + timeout_value;
- else
+ else
rctx->end_time = -1;
rctx->reader_done = 0;
- rctx->reader = xbt_os_thread_create(thread_reader,(void*)rctx);
- rctx->writer = xbt_os_thread_create(thread_writer,(void*)rctx);
+ rctx->reader = xbt_os_thread_create("reader",thread_reader,(void*)rctx);
+ rctx->writer = xbt_os_thread_create("writer",thread_writer,(void*)rctx);
} else { /* child */
dup2(child_out[1],2);
close(child_out[1]);
- execlp ("/bin/sh", "sh", "-c", rctx->cmd, NULL);
+ xbt_dynar_t cmd = xbt_str_split_quoted(rctx->cmd);
+ char *file;
+ unsigned int it;
+ char *str;
+ char *long_cmd=xbt_strdup("");
+ xbt_dynar_get_cpy(cmd,0,&file);
+ char **args = xbt_new(char*,xbt_dynar_length(cmd)+1);
+ xbt_dynar_foreach(cmd,it,str) {
+ args[it] = xbt_strdup(str);
+ long_cmd = bprintf("%s %s",long_cmd,str);
+ }
+ args[it] = NULL;
+
+ /* To search for the right executable path when not trivial */
+ struct stat stat_buf;
+ char *binary_name = NULL;
+
+ /* build the command line */
+ if (stat(file, &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) {
+ if (binary_name)
+ free(binary_name);
+ binary_name = bprintf("%s/%s", str, file);
+ if (!stat(binary_name, &stat_buf)) {
+ /* Found. */
+ DEBUG1("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 */
+ ERROR1("Command %s not found",file);
+ return;
+ }
+ break;
+ }
+ }
+ } else {
+ binary_name = xbt_strdup(file);
+ }
+
+
+ DEBUG2("execve %s %s env",binary_name,long_cmd);
+ execve(binary_name, args, rctx->env);
}
rctx->is_stoppable = 1;
DEBUG2("RCTX: new bg=%p, new fg=%p",old,rctx);
DEBUG2("Launch a thread to wait for %s %d",old->cmd,old->pid);
- runner = xbt_os_thread_create(rctx_wait,(void*)old);
+ runner = xbt_os_thread_create(old->cmd,rctx_wait,(void*)old);
old->runner = runner;
VERB3("Launched thread %p to wait for %s %d",
runner,old->cmd, old->pid);
}
}
-/* Waits for the child to end (or to timeout), and check its
+/* 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.
+ 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)
+ if (!rctx->is_stoppable)
THROW1(unknown_error,0,"Cmd '%s' not started yet. Cannot wait it",
rctx->cmd);
usleep(100);
now = time(NULL);
}
-
- xbt_os_mutex_lock(rctx->interruption);
- if (!rctx->interrupted && rctx->end_time > 0 && rctx->end_time < now) {
+ xbt_os_mutex_acquire(rctx->interruption);
+ if (!rctx->interrupted && rctx->end_time > 0 && rctx->end_time < now) {
INFO1("<%s> timeouted. Kill the process.",rctx->filepos);
rctx->timeout = 1;
kill(rctx->pid,SIGTERM);
usleep(100);
- kill(rctx->pid,SIGKILL);
+ kill(rctx->pid,SIGKILL);
rctx->reader_done = 1;
}
-
+
/* 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_unlock(rctx->interruption);
+ /* xbt_os_mutex_release(rctx->interruption);
if (rctx->interrupted)
return NULL;
- xbt_os_mutex_lock(rctx->interruption);*/
-
- buff_chomp(rctx->output_got);
- buff_chomp(rctx->output_wanted);
- buff_trim(rctx->output_got);
- buff_trim(rctx->output_wanted);
+ xbt_os_mutex_acquire(rctx->interruption);*/
+
+ xbt_strbuff_chomp(rctx->output_got);
+ xbt_strbuff_chomp(rctx->output_wanted);
+ xbt_strbuff_trim(rctx->output_got);
+ xbt_strbuff_trim(rctx->output_wanted);
/* Check for broken pipe */
if (rctx->brokenpipe)
else
INFO1("<%s> No output before timeout",
rctx->filepos);
- ERROR3("Test suite `%s': NOK (<%s> timeout after %d sec)",
+ ERROR3("Test suite `%s': NOK (<%s> timeout after %d sec)",
testsuite_name,rctx->filepos,timeout_value);
- if (!rctx->interrupted)
+ DEBUG2("<%s> Interrupted = %d", rctx->filepos, rctx->interrupted);
+ if (!rctx->interrupted) {
rctx_armageddon(rctx, 3);
+ return NULL;
+ }
}
-
+
DEBUG2("RCTX=%p (pid=%d)",rctx,rctx->pid);
DEBUG3("Status(%s|%d)=%d",rctx->cmd,rctx->pid,rctx->status);
if (!rctx->interrupted) {
if (WIFSIGNALED(rctx->status) && !rctx->expected_signal) {
- ERROR3("Test suite `%s': NOK (<%s> got signal %s)",
+ ERROR3("Test suite `%s': NOK (<%s> got signal %s)",
testsuite_name, rctx->filepos,
signal_name(WTERMSIG(rctx->status),NULL));
- errcode = WTERMSIG(rctx->status)+4;
+ errcode = WTERMSIG(rctx->status)+4;
}
-
+
if (WIFSIGNALED(rctx->status) && rctx->expected_signal &&
strcmp(signal_name(WTERMSIG(rctx->status),rctx->expected_signal),
rctx->expected_signal)) {
- ERROR4("Test suite `%s': NOK (%s got signal %s instead of %s)",
+ ERROR4("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;
+ errcode = WTERMSIG(rctx->status)+4;
}
-
+
if (!WIFSIGNALED(rctx->status) && rctx->expected_signal) {
- ERROR3("Test suite `%s': NOK (child %s expected signal %s)",
+ ERROR3("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)
+ if (rctx->expected_return)
ERROR4("Test suite `%s': NOK (<%s> returned code %d instead of %d)",
testsuite_name, rctx->filepos,
WEXITSTATUS(rctx->status), rctx->expected_return);
ERROR3("Test suite `%s': NOK (<%s> returned code %d)",
testsuite_name, rctx->filepos, WEXITSTATUS(rctx->status));
errcode = 40+WEXITSTATUS(rctx->status);
-
+
}
rctx->expected_return = 0;
-
+
if(rctx->expected_signal){
free(rctx->expected_signal);
rctx->expected_signal = NULL;
&& ( 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);
+ char *diff= xbt_str_diff(rctx->output_wanted->data,rctx->output_got->data);
ERROR2("Output of <%s> mismatch:\n%s",rctx->filepos,diff);
free(diff);
- }
- ERROR2("Test suite `%s': NOK (<%s> output mismatch)",
+ }
+ ERROR2("Test suite `%s': NOK (<%s> output mismatch)",
testsuite_name,rctx->filepos);
-
+
errcode=2;
} else if (rctx->output == e_output_ignore) {
INFO1("(ignoring the output of <%s> as requested)",rctx->filepos);
char *out = xbt_str_join(a,"\n||");
xbt_dynar_free(&a);
INFO2("Output of <%s> so far: \n||%s",rctx->filepos,out);
- free(out);
+ free(out);
}
if (!rctx->is_background) {
rctx_empty(rctx);
}
if (errcode) {
- if (!rctx->interrupted)
+ if (!rctx->interrupted) {
rctx_armageddon(rctx, errcode);
+ return NULL;
+ }
}
- xbt_os_mutex_unlock(rctx->interruption);
+ xbt_os_mutex_release(rctx->interruption);
return NULL;
}